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Summary of TMDL Approvals in Colorado

APPROVED POINT SOURCE TMDLs

Waterbody Name

Ryan Gulch

(Trib to Big Thompson)

COSPBT04

South Platte River

(Seg 2/

 L. S. Platte River)

COSPLS02

Dry Creek

(Seg 4/

L. Colorado River)

COLCLC04

Wetlands Trib to Roaring Fork River

COUCRF03

Leyden Creek

(Seg 18a/Clear Creek/S. Platte)

(Listed as "Barbara Gulch" on 1996 303(d) list)

COSPCL18A

Leyden Creek cont.

 

Cripple Creek*

COARUA21

CO0024562

 

South Platte River*

COSPUS06L2

Lightner Creek*

COSJAF14

 

Clear Creek*

COSPCL11

 

 

Sand Creek*

COSPUS16

South Platte

 River*

COSPUS15

 

Wetlands Trib to Roaring Fork River**

COUCRF03

West Fork of Clear Creek*

(Seg. 7)

COSPCL07

Woods Creek*

(Seg. 5)

COSPCL05

 

 

Troublesome Creek**

(Seg. 5)

COSPBE05

Bear Creek*

(Seg. 1a)

COSPBE01A

Arkansas River

(Seg. 3)

COARUA03

South Platte River

(Seg. 1/

Lower S. Platte)

COSPLS01

 

Boulder Creek*

(Seg. 9)

COSPBO09

South Platte River

(Seg. 1/Lower S. Platte)*

COSPLS01

 

Arkansas River

(Seg. 3)

COARUA03

Clear Creek*

(Seg. 1)

 COSPCL01

West Fork of Clear Creek*

(Seg. 5)

COSPCL05

Fountain Creek (Seg. 2)

COARFO02

 

Turkey Creek*

(Seg. 5)

COSPUS05

Unnamed Tributary of Coal Creek

(Seg. 15 and 16)

COSPUS16

Fish Creek*

(Seg. 13b of Yampa River)

COUCYA13B

 

Little Thompson*

(Seg. 9 of Big Thompson)

 COSPBT09

Cripple Creek* (Seg. 21 of Upper Arkansas Sub-basin of Arkansas River)

COARUA21

 

Cherry Creek* (Segment 3, Cherry Creek Sub-basin of the South Platte)

COSPCH03

Lake Fork of the Gunnison River* (Segment 30 of the Upper Gunnison River Sub-basin of the Gunnison and Lower Dolores  River Basins)

COGUUG30

 

Monument Creek

(Segment 6 of Fountain Creek Sub-basin of the Arkansas River Basin)

COARFO06 & 7

>

Clear Creek* (Seg. 15); Lena Gulch (Seg. 16); S. Boulder Diversion Conduit (Seg. 17) of Clear Creek Sub-basin

COSPCL15,16 & 17

Crystal River* (Seg. 8 or Roaring Fork)

COUCRF08

Tenmile Creek* (Seg. 13, Blue River Subbasin, Upper Colorado River Basin)

COUCBL13

Michigan River (Seg 5, of North Platte Basin)

COUCNP05

Clear Creek*, (Segment 2 of Clear Creek Sub-Basin of S. Platte River Basin)

COSPCL02

Coon Trail Creek*

(Segment 3; Boulder Creek)

COSPBO03

 

South Platte River*

(Segment 1)

 COSPLS01

Alamosa River*

(Segment 3b of Alamosa River/La Jara Creek/Conejos River sub-basin of the Rio Grande River Basin)

CORGRG03B

South Platte* (Seg. 1a, Bear Creek sub-basin)

COSPBE1A

Coal Creek (Seg.4) of L.Colorado River* (Seg. 2)

COLCLC02

Arkansas River* (Segment 1)

COARLA01

North Fork Gunnison River

(Seg. 2)

COGUNF02

and

Minnesota Creek

(Seg. 5)

COGUNF05

Trout Creek*

(Seg. 13c)

COUCYA13C

 

Eaton Draw (Segment 13)

 COSPCP13

South Platte River*

(Segment 15)

COSPUS15

Little Thompson River*

(Segment 9)

COSPBT09

Clear Creek*

(Segment 15)

COSPCL15

San Juan River*

COSJSJ06A

Oxbow Lake, Seg. 6 of St. Vrain River

COSPSV06

Dolores River*

(Segment 4)

