REGION: 10

BASIN:  Upper Gunnison River Basin	Desig	Classifications	NUMERIC STANDARDS	TEMPORARY
MODIFICATIONS
AND
QUALIFIERS	
			PHYSICAL
and
BIOLOGICAL	INORGANIC
mg/l	METALS
ug/l		
Stream Segment Description							

1.	All tributaries to the Gunnison River, including lakes, reservoirs, and wetlands, within the LaGarita and Powderhorn Wilderness Areas.	
OW	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.02
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

2.	All tributaries to the Gunnison River, including lakes, reservoirs, and wetlands, within the West Elk, Collegiate Peaks, Maroon Bells, Raggeds, and Fossil Ridge Wilderness Areas.	
OW	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O. = 6.0 mg/l
D.O. (sp)=7.0 mg/l
pH = 6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.02
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

3.	All tributaries to the Gunnison River, including lakes, reservoirs, and wetlands, within the Uncompahgre Wilderness Area.	
OW	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O. = 6.0 mg/l
D.O. (sp)=7.0 mg/l
pH = 6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

4.	Mainstem of the Taylor River, including all tributaries, lakes, reservoirs (including Taylor Park Reservoir), and wetlands, from the source to the confluence with the Gunnison River except for those in Segment 2.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

5.	Mainstem of the East River, including all tributaries, lakes, reservoirs, and wetlands, from its sources to a point immediately above the confluence with the Gunnison River, except for Segments 2, 6a and 6b.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

6a.	All tributaries to East River from a point immediately above its confluence with the Slate River to its confluence with the Gunnison except for those in Segment 6b.		
Aq Life Cold 2
Recreation U
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B(ch)=0.75
NO2=0.5
NO3(ac)=100
	
As(ac)= 340
As(ch)= 100(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

 6b.	Cement Creek and all its tributaries and all lakes, reservoirs, and wetlands in the East River Drainage tributary to Segment 6a.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

7.	Mainstem of the Slate River from its source to a point immediately above the confluence with Coal Creek.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

8.	Mainstem of the Slate River from a point immediately above the confluence with Coal Creek to the confluence with the East River.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10 Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)
	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	
Temporary Modification:
Cd(ch)=0.4
Expiration date of 12/31/2011.	

9.	All tributaries, including lakes, reservoirs, and wetlands, to the Slate River except for specific listings in Segments 2, 10, 11, 12 and 13.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS

10.	Mainstem of Oh-Be-Joyful Creek from the boundary of the Raggeds Wilderness Area to the confluence with Slate River.  All tributaries, including lakes and reservoirs, and wetlands within the Redwell Basin tributary to Oh Be Joyful Creek.	

Aq Life Cold 1
Recreation E
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100	
As(ac)=340
As(ch)=7.6(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac)/(ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac)=TVS
Pb(ch)=8
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)/(ch)=TVS		

11.	Mainstem of Coal Creek from a point immediately above the confluence with Elk Creek to a point immediately below the Crested Butte Water Supply intake which is above the confluence with the Mount Emmons/Red Lady Basin drainage; and Elk Creek and its tributaries and wetlands from its source to its confluence with Coal Creek.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
CrIII(ac)=50(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS
Fe(ch)=WS(dis)	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)/(ch)=TVS		

12.	Mainstem of Coal Creek, including all tributaries and wetlands from a point immediately below the Crested Butte Water Supply intake which is above the confluence with the Mount Emmons/Red Lady Basin drainage to the confluence with the Slate River, with the exception of Wildcat Creek.	
	
Aq Life Cold 1
Recreation E
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100	
As(ac)=340
As(ch)=7.6(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS
Se(ac/ch)=TVS	
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)/(ch)=TVS	
Temporary Modifications:
Cd(ch)=2.3
Zn(ch)= 518
Expiration date of 12/31/2011.	

13a.	Mainstem of Woods Creek from the source to the Town of Mount Crested Butte eastern boundary.	
		
Aq Life Cold 2
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	
Fish Ingestion	

13b.	Mainstem of Woods Creek from the eastern boundary to the confluence with Washington Gulch.	
		
Aq Life Cold 2
Recreation P
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=205/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	
Fish Ingestion	

14.	Mainstem of the Gunnison River from the confluence of the East and Taylor rivers to the inlet of Blue Mesa Reservoir.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

15.	All tributaries including lakes, reservoirs and wetlands to the Gunnison River from the confluence of the East and Taylor Rivers to the inlet of Blue Mesa Reservoir except for the specific listings in Segments 2, 16 thru 24, and 26.	

