REGION: 3

Desig	
Classifications	
NUMERIC STANDARDS	
	TEMPORARY
	MODIFICATIONS
	AND
	QUALIFIERS	

	PHYSICAL
and
BIOLOGICAL	
INORGANIC
mg/l	`
METALS
ug/l		

Stream Segment Description							

BASIN:  Upper South Platte River	
4.	Mainstem of the North Fork of the South Platte River, including all tributaries, lakes, reservoirs and wetlands from the source to the confluence with the South Platte River, except for specific listings in Segments 1b, 5a, 5b, and 5c.	
	Aq Life Cold 1
Recreation 1a
Water Supply
Agriculture	D.O.= 6.0 mg/l
D.O.(sp)=7.0 mg/l
pH = 6.5-9.0
F.Coli-200/100ml 
E. Coli=126/100ml	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
S04=WS	As(ac)=50(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		
5b.	Mainstem of Geneva Creek from the confluence with Scott Gomer Creek to the confluence with the North Fork of the South Platte River; all tributaries of Geneva Creek including lakes, reservoirs and wetlands from source to confluence with the North Fork of the South Platte River.	
	Aq Life Cold 1
Recreation 1a
Water Supply
Agriculture	D.O. = 6.0 mg/l
D.O. (sp)=7.0 mg/l
pH = 6.5-9.0
F.Coli=200/100ml
E. Coli=126/100ml	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011	CN=0.005
S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
S04=WS	As(ac)=50(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.	Mainstem of the South Platte River from the Burlington Ditch diversion in Denver, Colorado, to a point immediately below the confluence with Big Dry Creek.	
UP	Aq Life Warm 2 
Recreation 1a
Water Supply
Agriculture	D.O.*
pH = 6.5-9.0**
F.Coli=200/100ml
E. Coli=126/100ml	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=1.0
NO3=10
Cl=250
S04=WS	As(ac)=50(Trec)
Cd(ac/ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVS*2.3
Fe(ch)=WS(dis)	Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ch)=400(dis)
Mn(ac/ch)=TVS
Hg(ac)=2.4(dis)
Hg(ch)=0.4(dis)	Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac/ch)=TVS
Zn(ac/ch)=TVS	*See attached table for site-specific Dissolved Oxygen and Ammonia standards.
**pH=6.0-9.0 from 64th Ave. downstream 2 miles.  

Temporary modifications: 

NH3(ac/ch)=TVS(old)
(Type i).  Expiration date of 12/31/2014.	
16a.	Mainstem of Sand Creek from the confluence of Murphy and Coal Creek in Arapahoe County to the confluence with the South Platte River
 	
UP	Aq Life Warm 2
Recreation 1a
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml
E. Coli=126/100ml	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5	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)=TVS
Se(ch)=TVS
Ag(ac/ch)=TVS
Zn(ac/ch)=TVS	Temporary modifications: 
Se(ch)= 19.3 g/l
Se(ac)=no acute standard. 
type iii
Expiration date of 2/28/10.

NH3(ac/ch)=TVS(old)(Type i).  Expiration date of 12/31/2011.

*Cu (ac/ch) = TVS *2.6 below the Sand Creek Water Reuse Facility outfall.	
16c.	All tributaries to the South Platte River, including all lakes, reservoirs and wetlands, from the outlet of Chatfield Reservoir, to a point immediately below the confluence with Big Dry Creek, except for specific listings in the subbasins of the South Platte River, and in Segments 16a, 16b, 16d, 16e, 16f, 16g, 17a, 17b, and 17c.	
	UP	Aq Life Warm 2
Recreation 1a
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml
E. Coli=126/100ml
	NH3(ac)=TVS
NH3(ch)=0.06
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5	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/ch)=TVS
Zn(ac/ch)=TVS	Fish Ingestion Organics

Temporary modifications:  East & West Toll Gate Creeks, Toll Gate Creek Se(ch)=18g/l(dis)
Se(ac)=no acute standard
type iii
expiration date of 2/28/10.
NH3(ac/ch)=TVS(old)(Type i) 
Expiration date of 12/31/2011.  	

