0

TMDL prioritization

#FFFFFF

DRAFT Colorado TMDL Prioritization Framework

Comments are accepted through November 30, 2024, via email to TMDLinfo@state.co.us.

If you have recommendations for impaired waters to prioritize for TMDL development beginning in 2029, please provide your input in this survey.

#FFFFFF

TMDLs and Alternative Restoration Plans in 2024 and 2025
Waterbody AUID
Waterbody
Pollutants
Target Year
COARMA12_AHuerfano RiverSelenium2025
COARLA01b_AArkansas River, Colorado Canal to John Martin ReservoirSelenium2025
COARLA04a_A,BApishapa RiverSelenium2025
COARLA04a_ATimpas CreekSelenium2025

COARLA09a_B

Horse Creek

Selenium

2025

COARLA09a_C

Adobe Creek

Selenium

2025

COARMA12_A

Huerfano River

Selenium

2025

COSPBE01c_A

Bear Creek Reservoir

Phosphorus, chl-a

2025

COARLA01c_A

Arkansas River, John Martin Reservoir to the Colorado/Kansas border.

Selenium (ARP)

2026

COARLA09a_E

Wiley Drainage Ditch

Selenium (ARP)

2026

COARLA09a_F

Wild Horse Creek

Selenium (ARP)

2026

COARLA09b_B

Big Sandy Creek within Prowers County.

Selenium (ARP)

2026

COSPCP11_B, 12a_B, 12a_A, 12b_A

Cache La Poudre River

E. coli

2026

COSPCP13a_D

Spring Creek

E. coli

2026

COSPCP13a_E

Fossil Creek

E. coli

2026

COSPCP13b_C, 13c_B

Boxelder Creek

E. coli

2026

COSPBE02_C

Bear Creek below Kipling Parkway

E. coli

2027

COARUA15_A

DeWeese Reservoir

Dissolved Oxygen and phosphorus

2027

COSPCL02a,b,c_B,C,F

Mainstem of Clear Creek and tribs

Cd, Zn

2027

COSPCL02c_B

Turkey Gulch

Cd, Zn, Cu, Fe, Mn, Ni

2027

COSPCL03b_A

Leavenworth Creek

Cd, Cu

2027

COSPCL05_B

West Fork of Clear Creek

Cu

2027

COSPCL06_C

North Empire Creek

Cd, Zn, Cu, Fe, Mn, Ni, Pb

2027

COSPCL09a_B

Silver Creek

Pb, Cu

2027

COSPCL09a_C

Fall River

Zn

2027

COSPCL10_A

Chicago Creek, mainstem and all tributaries

Cu

2027

COSPCL12a_B

Gilson Gulch and tribs

Cd, Cu, Fe, Pb, Mn, Ni, Zn

2027

COSPCL13b_C

Gregory, Russell, Silver Gulches and tribs

Cd

2027

COSPUS16a_A, 16i_A, 16i_B

Sand Creek

E. coli

2028

COSPCL15_B, 15_C

Clear Creek

E. coli

2028

COSPCL18a_A

Ralston Creek

E. coli

2028

COARFO01a_C, 1a_D, 2a_B, 2a_C, 2a_D, 2b_A

Fountain Creek

E. coli

2028

COARFO06_B, 6_C

Monument Creek

E. coli

2028

COSPMS01a_A

South Platte River from Big Dry Creek to St. Vrain Creek.

E. coli

2028

COSPCH03_A

Mainstem of Cherry Creek from the outlet of Cherry Creek Reservoir to Holly Street.

E. coli

2028

COSPCH03_B

Mainstem of Cherry Creek from Holly street to the confluence with the South Platte River.

E. coli

2028

COGUUN02_A, 3a_A, 3b_A, 3c_A

Uncompahgre River

Mn, pH, Zn

2028

COGUUN05_B

Commodore Gulch

Zn

2028

COGUUN05_C 

Governor Basin

Cd, Cu, Mn, Pb, Zn

2028

COGUUN05_E

Sneffels Creek

Cd, Mn, Pb, Zn

2028

COGUUN06a_A 

Red Mountain Creek

Ag, Cu

2028

COGUUN07_A 

Gray Copper Gulch

Cu, Pb, pH, Zn

2028

COGUUN08_A 

Mineral Creek

Cd, Cu, Zn

2028

COGUUN09_B 

Sneffels Creek

Cd, Pb, Zn

2028

COGUUN09_C 

Canyon Creek

Zn

2028

COGUUN09_D

Imogene Creek

Cd, Zn

2028