Aq Life Cold 2
Recreation U
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005
	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02-10(Trec)
Cd(ac/ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1600(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 	
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac/ch)=TVS
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

16.	Mainstem of Ohio Creek, including all tributaries, lakes,  reservoirs, and wetlands, from the sources to the confluence with the Gunnison River with the exception of Segment 2.	
	
Aq Life Cold 1
Recreation U
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)  
Hg(ch)=0.01(tot)
	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	
Temporay Modification:
Zn(ch)= 11.9
Expiration date 12/31/2011.	

17.	Mainstem of Antelope Creek, including all tributaries, lakes, reservoirs, and wetlands, from the source to the confluence with the Gunnison River.	

Aq Life Cold  1
Recreation U
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

18.	Mainstem of Tomichi Creek  and its wetlands from the source to the confluence with the Gunnison River.	
	
Aq Life Cold 1
Recreation U
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
	
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS
Se (ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

19.	All tributaries to Tomichi Creek, including all lakes,  reservoirs, and wetlands, which are on Gunnison National Forest lands, except for specific listings in Segment 21 thru 24.  Mainstems of Barret, Hot Springs, Razor and Quartz Creeks from sources to confluences with Tomichi Creek.	
	
Aq Life Cold 1
Recreation U
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

20.	Mainstem of Indian Creek, including all tributaries, from the source to the confluence with Marshall Creek.	
	
Aq Life Cold 1
Recreation E
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100	
As(ac)=340
As(ch)=7.6(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
U(ac)=TVS
U(ch)=2000
Zn(ac/ch)=TVS	

21.	Mainstem of Marshall Creek, including all tributaries, lakes,  reservoirs, and wetlands, from the source to the confluence with Tomichi Creek, except for specific listings in Segment 20.	
	
Aq Life Cold 1
Recreation U
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

22.	Mainstem of Gold Creek from Browns Gulch to confluence with Quartz Creek.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

23.	Mainstem of Cochetopa Creek, including all tributaries, lakes (including Dome Lakes), reservoirs, and wetlands, from the source to a point immediately below the confluence with West Pass Creek with the exception of Segment 1.	
	
Aq Life Cold 1
Recreation U
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)= 50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

24.	Mainstem of Cochetopa Creek from a point immediately below the confluence with West Pass Creek to the confluence with Tomichi Creek.	
	
Aq Life Cold 1
Recreation U
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)
	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

25.	Blue Mesa, Morrow Point and Crystal Reservoirs and those segments of the Gunnison River which inter-connect those reservoirs.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

26.	All tributaries, from the source,  to those waters described in segment 25 including all lakes, reservoirs (including Silver Jack Reservoir), and wetlands, which are on Gunnison and Uncompahgre National Forest lands or which flow into or are present within Curecanti National Recreation Area with the exception of Segments 1,2,3,14 and 29 through 32.	
	
Aq Life Cold 1
Recreation U
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)
	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

27.	Deleted.										

28.	Deleted.										

29a.	Mainstem of the Lake Fork of the Gunnison including all tributaries, lakes, reservoirs, and wetlands, from the source to Blue Mesa Reservoir, except for the specific listing in Segments 1, 3, 29b, 30, 31 and 32.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01)(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

29b.	Lake San Cristobal		
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01)(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS		

30.	Mainstem of Henson Creek, including all tributaries and wetlands, from the source to the confluence with the Lake Fork of the Gunnison, except for the specific listing in Segments 31 and 32.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ch)=50(Trec)
CrVI (ac/ch)=TVS
Cu (ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000 (Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se (ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)		

31.	Mainstem of Palmetto Gulch Creek including all tributaries.	

UP	
Aq Life Cold 2
Recreation E
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100	
As(ac)=340
As(ch)=100(Trec)
Cd(ac/(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS	
Cu(ac/ch)=TVS
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se (ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS
Zn(ac/ch)=TVS		

32.	North Fork of Henson Creek including all tributaries, lakes, reservoirs and wetlands, from its source to the confluence with Henson Creek, except for specific listings in Segment 3.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se (ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)		

REGION: 10

BASIN: North Fork of the Gunnison River	Desig	Classifications	NUMERIC STANDARDS	TEMPORARY
MODIFICATIONS
AND
QUALIFIERS	
			PHYSICAL
and
BIOLOGICAL	INORGANIC
mg/l	METALS
ug/l		
Stream Segment Description							

1.	All tributaries to North Fork of the Gunnison River including all lakes, reservoirs, and wetlands within the West Elk and Raggeds Wilderness Areas.	OW	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

2.	Mainstem of North Fork of the Gunnison River from the confluence of Muddy Creek and Coal Creek to the Black Bridge (41.75 Drive) above Paonia.		
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

3.	Mainstem of North Fork of the Gunnison River from the Black Bridge (41.75 Drive) above Paonia to the confluence with the Gunnison River.	
	