BASIN:  Clear Creek	
2.	Mainstem of Clear Creek, including all tributaries, lakes, reservoirs and wetlands, from the I-70 bridge above Silver Plume to the Argo Tunnel discharge, except for specific listings in Segments 3 through 10.		Aq Life Cold 1
Recreation 1a
Water Supply
Agriculture	D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
F.Coli-=200/100ml 
E.Coli=126/100ml
	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005
	S=0.002
B=0.75
NO2=0.05 SO4=WS
NO3=10
Cl=250
	As(ac)=50(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)=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)=200	Temporary modifications:
Cu(ch)=8.1 g/l (dis), 
Mn(ch)=106 g/l (dis), 
Zn(ch)=257 g/l (dis), type iii  
Expiration date of 7/01/09.	
3a.	Mainstem of South Clear Creek, including all tributaries, lakes, reservoirs and wetlands, from the source to the confluence with Clear Creek, except for the specific listing in 3b and 19.		Aq Life Cold 1
Recreation 1a
Water Supply
Agriculture	D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml 
E.Coli=126/100ml
	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	As(ac)=50(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: Zn(ch)=100 g/l (dis).
type iii
Expiration date of 7/01/09.	
3b.	Mainstem of Leavenworth Creek from source to confluence with South Clear Creek.		Aq Life Cold 2
Recreation 1a
Water Supply
Agriculture	D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml 
E.Coli=126/100ml
	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	As(ac)=50(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 modifications:
Pb(ch)=l.7 g/l (dis);
Zn(ch)=220 g/l (dis).
type iii
Expiration date of 7/01/09.	
6.	All tributaries to West Clear Creek, including all lakes, reservoirs and wetlands, from the source to the confluence with Clear Creek, except for specific listings in Segments 7 and 8.	
		Aq Life Cold 1
Recreation 1a
Water Supply
Agriculture	D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml
E.Coli=126/100ml	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	As(ac)=50(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:
Zn(ch)=38 g/l (dis).
type iii
Expiration date of 7/01/09.	
9a.	Mainstem to the Fall River, including all tributaries, lakes, reservoirs and wetlands, from the source to the confluence with Clear Creek.	
	Aq Life Cold 1
Recreation 1a
Water Supply
Agriculture	D.O. = 6.0 mg/l
D.O. (sp)=7.0 mg/l
pH = 6.5-9.0
F.Coli=200/100ml E.Coli=126/100ml
	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	As(ac)=50(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:
Cu(ch)=11 g/l (dis), 
type iii
Expiration date of 7/01/09.	
9b. 	Mainstem of Trail Creek, including all tributaries, lakes, reservoirs, and wetlands from the source to the confluence with Clear Creek.		Aq Life Cold 1
Recreation 1a
Water Supply
Agriculture	D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
F.Coli-=200/100ml 
E.Coli=126/100ml
	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005
	S=0.002
B=0.75
NO2=0.05 SO4=WS
NO3=10
Cl=250
	As(ac)=50(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)=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)=200	Temporary modifications: Cd(ch)=4.6 g/l, Cu(ch)=148 ug/l, Pb(ch)=7.6 g/l l, Mn(ch)=548, Zn(ch)=1068 g/l., 
type iii
Expiration date of  7/01/09.	
11.	Mainstem of Clear Creek from the Argo Tunnel discharge to the Farmers Highline Canal diversion in Golden, Colorado.	
UP	Aq Life Cold 1
Recreation 1a
Water Supply
Agriculture	D.O. = 6.0 mg/l
D.O. (sp)=7.0 mg/l
pH = 6.5-9.0
F.Coli=200/100ml E.Coli=126/100ml
	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	As(ac)=50(Trec)
Cd(ac/ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ch)=17
	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(ch)=300	Temporary modification:
Zn(ch)=339 g/l (dis),
Mn(ch)=861 g/l (dis),
type iii
Expiration date of 7/01/09.	
13b.	Mainstem of North Clear Creek including all tributaries, lakes, reservoirs and wetlands from the source to the confluence with Clear Creek, except for the specific listings in segment 13a.	
UP	Aq Life Cold 2
Recreation 1a
Agriculture	D.O. = 6.0 mg/l
D.O. (sp)=7.0 mg/l
pH = 6.5-9.0
F.Coli=200/100ml E.Coli=126/100ml
	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.05
	As(ac)=100(Trec)
Cd(ac)=TVS(tr)
Cd(ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
	Cu(ch)=64
Fe(ch)=5400(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(ch)=740	Temporary modifications: 
Cd(ch)=6.0 g/l (dis),
Mn(ch)=5,293 g/l (dis),
Zn(ch)=1,864 g/l (dis), 
type iii
Expiration date of 7/01/09
	
15.  Mainstem of Clear Creek from Youngfield Street in Wheat Ridge, Colorado, to the confluence with the South Platte River.	
UP	Aq Life Warm 1
Recreation 1a
Water Supply
Agriculture	D.O.=5.0 mg/l
pH = 6.5-9.0
F.Coli=200/100ml E.Coli=126/100ml	NH3(ac)=TVS
NH3(ch)=0.06
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5
NO3=10
Cl=250
SO4=WS	As(ac)=50(Trec)
Cd(ac/ch)=TVS
CrIII(ac)=50(Trec)
CrVI(ac/ch)=TVS
Cu(ac/ch)=TVSx3.66*	Fe(ch)=WS(dis)
Fe(ch)=1000(Trec)
Pb(ac/ch)=TVS
Mn(ac/ch)=TVS
Mn(ch)=WS(dis)
Hg(ch)=0.01(Trec)	Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac/ch)=TVS
Zn(ac/ch)=TVSx1.57*	Aquatic life warm 1 goal qualifier.  