COSJDO04

 

S. Saint Vrain Creek

(Segment 2)

COSPSV02

Boxelder Creek

Eagle River*

Eagle River*

East River

Gooseberry Gulch

Marcy Gulch / South Platte*

Middle Boulder Creek

Middle Fork of South Platte*

Muddy Creek

Slate River*

Woods Creek / Washington Gulch

Yampa River

Fountain Creek / Arkansas River

Cache La Poudre River*

North Turkey Creek

Arkansas River*

Middle Fork of the South Platte River*

TMDL Parameter/

Pollutant

Zn

TRC

ammonia

Cr III

Cr VI

Fecal Coli

TRC

Ammonia

ammonia

boron

chloride

TRC

cyanide

fecal coli

fluoride

nitrate

nitrite

sulfate

sulfide

antimony

arsenic

barium

beryllium

cadmium

chromium (tri)

chromium (hex)

copper

iron

lead

manganese

mercury

nickel

radium 226+228

selenium

silver

thallium

uranium

zinc

Mn

Cd

Cu

Pb

Zn

Hg

fecal Coli

TRC

ammonia

nitrite

As

Cd

Cr(III)

Cr(VI)

Cu

CN

Fe

Pb

Mn

Hg

Ni

Se

Ag

Zn

phosphorus

fecal coli

TRC

ammonia

ammonia

fecal coli

TRC

Cu

Pb

Hg

Ag

benzene

fecal coli

TRC

ammonia

cadmium

manganese

zinc

chromium VI

copper

iron

lead

mercury

nickel

silver

chromium III

uranium

TRC

cyanide

TRC

ammonia

arsenic

cadmium

chromium III

chromium VI

copper

iron

lead

manganese

mercury

nickel

selenium

silver

zinc

fecal coli

fecal coli

TRC

ammonia

mercury

arsenic

cadmium

chromium III

chromium VI

copper

iron

lead

manganese

mercury

nickel

selenium

silver

zinc

cyanide

fecal coli

TRC

ammonia

cyanide

mercury

nickel

selenium

silver

zinc

fecal coli

TRC

cyanide

ammonia

arsenic

cadmium

chromium III

chromium VI

copper

iron

lead

manganese

mercury

nickel

selenium

silver

zinc

manganese

fecal coli

TRC

cyanide

ammonia

mercury

nickel

selenium

silver

zinc

arsenic

cadmium

chromium III

chromium VI

copper

iron

lead

manganese

fecal coli

TRC

ammonia

cyanide

mercury

nickel

selenium

silver

zinc

arsenic

cadmium

chromium III

chromium VI

copper

iron

lead

fecal coli

TRC

ammonia

fecal coli

TRC

ammonia

Chromium (TR)

Copper (PD)

Iron(TR)

Iron (PD)

Zinc (PD)

TRC

TRC

ammonia

fecal coli

Arsenic(TR)

Cadmium(PD)

Chrom. III(TR)

Chrom.VI (Total)

Copper(PD)

Iron(TR)

Lead(PD)

Manganese(TR)

Mercury(Total)

Selenium(PD)

Zinc(PD)

Benzene

Trichloroethene

Tetrachloroethene

Naphthalene

Nitrate

Nitrite

Sulfate

Iron (TR)

TRC

ammonia

fecal coli

Cadmium

Copper

Iron

Lead

Zinc

Fecal Coliform

Total Residual Chlorine

Total Ammonia

Cyanide (WAD)

Total Mercury

Arsenic

Cadmium

Chromium (tri)

Chromium (hex)

Copper

Iron

Lead

Manganese

Nickel

Selenium

Silver

Zinc

TRC

Fecal Coliform

Total Ammonia

TRC

Ammonia

Fecal Coliform

Cyanide(WAD)

Arsenic

Cadmium

Chromium (tri)

Chromium (hex)

Copper

Iron

Lead

Manganese

Mercury

Nickel

Selenium

Silver

Zinc

TRC

TRC

ammonia

fecal coli

Ammonia

 Boron (Total)

TRC

Free Cyanide

Nitrite

Sulfide

Arsenic (PD)

Cadmium (PD)

Chromium +3 Chromium +6

Copper (PD)

Iron (TR)

Lead (PD)

Manganese (TR)

Mercury (Total)

Nickel (PD)

Selenium (PD)

Silver (PD)

Zinc (PD)

Fecal Coliform

TRC

Total Ammonia

TRC

Fecal Coliform

Total Ammonia

Cadmium (PD)

Copper (PD)

Lead (PD)

Mercury (total)

Silver (PD)

Zinc (PD)

Ammonia

Arsenic

Cadmium

Trivalent Cr

Hexavalent Cr

Lead

Manganese

Total Mercury

Nickel

Silver

Ammonia

 TRC

Fecal Col.