Aq Life Cold 1
Agriculture
Oct. 1 to March 31
Recreation N
April 1 to Sept. 30
Recreation E
	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
Oct. 1 to March 31
E.Coli=630/100ml

April 1 to Sept. 30
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100	
As(ac)=340
As(ch)=7.6(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS
Se(ac/ch)=TVS	
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	
Temporary Modification:
Se(ch)=5.7 Expiration date 12/31/2011.	

4.	All tributaries to the North Fork of the Gunnison River  including all lakes, reservoirs, and wetlands from the source of Muddy Creek to a point immediately below the confluence with Coal Creek; all tributaries to the North Fork of the Gunnison including all lakes, reservoirs, and wetlands,  including the Grand Mesa Lakes which are on national forest lands, except for the specific listing in Segments 1 and 7.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml
	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

5.	Mainstems of Hubbard Creek, Terror Creek, Minnesota Creek, and Leroux Creek from their boundary with national forest land to their confluences with the North Fork of the Gunnison River; mainstem of Jay Creek from its source to its confluence with the North Fork of the Gunnison River; mainstem of Roatcap Creek including all tributaries, wetlands, lakes and reservoirs, from its source to its confluence with the North Fork of the Gunnison.	
	
Aq Life Cold 1
Recreation P
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=205/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	
Temporary Modification: Se(ch)=existing ambient quality
Expiration date of  12/31/2011.	

6a. 	All tributaries to the North Fork of the Gunnison River including all lakes, reservoirs, and wetlands which are not on national forest lands, except for the specific listings in Segments 4, 5, 6b and 7.	

	UP	
Aq Life Warm 2
Recreation P
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=205/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3(ac)=10
Cl(ch)=250
	
As(ac)=340
As(ch)=100(Trec)
Cd(ac/ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS`	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS
Zn(ac/ch)=TVS		
6b. 	Mainstem and all tributaries to Bear Creek, Reynolds Creek, Bell Creek, McDonald Creek, Cottonwood Creek, Love Gulch, Cow Creek, Dever Creek, German Creek, Miller Creek, Stevens Gulch, Big Gulch, Stingley Gulch and Alum Gulch including lakes, reservoirs, and wetlands which are not on national forest lands from their source to the North Fork of the Gunnison River.

	UP	
Aq Life Warm 2
Recreation P
Water Supply
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0E.Coli=205/100ml	
NH3(ac/ch)=TVSCl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3(ac)=10
Cl(ch)=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac/ch)=TVSCrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS`	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS
Zn(ac/ch)=TVS	
Temporary Modifications:
Fe(ch)(Trec)=existing ambient quality
Se(ch)=existing ambient quality
Expiration date of 12/31/2011.
Water+Fish Standards	

7.	Paonia Reservoir.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS
	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

REGION: 10

BASIN: Uncompahgre River	Desig	Classifications	NUMERIC STANDARDS	TEMPORARY
MODIFICATIONS
AND
QUALIFIERS	
			PHYSICAL
and
BIOLOGICAL	INORGANIC
mg/l	METALS
ug/l		
Stream Segment Description							

1.	All tributaries to the Uncompahgre River, including all wetlands, lakes and reservoirs, which are within the Mt. Sneffels and  Uncompahgre Wilderness Areas.	

OW	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ch)=50 
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

2.	Mainstem of the Uncompahgre River from the source at Como Lake (Poughkeepsie Gulch) to a point immediately above the confluence with Red Mountain Creek.	
	
Aq Life Cold 1
Recreation N
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=630/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ch)=50 (Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	
	
3a.	Mainstem of the Uncompahgre River from a point immediately above the confluence with Red Mountain Creek to the Highway 90 bridge at Montrose.	

Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS	
Cu(ac/ch)=TVS
Fe(ch)=WS(dis)
Fe(ch)=1500(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	
Temporary Modifications:
Cd(ch)=1.1
Fe(Trec)=1673
Expiration date of 12/31/2011.	
3b.	Ridgway Reservoir	

Aq Life Cold 1
Recreation E
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100
	
As(ac)=340
As(ch)=7.6(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS	
Cu(ac/ch)=TVS
Fe(ch)=1500(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS		

4a.	Mainstem of the Uncompahgre River from the Highway 90 bridge at Montrose to La Salle Road.	

UP	
Aq Life Warm 2
Recreation E
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.5
NO3=100
	
As(ac)=340
As(ch)=100(Trec)
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=2250(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS
Zn(ac/ch)=TVS	
Temporary Modifications.
NH3(ac/ch)=
TVS(old)
 Expiration. date of  12/31/2011.	

4b.	Mainstem of the Uncompahgre River from La Salle Road to Confluence Park.	

