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 2023 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 2022 ISF Workshop
- Mapping Data
Additional Information
Instream Flow Appropriations
Last Updated: [7/31/23]
| Water Division | Stream Name | Supporting Documentation | Recommending Entity | County | Status |
|---|---|---|---|---|---|
| 1 | Garber Creek (Confl. North & South Garber Creeks to confl. West Plum Creek) | Preliminary Recommendation | CPW | Douglas | Postponed until 2024 |
| 1 | Herman Gulch (Increase) (Headwaters to confl. Clear Creek) | CPW | Clear Creek | Appropriated | |
| 1 | Platte Gulch | Preliminary Recommendation | CPW and Park County | Park | Postponed until 2024 |
| 1 | Sulzer Gulch (Headwaters to confl. Big Thompson River) | Preliminary Recommendation | CPW and Larimer County Dept. of Natural Resources | Larimer | Postponed until 2024 |
| 1 | Square Tops Creek (Outlet of Lower Square Lake to Inlet Duck Lake) | Preliminary Recommendation | CPW | Clear Creek | Postponed until 2024 |
| 1 | West Plum Creek (Headwaters to confl. East Plum Creek) | Preliminary Recommendation | CPW | Douglas | Postponed until 2024 |
| 2 | Cottonwood Creek (Headwaters to F. Keuhn Ditch No. 2 headgate) | Preliminary Recommendation | CPW | Custer | Postponed until 2024 |
| 2 | Cottonwood Creek (Confl. Salt Creek to Giem Ditch headgate) | BLM | Fremont | Postponed until 2024 | |
| 2 | East Gulch (Confl. Antelope Gulch to confl. Arkansas River) | BLM | Fremont | Postponed until 2024 | |
| 4 | Beaver Dams Creek (Headwaters to confl. East Fork Dry Creek) | Preliminary Recommendation | CPW | Ouray | Postponed until 2024 |
| 4 | Cameron Creek (Headwaters to confl. Lottis Creek) | HCCA | Gunnison | Appropriated | |
| 4 | Cottonwood Creek (Increase) | BLM | Montrose | Appropriated | |
| 4 | Cross Creek (Headwaters to confl. Lottis Creek) | HCCA | Gunnison | Appropriated | |
| 4 | Cunningham Creek (Headwaters to confl. WF Terror Creek) | CPW | Delta | Candidate* | |
| 4 | Curecanti Creek (Increase) (Headwaters to confl. Commissary Gulch ) | CPW | Gunnison | Appropriated | |
| 4 | Curecanti Creek (Increase) (Confl. Commissary Gulch to confl. Morrow Point Reservoir) | CPW | Gunnison | Appropriated | |
| 4 | East Fork Dry Creek (Headwaters to confl. Beaver Dams Creek) | Preliminary Recommendation | CPW | Montrose, Ouray | Postponed until 2024 |
| 4 | East Muddy Creek (Confl. Lee Creek to confl. West Muddy Creek) | Recommendation Letter | BLM | Gunnison | Postponed until 2024 |
| 4 | Goat Creek (Headwaters to confl. Beaver Creek) | Recommendation Letter | BLM | San Miguel | Postponed until 2024 |
| 4 | Kelly Creek (Headwaters to confl. Red Canyon Creek) | CPW | Montrose | Appropriated | |
| 4 | Little Cimarron River (increase) | Preliminary Recommendation | CPW | Gunnison | Withdrawn |
| 4 | Little Cimarron River (Butte Ditch headgate to confl. Cimarron River) | Preliminary Recommendation | CPW | Gunnison, Montrose | Withdrawn |
| 4 | Main Hubbard Creek (headwaters to Overland Ditch) | Preliminary Recommendation | CPW | Delta | Postponed until 2024 |
| 4 | Middle Hubbard Creek (headwaters to Overland Ditch) | Preliminary Recommendation | CPW | Delta | Postponed until 2024 |
| 4 | Monitor Creek | BLM | Montrose | Appropriated | |
| 4 | Monitor Creek (Increase) (Confl. Little Monitor Creek to confl. Potter Creek) | BLM | Montrose | Appropriated | |
| 4 | Pine Creek (Headwaters to confl. Morrow Point Reservoir) | Preliminary Recommendation | CPW | Gunnison | Postponed until 2024 |
| 4 | Potter Creek (Increase) (U.S. Forest Service Property Boundary to confl. Monitor Creek) | BLM | Montrose | Appropriated | |
| 4 | Potter Creek (Increase) (Confl. Monitor Creek to confl. Roubideau Creek) | BLM | Montrose | Appropriated | |
