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2021 ISF Recommendations

Pursuant to ISF Rule 5, the Colorado Water Conservation Board (CWCB) is providing notice that the following streams are being considered for appropriation. The earliest these streams could be recommended to the CWCB Board is at the January 2021 meeting. Staff is evaluating these recommendations for completeness and accuracy and performing an independent review of water availability. Staff requests public comment on these recommendations and urges any interested parties to provide comments to Rob Viehl. Detailed information regarding these proposed instream flow appropriations can be obtained by clicking on the stakeholder recommendation in the table below. Staff will provide regular updates to this table as information is received and developed.

Appropriation Notices
Presentations at the 2020 ISF Workshop
Mapping Data

View the 2021 Recommendations in Google Earth
Mapviewer

Additional Information

Last Updated: [9/30/2022]
Instream Flow Appropriations

Water
Division		 Stream Name Supporting Documentation Recommending
Entity		 County

Status  
1

Dry Gulch
(Headwaters to confl. Clear Creek)

CWCB Executive Summary

Recommendation

 CPW Clear Creek Appropriated
1

Garber Creek
(Conflu. North & South Garber Creeks to conflu. West Plum Creek)

   CPW Douglas Postponed until 2022
1

Herman Gulch (Increase)
(Headwaters to conflu. Clear Creek)

   CPW Clear Creek Postponed until 2022
1

North Fork Little Thompson River 
(Confl. Hell Canyon Creek to confl. Little Thompson River)

CWCB Executive Summary

Recommendation

 CPW and Larimer County Dept. of Natural Resources Larimer Appropriated
1

Platte Gulch
(Headwaters to confl. Middle Fork South Platte)

   CPW and Park County Park Postponed until 2022
1 Redstone Creek
(Headwaters to conflu. Buckhorn Creek)

CWCB Executive Summary

Recommendation

 CPW and Larimer County Dept. of Natural Resources Larimer Appropriated
1

Spring Canyon
(Headwaters to confl. Horsetooth Reservoir)

   CPW and Larimer County Dept. of Natural Resources Park Postponed until 2022
1 Sulzer Gulch
(Headwaters to confl. Big Thompson River)		   CPW and Larimer County Dept. of Natural Resources Larimer Postponed until 2022
1 Square Tops Creek
(Outlet of Lower Square Lake to Inlet Duck Lake)		   CPW Clear Creek Postponed until 2022
1 West Plum Creek
(Headwaters to conflu. East Plum Creek)		   CPW Douglas Postponed until 2022
2 Cottonwood Creek
(Headwaters to F. Keuhn Ditch No. 2 headgate)		   CPW Custer Postponed until 2022
2 Cottonwood Creek
(Conflu. Salt Creek to Giem Ditch headgate)		   BLM Fremont Postponed until 2022
2 East Fork Arkansas River 
(Headwaters to confl. Chalk Creek)

CWCB Executive Summary

Recommendation

BLM

 Lake Appropriated
2 East Gulch
(Conflu. Antelope Gulch to conflu. Arkansas River)		   BLM Fremont Postponed until 2022
4 Beaver Dams Creek
(Headwaters to conflu. East Fork Dry Creek)		   CPW Ouray Postponed until 2022
4 Big A Creek
(Headwaters to conflu. Red Canyon Creek)		   CPW Montrose Postponed until 2022
4

Cottonwood Creek (Increase)
(Hawkins Ditch Hdgt. to confl. Roubideau Creek)

   BLM Montrose Postponed until 2022
4 Cow Creek
(Confl. Nate Creek to confl. Uncompahgre River)

CWCB Executive Summary

Recommendation

 CPW Ouray Appropriated
4 Curecanti Creek (Increase)
(Headwaters to conflu. Morrow Point Reservoir)		   CPW Gunnison Postponed until 2022
4 East Fork Dry Creek
(Headwaters to conflu. Beaver Dams Creek)		   CPW Montrose, Ouray Postponed until 2022
4 East Muddy Creek
(Conflu. Lee Creek to Conflu. West Muddy Creek)		   BLM Gunnison Postponed until 2022
4 Elk Creek
(Headwaters to conflu. Coak Creek)

CWCB Executive Summary

Recommendation

 HCCA Gunnison Appropriated
4 Gold Creek 
(Tarkington Ditch hdgt. to Quartz Creek)		 Recommendation