UP	
Aq Life Warm 2
Recreation N
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=630/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.5
NO3=100
	
As(ac)=340
As(ch)=100(Trec)
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=2250(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS
Zn(ac/ch)=TVS	
Temporary Modifications:
NH3(ac/ch)=
TVS(old)
Se(ch)=20
Expiration date of 12/31/2011.	

4c.	Mainstem of the Uncompahgre River from Confluence Park to the confluence with the Gunnison River.	

UP	
Aq Life Warm 2
Recreation E
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.5 NO3=100
	
As(ac)=340
As(ch)=100(Trec)
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=2250(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS
Zn(ac/ch)=TVS	
Temporary Modification: Se(ac/ch)=20.
Expiration date of 12/31/2011.	

5.	All tributaries to the Uncompahgre River, including all wetlands, lakes and reservoirs, from the source to a point immediately below the confluence with Dexter Creek, except for specific listings in Segments 1 and 6 thru 9.	

UP	
Aq Life Cold 2
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02-10(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

6a.	Mainstem of Red Mountain Creek from the source to immediately above the confluence with the East Fork of Red Mountain Creek.	
	
Aq Life Cold 2
Recreation N
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=630/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100
	
As(ac)=340
As(ch)=150
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac/ch)=TVS
Zn(ac)=TVS
Zn(ch)=TVS(sc)		

6b.	Mainstem of Red Mountain Creek from immediately above the confluence with the East Fork of Red Mountain Creek to the confluence with the Uncompahgre River.  All tributaries to Red Mountain Creek  within Corkscrew and Champion basins.	
UP	
Recreation N
Agriculture	
D.O. = 3.0 mg/l
pH = ambient
E.Coli=630/100ml	

7.	Mainstem of Gray Copper Gulch from the source to the confluence with Red Mountain Creek.	

Aq Life Cold 2
Recreation N
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=630/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02-10(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=2450(Trec)
Pb(ac/ch)=TVS
Mn(ch)=655
Mn(ac/ch)=TVS 
Hg(ch)=0.01(Tot)
	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS

8.	Mainstem of Mineral Creek from the source to the confluence with the Uncompahgre River.	

Aq Life Cold 2
Recreation N
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=630/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02-10(Trec)
Cd(ch)=0.4
CrIII(ac/ch)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ch)=5	
Fe(ch)=WS(dis)
Fe(ch)=1000 (Trec)
Pb(ch)=4
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Ni(ac/ch)=TVS	
Hg(ch)=0.01(Tot)
Ni(ch)=50
Se(ac/ch)=10
Ag(ch)=0.1
Zn(ch)=50	

9 	Mainstem of Canyon Creek from its inception at the confluence of Imogene and Sneffles Creek to the confluence with the Uncompahgre River.  Mainstem of Imogene Creek from its source to its confluence with Canyon Creek.  Mainstem and all tributaries of Sneffels Creek from a point 1.5 miles above to its confluence with Canyon Creek.	
	
Aq Life Cold 2
Recreation P
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=205/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05 NO3=100
	
As(ac)=340
As(ch)=7.6(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000 (Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	
Fish Ingestion	

10.	All tributaries to the Uncompahgre River, including all wetlands, lakes and reservoirs, from a point immediately below the confluence with Dexter Creek to the South Canal near Uncompahgre, except for specific listings in Segments 1 and 11.	

Aq Life Cold 2
Water Supply
Agriculture
Nov. 1 to April 30
Recreation N
May 1 to Oct. 31
Recreation P	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
Nov. 1 to April 30
E.Coli=630/100ml

May 1 to Oct.. 31
E.Coli=205/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000 (Trec)
Pb(ac/ch)=TVS
Mn(ch)=WS(dis)
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	
Water + Fish Standards	

11.	Mainstem of Coal Creek from the source to the Park Ditch, mainstem of Dallas Creek from the source of the East and West Forks to the confluence with the Uncompahgre River; mainstem of Cow Creek, including all tributaries, lakes and reservoirs, from the  Uncompahgre Wilderness Area boundary to the confluence with the Uncompahgre River; Billy Creek; Onion Creek and Beaton Creek from their source to their confluences with Uncompahgre River; mainstem of Beaver Creek from source to the confluence with East Fork of Dallas Creek; and mainstem of Pleasant Valley Creek from the source to the confluence with Dallas Creek.	

Aq Life Cold 1
Water Supply
Agriculture
Nov. 1 to April 30
Recreation N
May 1 to Oct. 31
Recreation P
	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
Nov. 1 to April 30
E.Coli=630/100ml

May 1 to Oct.. 31
E.Coli=205/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1030(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01 (Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS		

12.	All tributaries to the Uncompahgre River, including all wetlands, lakes and reservoirs, from the South Canal near Uncompahgre to the confluence with the Gunnison River, except for specific listings in Segments 13, 14,  15a and 15b.	