Temporary modification:
NH3(ac/ch)=TVS(old)  (Type i).
Expiration date of 12/31/2011.	

BASIN:  Big Dry Creek	
1.   Mainstem of Big Dry Creek, including all tributaries, lakes, reservoirs and wetlands, from the source to the confluence with the South Platte River, except for specific listing in Segment 2, 3, 4a, 4b, 5 and 6	
UP
	Aq Life Warm 2
Recreation 1b
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=325/100ml E.Coli=205/100ml	NH3(ac)=TVS
NH3(ch)=0.10
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=4.5	As(ac)=100(Trec)
Be(ch)=100
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
Ag(ac/ch)=TVS
Zn(ac/ch)=TVS
4/1 through 10/31:
  Se(ch) = 7.4
  Se(ac) = TVS
11/1 through3/31:
  Se(ch) = 15
  Se(ac) = 19.1	Temporary modifications:
NH3(ac/ch) = TVS(old) (Type i) Expiration date of 12/31/2011	
5.   Mainstems of North and South Walnut Creek, including all tributarie, lakes, reservoirs and wetlands, from their sources to the outlets of ponds A-4 and B-5, on Walnut Creek, and Pond C-2 on Woman Creek.  All three ponds are located on Rocky Flats property.	
UP	Aq Life Warm 2
Recreation 2
Water Supply
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=2000/100ml
E.Coli=630/100ml
	Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5
NO3=10
	As(ac)=50(Trec)
Cd(ac/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/ch)=TVS
Zn(ac/ch)=TVS
Be(ch)=4	See attached Tables 2 and 3 for additional standards and temporary modifications for seg 5.  Goal qualifier for all use classifications, expires 12/31/09. 	
*Narrative standard for Segment 2, Big Dry Creek, Standley Lake.  The trophic status of Standley Lake shall be maintained as mesotrophic as measured by a combination of common indicator parameters such as total phosphorus, chlorophyll a, secchi depth, and dissolved oxygen.  Implementation of this narrative standard shall only be by Best Management Practices and controls implemented on a voluntary basis.

BASIN:  Boulder Creek	
2.	Mainstem of Boulder Creek, including all tributaries, lakes, reservoirs and wetlands, from the boundary of the Indian Peaks Wilderness Area to a point immediately above the confluence with South Boulder Creek, except for the specific listings in Segment 3 and 12.  	
	Aq Life Cold 1
Recreation 1a
Water Supply
Agriculture	D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml 
E.Coli=126/100ml
	NH3(ac)=TVS
NH3(ch)=0.02
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	As(ac)=50(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		
7b.	Mainstem of Coal Creek from Highway 36 to the confluence with Boulder Creek.	
UP	Aq Life Warm 2
Recreation 1a
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml
E.Coli=126/100ml	NH3(ac)=TVS
NH3(ch)=0.06
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5	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/ch)=TVS
Zn(ac/ch)=TVS	Temporary modification:

NH3(ac/ch) = TVS(old) (Type i) Expiration date of 12/31/2011	
9.   Mainstem of Boulder Creek from a point immediately above the confluence with South Boulder Creek to the confluence with Coal Creek.		Aq Life Warm 1
Recreation 1a
Water Supply
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml
E.Coli=126/100ml
	NH3(ac)=TVS
NH3(ch)=0.06
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5
NO3=10
Cl=250
SO4=WS	As(ac)=50(Trec)
Cd(ac/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/ch)=TVS
Zn(ac/ch)=TVS	Temporary modification: 
type (iii)
Cu (ac/ch)=Current Condition
Expiration date of 12/31/2009.