HCCA

 Gunnison Postponed until 2022
4 Kelly Creek
(Headwaters to conflu. Red Canyon Creek)		   CPW Montrose Postponed until 2022
4

Little Cimarron River (increase)
(Confl. Van Boxel Creek to Butte Ditch Hdgt)

   CPW Gunnison Postponed until 2022
4 Little Cimarron River
(Butte Ditch headgate to conflu. Cimarron River)		   CPW Gunnison, Montrose Postponed until 2022
4 Main Hubbard Creek
(headwaters to Overland Ditch)		   CPW Delta Postponed until 2022
4 Middle Hubbard Creek
(headwaters to Overland Ditch)		   CPW Delta Postponed until 2022
4

Monitor Creek
(U.S. Forest Service Property Boundary to confl. Potter Creek)

   BLM Montrose Postponed until 2022
4

Naturita Creek (Increase)
(Headwaters to Norwood Road Crossing)

 Recommendation

BLM

 San Miguel Postponed until 2022
4

Naturita Creek 
(Norwood Road Crossing to confl. San Miguel River)

 Recommendation

BLM

 Montrose, San Miguel Postponed until 2022
4 Pine Creek
(Headwaters to confl. Morrow Point Reservoir)		   CPW Gunnison Postponed until 2022
4 Potter Creek (Increase)
(U.S. Forest Service Property Boundary to confl. Roubideau Creek)		   BLM Montrose Postponed until 2022
4 Red Canyon
(Headwaters to conflu. Big A Creek)		   CPW Montrose Postponed until 2022
4 Spring Creek
(Headwaters to Crabtree Ditch Headgate)

Recommendation

BLM

 Montrose Postponed until 2022
4 West Hubbard Creek
(Headwaters to Overland Ditch)		   BLM Delta Postponed until 2022
4 West Muddy Creek
(Conflu. Ault Creek to conflu. East Muddy Creek)		   BLM Gunnison Postponed until 2022
4 Wildcat Creek
(Outlet of Green Lake to conflu. Coal Creek)

CWCB Executive Summary

Recommendation

 CPW Gunnison Appropriated
6 Bear Creek
(Headwaters to confl. NF White River)		   CPW Garfield Postponed until 2022
6 Big Fish Creek
(Headwaters to confl. NF White River)		   CPW Garfield Postponed until 2022
6 East Marvine Creek
(Headwaters to confl. Marvine Creek)		   CPW Rio Blanco Postponed until 2022
6 Hauskins Creek
(Headwaters to confl. NF White River)		   CPW Garfield Postponed until 2022
6 Hill Creek
(Headwaters to Hill Creek Ditch #2 &#3 hdgt.)		   CPW Rio Blanco Postponed until 2022
6 Lynx Creek 
(Headwaters to confl. NF White River)		   CPW Garfield Postponed until 2022
6 Milk Creek
(Confl. Wilson Creek to confl. Yampa River)		 Recommendation

BLM

 Moffat Postponed until 2022
6 Mirror Creek
(Headwaters to confl. NF White River)		   CPW Rio Blanco Postponed until 2022
6 Paradise Creek
(Headwaters to Paradise Ponds diversion hdgt.)		   CPW Garfield, Rio Blanco Postponed until 2022
6

Piceance Creek 
(Headwaters to confl. unnamed tributary)

 Recommendation

BLM

 Garfield, Rio Blanco Postponed until 2022
6

Piceance Creek 
(Confl. unnamed tributary to confl. Cow Creek)

 Recommendation

BLM

 Rio Blanco Postponed until 2022
6 Picket Pin Creek
(Headwaters to confl. NF White River)		   CPW Garfield Postponed until 2022
6 South Fork White River
(Flat Tops Wilderness Boundary to confl. Swede Creek)		   CPW Rio Blanco Postponed until 2022
6

Watson Creek 
(Confl. Moody Creek to Hardscrabble Ditch Hdgt.)

Recommendation

BLM

 Routt Postponed until 2022
7 Rincon La Vaca Creek
(Headwaters to confl. Los Pinos River)

CWCB Executive Summary

Recommendation

 CPW Hinsdale Intent to Appropriate Formed

BLM: Bureau of Land Management
CPW: Colorado Parks and Wildlife
HCCA: High Country Conservation Advocates
USFS: U.S. Forest Service

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