	UP	
Aq Life Warm 2
Recreation N
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=630/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05 NO3=100
	
As(ac)=340
As(ch)=100(Trec)
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1200 (Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac/ch)=TVS
Zn(ac/ch)=TVS	
Temporary modification:
Se(ch)=existing ambient quality.
Expiration date of 12/31/2011.	

13.	Mainstem of East Fork Dry Creek, Pryor Creek and West Fork Dry Creek from their sources to their confluence; mainstem of Spring Creek, West Fork Spring Creek and Middle Spring Creek from the source to Popular Road at the mouth of Spring Canyon, and mainstem of Mexican Gulch from the source to the Section line dividing Section 19 and 30, T49N, R9W.	

Aq Life Cold  1
Recreation E
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100.0	
As(ac)=340
As(ch)=7.6(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS
Se(ac/ch)=TVS	
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

14.	Sweitzer Lake.	
	
Aq Life Warm 1
Recreation E
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.5
NO3=100
	
As(ac)=340
As(ch)=7.6(Trec)
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS 	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS
Zn(ac/ch)=TVS	

15a.	Mainstem of Happy Canyon from West Canal to the confluence with the Uncompahgre River; mainstem of Horsefly Creek from the confluence with Wildcat Canyon to the confluence with the Uncompahgre River. 	

UP	
Aq Life Warm 2
Recreation N
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=630/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.5 
NO3=100
	
As(ac)=340
As(ch)=100(Trec)
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS
Zn(ac/ch)=TVS	

15b.	Mainstem of Dry Creek from the confluence of the East and West Forks to immediately above the  confluence with Coalbank Canyon Creek.	

UP	
Aq Life Warm 2
Recreation E
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.5
NO3=100
	
As(ac)=340
As(ch)=100(Trec)
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS
Zn(ac/ch)=TVS	

REGION: 10

BASIN: Lower Gunnison River	Desig	Classifications	NUMERIC STANDARDS	TEMPORARY
MODIFICATIONS
AND
QUALIFIERS	
			PHYSICAL
and
BIOLOGICAL	INORGANIC
mg/l	METALS
ug/l		
Stream Segment Description							

1.	Mainstem of the Gunnison River from the outlet of Crystal Reservoir to a point immediately above the confluence with the Uncompahgre River.		
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

2.	Mainstem of the Gunnison River from a point immediately above the confluence with the Uncompahgre River to the confluence with the Colorado River.	
	
Aq Life  Warm 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=480	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 	
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	
Temporary Modification:
NH3(ac/ch)=
TVS(old)
Se(ch)=8.4
Expiration date of 12/31/2011.	

3.	All tributaries to the Gunnison River, including all wetlands, lakes and reservoirs, which are on national forest lands, from the outlet of Crystal Reservoir to the confluence with the Colorado River, except for specific listings in the North Fork Gunnison River, Uncompahgre River sub-basins, and segments 10 and 11.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.4-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

4a.	All tributaries to the Gunnison River, including all wetlands which are not on national forest lands, from the outlet of Crystal Reservoir to the confluence with the Colorado River, except for specific listings in the North Fork and Uncompahgre River subbasins and in Segments 3, 4b, 4c, 5  through 10, 12 and 13.	

UP	
Aq Life Warm 2
Recreation N
Water Supply
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=630/100ml

NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.5
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02-10(Trec)
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ch)=WS(dis)
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS
Zn(ac/ch)=TVS	
Temporary Modifications:
NH3(ac/ch)=
TVS(old)
Se(ch)=existing ambient quality.
Expiration date of 12/31/2011.	

4b.	All lakes and reservoirs that are tributary to the Gunnison River and not on national forest lands from the outlet of Crystal Reservoir to the confluence with the Colorado River, including all tributaries to Reeder, Hollenbeck, and Juniata Reservoirs, except for specific listings in the North Fork and Uncompahgre River subbasins and in segments 9 and 13.  Kannah Creek below the point of diversion for public water supply.	

UP
	
Aq Life Warm 2
Recreation E
Water Supply
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml

NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.5
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02-10(Trec)
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ch)=WS(dis)
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS
Zn(ac/ch)=TVS	
Temporary Modification:
Se(ch)=existing ambient quality. Expiration date of 12/31/2011.	

4c..	Mainstem of Red Rock Creek from the boundary of Black Canyon of the Gunnison National Park to the confluence of the Gunnison River.	