Iron (TR)

Fecal Col.

TRC

 Ammonia

Iron (TR)

Arsenic (TR)

Cadmium (PD)

Copper (PD)

Lead (PD)

Silver (PD)

Zinc (PD)

Iron (TR & PD)

Nickel (PD)

Selenium (TR)

Sulfate (PD)

Manganese (PD)

Mercury (T)

Fecal Coliform

Selenium (T)

MTBE

Ammonia

Fecal Coliform

TRC

Iron (TR)

Manganese (D)

TRC

Fecal Coliform

Fecal Coliform

TRC

Fecal Coliform

Ammonia

TRC

Fecal Coliform

Ammonia

Fecal Coliform

Ammonia

TRC

Fecal Coliform

Mercury

Silver

TRC

Fecal Coliform

Ammonia

TRC

Fecal Coliform

Fecal Coliform

Ammonia

Fecal Coliform

TRC

Silver

Mercury

Copper

Manganese

Ammonia

TRC

Fecal Coliform

Ammonia

TRC

Fecal Coliform

Ammonia

TRC

Fecal Coliform

Ammonia

TRC

Fecal Coliform

Ammonia

TRC

Fecal Coliform

TRC

Fecal Coliform

Ammonia

Fecal Coliform

TRC

Cyanide

Ammonia

Chromium

Copper

Silver

Zinc

Ammonia

TRC

Fecal Coliform

Fecal Coliform

TRC

Fecal Coliform

TRC

Ammonia

Section 303(d)(1) TMDL

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Section 303(d)(3)

TMDL

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Point Source

HP Company

Loveland

 CO0044300

Excel Corp.

Ft. Morgan

 CO0044270

American Atlas #1 LTD

 CO0042447

Aspen Glen W & S District

CO0044750

Public Service Co. of Colorado; Leyden Gas Storage Plant

CO0001279

Public Service Co. of Colorado; Leyden Gas Storage Plant

CO0001279

Cripple Creek & Victor Gold Mining Company

Lockheed Martin

CO0001511

Roxborough

Park

(only fecal

 coli, ammonia, TRC, P)

CO0022942

CO0041645

Joe & Cheryl Amorelli

CO0026468

City of

Idaho Springs

CO0041068

Chase Terminal Co.

CO0043052

Conoco, Inc.

CO0001147

Colorado Refining Co.

CO0001210

Phillips Pertroleum Co.

CO0043362

Diamond Shamrock

CO0043842

Chemical Sales Co.

Aspen Glen W&S

District

CO0044750

Climax Molybdenum

CO0041467

West Jefferson County Metro Dist.

CO0020915

Evergreen Metro Dist.

CO0031429

Kittredge San. and Water Dist.

CO0023841

Genessee Water and San. Dist.

CO0022951

West Jefferson County Metro Dist.

CO0020915

Salida

CO0040339

Sterling

CO0026247

Boulder

CO0024147

Sterling

CO0026247

Salida

CO0040339

CDOT Eisenhower

Tunnel CO0026069

Town of Empire

WWTF CO0020575

Martin

Drake Power

Plant

CO0000850

Tiny Town

CO0036129

Bradley Environmental Services

CO0045039

Seneca Coal Company

CO0000221

Town of Johnstown

CO0021156

Cresson Project (Cripple Creek & Victor Gold Mining Co)

CO0045225

City of Glendale WWTF

CO0020095

Lake City WWTF

CO0040673

Tri-Lakes

WWTF

CO0020435

Denver Water-Moffat Water Treatment Plant

CO0020524

Redstone Water and Sanitation District

CO0023922

Climax Mine

(Outfall 001)

CO0000248

City of Walden WWTF

CO0020788

Georgetown WWTF

CO0027961

Hendricks Mining Co.;

Cross and Caribou Mines

CO0032751

Sterling WWTF

CO0026247

Miser Mine

CO0045101

West/Brandt Foundation; Singing River Ranch (Discharge to Big Bear Fish Pond No. 2)

CO0035791

Powderhorn Coal Company

CO0027146

Town of Fowler

CO0021571

Mountain Coal Company (West Elk Coal Mine)

CO0038776

Pittsburg and Midway Coal Mining Company (Edna Mine)

CO0032638

Eaton WWTF

CO0023116

Conoco, Inc.