NH3(ac/ch) = TVS(old) (Type i) Expiration date of 12/31/2011	
10.	Mainstem of Boulder Creek from the confluence with Coal Creek to the confluence with St. Vrain Creek.	
UP	Aq Life Warm 1
Recreation 1a
Water Supply
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml
E.Coli=126/100ml	NH3(ac)=TVS
NH3(ch)=0.06
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5
NO3=10
Cl=250
SO4=WS	As(ac)=50(Trec)
Cd(ac/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/ch)=TVS
Zn(ac/ch)=TVS	Temporary modification:

NH3(ac/ch) = TVS(old) (Type i) Expiration date of 12/31/2011	

BASIN:  St. Vrain Creek	
4b.	Mainstem of James Creek, including all tributaries, lakes, reservoirs and wetlands, from the source to the confluence with Left Hand Creek.	
	Aq Life Cold 1
Recreation 1a
Water Supply
Agriculture	D.O.=6.0 mg/l
D.O.(sp)=7.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml
E.Coli=126/100ml
	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	As(ac)=50(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		
6.	All tributaries to St. Vrain Creek, including lakes, reservoirs and wetlands from Hygiene Road to the confluence with the South Platte River, except for specific listings in the Boulder Creek subbasin and in segments 4a, 4b and 5.	
UP	Aq Life Warm 2
Recreation 1a
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml
E.Coli=126/100ml	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5	As(ch)=100
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
Mn(ch)=WS(dis)
Hg(ch)=0.01(Tot)	Ni(ac/ch)=TVS
Se(ac/ch)=TVS
Ag(ac/ch)=TVS
Zn(ac/ch)=TVS	Temporary modifications:
Se(ch)=6.6g/l (dis).type iii
Expiration date of 2/28/10.  

NH3(ac/ch)=TVS(old)
(Type i).  Expiration date of 12/31/2011.	

BASIN:  Middle South Platte River	
1b. 	Mainstem of the South Platte River from a point immediately below the confluence with St. Vrain Creek to the Weld/Morgan County Line.	UP	Aq Life Warm 2
Recreation 1a
Water Supply
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml
E.Coli=126/100ml
	NH3(ac)=TVS
NH3(ch)=0.10
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5
NO3=10
Cl=250
SO4=WS	As(ac)=50(Trec)
Cd(ac/ch)=TVS
CrIII(ac)=50(Trec)
CrIII(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/ch)=TVS
Zn(ac/ch)=TVS	Fish Ingestion Organics

Temporary modifications:
NH3(ac/ch)=TVS(old) (Type i).
Expiration date of 12/31/2011.	
5a. 	Mainstems of Lone Tree Creek, Crow Creek and Box Elder Creek from their sources to their confluences with the South Platte River, except for specific listings in Segment 5b.	UP	Aq Life Warm 2
Recreation 2
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=2000/100ml
E.Coli=630/100ml
	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5	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/ch)=TVS
Zn(ac/ch)=TVS		

BASIN:  Big Thompson River	
2.	Mainstem of the Big Thompson River, including all tributaries, lakes, reservoirs, and wetlands from the boundary of Rocky Mountain National Park to the Home Supply Canal diversion, except for the specific listing in Segment 7; mainstem of Black Canyon Creek and Glacier Creek below Estes Park water treatment plant.	
	Aq Life Cold 1
Recreation 1a
Water Supply
Agriculture	D.O. = 6.0 mg/l
D.O. (sp)=7.0 mg/l
pH = 6.5-9.0
F.Coli=200/100ml 
E.Coli=126/100ml	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.05
NO3=10
Cl=250
SO4=WS	As(ac)=50(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 modifications: 
D.O., E. coli, NH3, NO3, B, Cd, Cu, Pb, Hg, Ni, Se, Ag, Zn = existing quality.  Wapiti Meadow wetlands at the toe of Lake Estes Dam 
type iii 
Expiration date of 12/31/2009
	
4b.   Mainstem of the Big Thompson  from the Greeley-Loveland Canal diversion to County Road 11H.	
UP	Aq Life Warm 2
Agriculture

5/1 – 10/15
Recreation 1a

10/16 – 4/30
Recreation 2	D.O. = 5.0 mg/l
pH = 6.5-9.0

5/1 – 10/15
F.Coli=200/100ml
E.Coli=126/100ml

10/16 – 4/30
F.Coli=2000/100ml
E.Coli=630/100ml	NH3(ac/ch)=TVS
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5	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/ch)=TVS
Zn(ac/ch)=TVS	Fish Ingestion Organics

Temporary modification:
Se(ch)=5.5g/l (dis) 
type iii.
Expiration date of 2/28/10.	
5  Mainstem of The Big Thompson River from I-25 to the confluence with the South Platte River.	
UP	Aq Life Warm 2
Agriculture