UP	
Aq Life Warm 2
Recreation E
Water Supply
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=630/100ml

NH3(ac/ch)=TVSCl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.5
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02-10(Trec)
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ch)=WS(dis)
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS
Zn(ac/ch)=TVS	

5.	Mainstem of Roubideau Creek from the boundary of national forest lands to the confluence with Potter Creek; mainstem of Monitor Creek from the boundary of national forest lands to the confluence with Potter Creek; mainstem of North Fork Escalante Creek from the boundary of national forest lands to the confluence with Escalante Creek.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
U(ac) = TVS
U(ch) = 30
Zn(ac/ch)=TVS	

6.	Mainstem of Roubideau Creek from Potter Creek to the Gunnison River; mainstem of Escalante Creek from the boundary of national forest lands to the Gunnison River; mainstem of Little Dominguez from the boundary of national forest lands to Big  Dominguez Creek; mainstem of Big  Dominguez from boundary of national forest lands to the Gunnison River, mainstem East Creek from the source to Gunnison River.	

Aq Life Cold 1
Recreation E
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml
	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100	
As(ac)=340
As(ch)=7.6(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS	
Cu(ac/ch)=TVS
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
U(ac)/(ch) = TVS
Zn(ac/ch)=TVS	

7.	Mainstem of Surface Creek from the point of diversion of water supply to confluence with Tongue Creek; including mainstem of Ward Creek, from the boundary of national forest lands to the confluence with Tongue Creek; mainstem of Tongue Creek from the source to the confluence with the Gunnison River; mainstem of Youngs Creek from the boundary of national forest lands to the confluence with Kiser Creek; mainstem of Kiser Creek from the boundary of national forest lands to the confluence with Youngs Creek.	

Aq Life Cold 2
Recreation P
Agriculture	
D.O. = 6.0 mg/l
S.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=205/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250	
As(ac)=340
As(ch)=7.6(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	
Fish Ingestion
Temporary modifications:
Se(ch)= 9.3
Fe(ch)(Trec)= 2650
Expiration date of 12/31/2011.

8.	Mainstem of Surface Creek and Kannah Creek, including all tributaries, from the boundary of national forest lands to the point of diversion for public water supply; Fruita Water Supply Reservoirs I and II.	

Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)=0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Mn(ch)=1000	
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

9.	Fruitgrowers Reservoir.	

UP	Aq Life Warm 2
Agriculture
April 1 to Oct. 31
Recreation E
Nov. 1 to March 31 Recreation N	
D.O.=5.0 mg/l
pH=6.5-9.0
April 1 to Oct. 31
E.Coli=126/100ml
Nov. 1 to March 31
E.Coli=630/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100
	
As(ac)=340
As(ch)=100(Trec)
Cd(ac/ch)=TVS
CrIII(ch)=100(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS 
Fe(ch)=WS(dis)	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS
Zn(ac/ch)=TVS	

10.	Mainstem of the Smith Fork from the confluence of the North Smith Fork and South Smith Fork to the confluence with the Gunnison River.	
	
Aq Life Cold 1
Recreation E
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100	
As(ac)=340
As(ch)=7.6(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS
Se(ac/ch)=TVS	
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS

11a.	All tributaries to the Smith Fork, including all wetlands, lakes and reservoirs, which are on national forest lands except for specific listings in Segment 11b; Doug Creek from the source to the confluence with Muddy Creek.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)= 0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(Tot)
	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

11b.	All tributaries to the Smith Fork, including all wetlands, lakes and reservoirs, which are within the West Elk Wilderness Area.	

OW	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)= 0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(Tot)
	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

12.	All tributaries to the Smith Fork, including all wetlands, lakes and reservoirs, which are not on national forest lands, except for the specific listing in Segment 11a.	
UP	
Aq Life Warm 2
Recreation P
Agriculture	
D.O. = 5.0 mg/l
pH=6.5-9.0
E.Coli=205/100ml	
CN(ac)=0.2
NO2(ac)=10
NO3(ac)=100	
B(ch)=0.75	
As(ch)=100(Trec)
Be(ch)=100(Trec)
Cd(ch)=10(Trec)
CrIII(ch)=100(Trec)	
CrVI(ch)=100(Trec)
Cu(ch)=200(Trec)
Pb(ch)=100(Trec)
Mn(ch)=200(Trec)	
Ni(ch)=200(Trec)
Se(ch)=20(Trec)
Zn(ch)=2000(Trec)	

13.	Crawford Reservoir.	
	
Aq Life Cold 1
Recreation E
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100	
As(ac)=340
As(ch)=7.6(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(Tot)
Ni(ac/ch)=TVS
Se(ac/ch)=TVS	
Ag(ac)=TVS
Ag(ch)=TVS(tr) Zn(ac/ch)=TVS