(Co. Refining, Inc. & Metro Denver included in TMDL)

CO0001147

Riverglen Homeowners Association

CO0029742

Western Mobile Denver, Inc.

CO0001627

Pagosa Springs WWTF

CO00222845

St. Vrain WWTF

CO0041700

Thomas E. and Sharen E. Kurpius RV Park

CO0042561

7th Day Adventist Assoc. of Colorado

CO0030112

Town of Wellington

CO-0021032

Eagle River Water & Sanitation District

CO-0024431

Town of Eagle

CO-0021059

East River Regional Sanitation District

CO-0040720

Mountain Water and Sanitation District

CO-0022730

Centennial Water and Sanitiation District

CO-0037966

Town of Nederland

CO-0020222

Town of Alma

CO-0035769

Kremmling

CO-0021636

Town of Crested Butte

CO-0020443

Mount Crested Butte Water & San. District

CO-0027171

Town of Yampa

CO-0030635

City of Colorado Springs Utilities

CO-0026735

Eastman-Kodak Company

(Windsor WWTP)

CO-0032158

Conifer Sanitation Association

CO-0040096

North La Junta Sanitation District

CO-0039519

Fairplay Sanitation District

CO-0040088

Approval Date

11/12/96

"

"

"

12/03/96

12/03/96

12/11/96

12/11/96

12/11/96

12/11/96

12/11/96

12/11/96

02/03/97

02/03/97

02/03/97

02/03/97

02/03/97

02/03/97

02/06/97

02/06/97

04/02/97

04/02/97

05/06/97

05/06/97

05/06/97

06/02/97

06/02/97

07/31/97

07/31/97

07/31/97

07/31/97

08/20/97

08/20/97

09/30/97

09/30/97

09/30/97

09/30/97

09/30/97

11/05/97

11/05/97

01/06/98

01/06/98

01/06/98

01/06/98

01/06/98

01/06/98

01/06/98

01/06/98

03/24/98

03/24/98

06/05/98

06/05/98

01/24/99

01/24/99

01/24/99

01/24/99

01/24/99

01/24/99

01/24/99

01/24/99

01/24/99

01/24/99

01/24/99

01/24/99

03/10/99

03/10/99

06/29/99

09/23/99

09/27/99

 

July 24, 1997 Approval - Nonpoint Source

Waterbody

Name

TMDL Parameter/

Pollutant

Water Quality Goal/Endpoint

TMDL

Reference Document(s)

Cherry Creek Reservoir

COSPCH02

 33a/33b

total phosphorus

15 µg/l chlorophyll a as an inlake concentration

14,270 lbs total phosphorus per year

Cherry Creek Basin Control Regulation (9/95); Cherry Creek Basin Master Plan; Cherry Creek Clean Lakes Study

Chatfield Reservoir

COSPUS06LZ

 34a/34b

total phosphorus

27 µg/l total phosphorus as an inlake concentration

59,000 lbs total phosphorus per year

Chatfield Reservoir Control Regulation (10/96); Chatfield Clean Lakes Study

Bear Creek Lake

COSPBE01C

 35a/35b

total phosphorus

Trophic state mesotrophic/eutrophic from current condition of eutrophic/hyertrophic

70% reduction in total phosphorus loading

Bear Creek Watershed Control Regulation (5/96); Bear Creek Clean Lakes Study

Dillon Reservoir

COUCBL03L1

 36a/36b

total phosphorus

7.4 µg/l total phosphorus as a depth integrated value in the top 15 meters during the growing season

10,162 lbs total phosphorus per year

Dillon Reservoir Control Regulation (6/96); Dillon Reservoir Clean Lakes Study

 

* These waterbodies are currently on or have been on the State's Section 303(d) waterbody list. The TMDLs associated with these waters are considered Section 303(d)(1) TMDLs. All others are considered Section 303(d)(3) TMDLs since the waters were not on the State's waterbody list.


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