5/1 – 10/15
Recreation 1b

10/16 – 4/30
Recreation 2	D.O. = 5.0 mg/l
pH = 6.5-9.0

5/1 – 10/15
F.Coli=325/100ml
E.Coli=205/100ml

10/16 – 4/30
F.Coli=2000/100ml
E.Coli=630/100ml	NH3(ac)=TVS
NH3(ch)=0.10
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5	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/ch)=TVS
Zn(ac/ch)=TVS	Temporary modification:
NH3(ac/ch)=TVS(old) (Type i).
Expiration date of 12/31/2011.	
9.	Mainstem of the Little Thompson River from the Culver Ditch diversion to the confluence with the Big Thompson River.	
UP	Aq Life Warm 2
Recreation 1a
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml
E.Coli=126/100ml	NH3(ac)=TVS
NH3(ch)=0.10
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5	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/ch)=TVS
Zn(ac/ch)=TVS	Temporary modifications:

NH3(ac/ch)=TVS(old)
(Type i).  Expiration date of 12/31/2011.	
10.	All tributaries to the Little Thompson River, including all lakes, reservoirs and wetlands, from the Culver ditch diversion to the Big Thompson River, except for specific listings in Segments 11 and 13.	
UP	Aq Life Warm 2
Recreation 1a
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=200/100mg
E.Coli=126/100ml	NH3(ac)=TVS
NH3(ch)=0.10
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5	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/ch)=TVS
Zn(ac/ch)=TVS	Temporary modification:
NH3(ac/ch)=TVS(old)
(Type i).  Expiration date of 12/31/2011.	

BASIN:  Cache La Poudre River	
11.    Mainstem of the Cache La Poudre River from Shields Street in Ft. Collins to a point immediately above the confluence with Boxelder Creek.	
UP	Aq Life Warm 2
Recreation 1a
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml
E.Coli=126/100ml	NH3(ac)=TVS
NH3(ch)=0.10
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=2.7	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/ch)=TVS
Zn(ac/ch)=TVS	Nitrite as a 30 day average.  Fish Ingestion Organics
Temporary modifications: 
type (iii)
Cu (ac/ch)=Current Condition
Expiration date of 12/31/2009.
NH3(ac/ch)=TVS(old) (Type i). Expiration date of 12/31/2011.	
12.   Mainstem of the Cache La Poudre River from a point immediately above the confluence with Boxelder Creek to the confluence with the South Platte River.	
UP	Aq Life Warm 2
Recreation 1a
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml
E.Coli=126/100ml	NH3(ac)=TVS
NH3(ch)=0.10
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=2.7	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/ch)=TVS
Zn(ac/ch)=TVS	Nitrite as a 30 day average.  

Fish Ingestion Organics

Temporary modifications: 
type (iii)
Cu (ac/ch)=Current Condition
Expiration date of 12/31/2009.

NH3(ac/ch)=TVS(old) (Type i).
Expiration date of 12/31/2011.	

BASIN:  Lower South Platte River	
1.	Mainstem of the South Platte River from the Weld/Morgan County line to the Colorado/Nebraska border.	
UP	Aq Life Warm 2
Recreation 1a
Water Supply
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml
E.Coli=126/100ml	NH3(ac)=TVS
NH3(ch)=0.10
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5
NO3=10
Cl=250
SO4=WS	As(ac)=50(Trec
Cd(ac/ch)=TVS
CrIII(ac)=50(Trec)
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/ch)=TVS
Zn(ac/ch)=TVS	Temporary modifications:

NH3(ac/ch)=TVS(old)
(Type i).  Expiration date of 12/31/2011.	
2b.	All tributaries to the South Platte River, including all lakes, reservoirs and wetlands, north of the South Platte River and below 4,500 feet in elevation in Morgan County, north of the South Platte River in Washington County, north of the South Platte River and below 4,200 feet in elevation in Logan County, north of the South Platte River and below 3,700 feet in elevation in Sedgwick County, and the mainstems of Beaver Creek, Bijou Creek and Kiowa Creek from their sources to the confluence with the South Platte River.	
UP	Aq Life Warm 2
Recreation 1a
Agriculture	D.O.=5.0 mg/l
pH=6.5-9.0
F.Coli=200/100ml
E.Coli=126/100ml
	NH3(ac)=TVS
NH3(ch)=0.06
Cl2(ac)=0.019
Cl2(ch)=0.011
CN=0.005	S=0.002
B=0.75
NO2=0.5	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/ch)=TVS
Zn(ac/ch)=TVS	Temporary modifications:
NH3(ac/ch)=TVS(old)
(Type i).  Expiration date of 12/31/2011.