REGION: 10

BASIN: San Miguel River	Desig	Classifications	NUMERIC STANDARDS	TEMPORARY
MODIFICATIONS
AND
QUALIFIERS	
			PHYSICAL
and
BIOLOGICAL	INORGANIC
mg/l	METALS
ug/l		
Stream Segment Description							

1.	All tributaries, lakes, reservoirs, and wetlands to the San Miguel River within the boundaries of the Lizard Head, and Mount Sneffels Wilderness Areas.	
OW	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)= 0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	

2.	All tributaries including all lakes (including Trout Lake), reservoirs, and wetlands to the San Miguel River from its sources to a point immediately below the confluence of Leopard Creek with the exceptions listed in Segments 1, 6a, 6b, 7a, 7b and 8.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)= 0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac)=TVS
Zn(ch)=TVS(sc)	
Temporary Modification:
Cd(ch) = 0.6 Expiration Date 12/31/2011.	
3a.	Mainstem of San Miguel River from the confluence of Bridal Veil and Ingram Creeks to a point immediately above the confluence of Marshall Creek.	
	
Aq Life Cold 1
Recreation E
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100	
As(ac)=340
As(ch)= 7.6(Trec)
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Zn(ch)=190		

3b.	Mainstem of the San Miguel River from a point immediately above the confluence of Marshall Creek to a point immediately above the confluence of South Fork San Miguel River.	
	
Aq Life Cold 1
Recreation E
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05 NO3=100	
As(ac)=340
As(ch)= 7.6(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ch)=190	
Temporary Modifications:
Cd(ch) = 0.7
Zn(ch)= 198
Expiration date of 12/31/2011.	

4a.	Mainstem of the San Miguel River from a point immediately above the confluence of the South Fork of the San Miguel to a point immediately below the CC ditch. 	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)= 0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS		

4b.	Mainstem of the San Miguel River from a point immediately below the CC dich to a point immediately below the confluence of Naturita Creek.	
	
Aq Life Cold 2
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)= 0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	
Water+Fish Standards
Temporary Modification: 
Temperature below the Tri-State mixing zone 26.3°C MWAT June-Sept.	

5.	Mainstem of San Miguel River from a point immediately below the confluence of Naturita Creek to its confluence with the Dolores River.	
	
Aq Life Warm 1
Recreation E
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.5
NO3=100	
As(ac)=340
As(ch)= 7.6(Trec)
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac/ch)=TVS
U(ac/ch)=TVS
Zn(ac/ch)=TVS	
Temporary Modification:
NH3(ac/ch)=
TVS(old)
Expiration date of 12/31/2011.	

6a.	Mainstem of Ingram Creek including all tributaries, lakes, reservoirs, and wetlands from source to confluence with San Miguel River.	
	
Aq Life Cold 2
Recreation E Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100	
As(ac)=340
As(ch)= 150
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac/ch)=TVS
Zn(ac/ch)=TVS		

6b.	Mainstem of Marshall Creek including all tributaries, lakes, reservoirs, and wetlands from source to confluence with San Miguel River.	
	
Aq Life Cold 2
Recreation E Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100	
As(ac)=340
As(ch)= 150
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS 
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac/ch)=TVS
Zn(ch)=190

7a.	Mainstem of Howard Fork and all tributaries, lakes, reservoirs, and wetlands from immediately below the confluence of Swamp Gulch to its confluence with the South Fork of the San Miguel, except for Segment 7b.	
	Aq Life Cold 1
Recreation E
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=100	
As(ac)=340
As(ch)= 7.6(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS
Se(ac/ch)=TVS	
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

7b.	Waterfall Creek, including all tributaries, lakes, reservoirs, and wetlands from its source to its confluence with the Howard Fork.		
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS
	
As(ac)=340
As(ch)= 0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS		

8.	Mainstem of South Fork of San Miguel River from the confluence of the Howard and Lake Forks to its confluence with the San Miguel River.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)= 0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=80
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	
	
9.	All tributaries to the San Miguel River, including all lakes, reservoirs, and wetlands from a point immediately below the confluence of Leopard Creek to the Dolores River that are within the boundaries of the Uncompahgre National Forest.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)= 0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis) 
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

10.	Mainstem of Naturita Creek from the Uncompahgre National Forest boundary to its confluence with the San Miguel River, and Gurley Reservoir;  Tabeguache Creek from its source to the confluence with San Miguel River.	
	
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)= 0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ch)=75 
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

11.	West Fork of Naturita Creek including all tributaries, lakes, reservoirs, and wetlands, and Miramonte Reservoir from its source to the Uncompahgre National Forest Boundary below Miramonte Reservoir and the mainstem of Beaver, Horsefly and Saltado Creeks from the Uncompahgre National Forest boundary to their confluence with the San Miguel River.	
	
Aq Life Cold 1
Recreation E
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250	
As(ac)=340
As(ch)= 7.6(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS
Se(ac/ch)=TVS	
Ag(ac)=TVS
Ag(ch)=TVS(tr)
Zn(ac/ch)=TVS	

12.	All tributaries, lakes, reservoirs, and wetlands to the San Miguel River from a point immediately below the confluence of Leopard Creek to the Dolores River with the exceptions listed in Segments 9, 10 and 11.	

Aq Life Cold 2
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)= 0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
U(ac/)=TVS
U(ch)=30
Zn(ac/ch)=TVS	
Water + Fish Standards	

REGION: 10

BASIN: Lower Dolores River	Desig	Classifications	NUMERIC STANDARDS	TEMPORARY
MODIFICATIONS
AND
QUALIFIERS	
			PHYSICAL
and
BIOLOGICAL	INORGANIC
mg/l	METALS
ug/l		
Stream Segment Description							

1.	Mainstem of the Dolores River from the bridge at Bradfield Ranch (Forest Route 505, near Montezuma/Dolores County Line) to the Little Gypsum Valley Bridge at the San Miguel/Montrose County Line.		
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)= 0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
U(ac)=TVS
U(ch)=30
Zn(ac/ch)=TVS		

2.	Mainstem of the Dolores River from the Little Gypsum Valley Bridge at the San Miguel/Montrose County line, to the Colorado/Utah border.		
Aq Life Warm 1
Recreation E
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.5
NO3=100	
As(ac)=340
As(ch)= 7.6(Trec)
Cd(ac/ch)=TVS
CrIII(ac)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)= 1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS
Ag(ac)=TVS
Ag(ch)=TVS
U(ac/ch)=TVS
Zn(ac/ch)=TVS	Temporary Modification:
NH3(ac/ch)=TVS(old) expiration date of 12/31/2011.	

3a.	All tributaries to the Dolores River, including all lakes,  reservoirs and wetlands, from the bridge at Bradfield Ranch (Forest Route 505, near Montezuma/Dolores County Line) to the Colorado/Utah border, except for specific listings in Segments 3b, 4 and  5.	UP	
Aq Life Warm 2
Recreation E
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
CN(ac)=0.2
NO2(ac)=10
NO3(ac)=100	
B(ch)=0.75
	
As(ch)= 100(Trec)
Be(ch)=100(Trec)
Cd(ch)=10(Trec)
CrIII(ch)=100(Trec)	
CrVI(ch)=100(Trec)
Cu(ch)=200(Trec)
Pb(ch)=100(Trec)
Mn(ch)=200(Trec)	
Ni(ch)=200(Trec)
Se (ch)=20(Trec)
Zn(ch)=2000(Trec)		

3b.	Mainstem and all tributaries to Salt Creek, including all lakes, reservoirs and wetlands form the source within the Sinbad Valley to the confluence with the Dolores River.	UP	Aq Life Warm 2
Recreation E
Agriculture
	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B(ch)=0.75
NO2=0.5
NO3=100	
As(ac)=340
As(ch)= 100(Trec)
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS CrVI(ac/ch)=TVS	
Cu(ac/ch)=TVS
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS	
Se(ac)=23.4
Se(ch)=21.4
Ag(ac)/(ch)=TVS
U(ac/ch)=TVS
Zn(ac)=1420
Zn(ch)=908		

4.	Mainstem of West Paradox Creek from the source to the confluence with the Dolores River.  Mainstem and all tributaries to Blue Creek from the source to the confluence with the Dolores River.		
Aq Life Warm 2
Recreation E
Agriculture	
D.O.=5.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.5
NO3=100	
As(ac)=340
As(ch)= 100(Trec)
Cd(ac/ch)=TVS
CrIII(ac/ch)=TVS
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Hg(ch)=0.01(tot)
Ni(ac/ch)=TVS	
Se(ac/ch)=TVS Ag(ac)=TVS
Ag(ch)=TVS
U(ac/ch)=TVS
Zn(ac/ch)=TVS		

5.	Mainstem of West Creek from the source to the confluence with the Dolores River; Roc Creek; La Sal Creek and Mesa Creek from their sources to their confluences with Dolores River.		
Aq Life Cold 1
Recreation E
Water Supply
Agriculture	
D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
E.Coli=126/100ml	
NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=.005	
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	
As(ac)=340
As(ch)= 0.02(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS	
Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(tot)	
Ni(ac/ch)=TVS
Se(ac/ch)=)TVS
Ag(ac)=TVS
Ag(ch)=TVS(tr)
U(ac)=TVS
U(ch)=30
Zn(ac/ch)=TVS