| 4 | Red Canyon Creek (Headwaters to confl. Big A Creek) | CPW | Montrose | Appropriated | |
| 4 | Sink Creek | CPW | Delta | Candidate* | |
| 4 | Steuben Creek (Increase) (Confl. West Steuben Creek to confl. Blue Mesa Reservoir) | Preliminary Recommendation | CPW | Gunnison | Postponed until 2024 |
| 4 | Uncompahgre River | CPW | Ouray | Candidate* | |
| 4 | Unnamed Tributary to East Fork Dry Creek (Headwaters to confl. EF Dry Creek) | Preliminary Recommendation | CPW | Montrose Ouray | Postponed until 2024 |
| 4 | Van Boxel Creek (increase) (Headwaters to confl. Little Cimarron River) | BLM | Gunnison | Appropriated | |
| 4 | West Hubbard Creek (Headwaters to Overland Ditch) | Preliminary Recommendation | CPW | Delta | Postponed until 2024 |
| 4 | West Muddy Creek (Confl. Ault Creek to confl. East Muddy Creek) | Recommendation Letter | BLM | Gunnison | Postponed until 2024 |
| 4 | West Steuben Creek (Headwaters to confl. East Steuben Creek) | CPW | Gunnison | Appropriated | |
| 5 | Coon Creek (Coon Creek Reservoir 4 to South Side Canal) | Recommendation Letter | BLM | Mesa | Postponed until 2024 |
| 5 | Derby Creek (increase) (Confl. South Derby Creek to confl. Colorado River) | Recommendation Letter | BLM | Eagle | Postponed until 2024 |
| 5 | Hack Lake | BLM | Garfield | Appropriated | |
| 5 | Little Elk Creek (Headwaters to Elk Creek No.1 Ditch) | Recommendation Letter | BLM | Pitkin | Postponed until 2024 |
| 5 | Rock Creek (Headwaters to confl. Colorado River) | Preliminary Recommendation | BLM | Grand | Postponed until 2024 |
| 6 | Bear Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Garfield | Postponed until 2024 |
| 6 | Big Fish Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Garfield | Postponed until 2024 |
| 6 | East Marvine Creek (Headwaters to confl. Marvine Creek) | Preliminary Recommendation | CPW | Rio Blanco | Postponed until 2024 |
| 6 | Hauskins Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Garfield | Postponed until 2024 |
| 6 | Hill Creek (Headwaters to Hill Creek Ditch #2  hdgt.) | Preliminary Recommendation | CPW | Rio Blanco | Postponed until 2024 |
| 6 | Lynx Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Garfield | Postponed until 2024 |
| 6 | Milk Creek (Confl. Wilson Creek to confl. Yampa River) | Recommendation Letter | BLM | Moffat | Postponed until 2024 |
| 6 | Mirror Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Rio Blanco | Postponed until 2024 |
| 6 | Paradise Creek (Headwaters to Paradise Ponds diversion hdgt.) | Preliminary Recommendation | CPW | Garfield, Rio Blanco | Postponed until 2024 |
| 6 | Piceance Creek | BLM | Garfield, Rio Blanco | Appropriated | |
| 6 | Piceance Creek | BLM | Rio Blanco | Appropriated | |
| 6 | Picket Pin Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Garfield | Postponed until 2024 |
| 6 | South Fork White River (Flat Tops Wilderness Boundary to confl. Swede Creek) | Preliminary Recommendation | CPW | Rio Blanco | Postponed until 2024 |
| 6 | Vermillion Creek (Talamantes Creek to Ink Springs) | Recommendation Letter | BLM | Moffat | Postponed until 2024 |
| 6 | Vermillion Creek (Ink Springs to Vermillion Ditch) | Recommendation Letter | BLM | Moffat | Postponed until 2024 |
| 6 | Vermillion Creek (Vermillion Ditch to Green River) | Recommendation Letter | BLM | Moffat | Postponed until 2024 |
| 6 | Ways Gulch (Headwaters to confl. Willow Creek) | Recommendation Letter | BLM | Routt | Postponed until 2024 |
| 6 | Wheeler Creek (Headwaters to Akers Ditch) | Recommendation Letter | BLM | Jackson | Postponed until 2024 |
*Candidate indicates that the segment is under investigation for a future ISF recommendation, but has not been formally noticed and will not be brought to the board in January 2023
BLM: Bureau of Land Management
CPW: Colorado Parks and Wildlife
HCCA: High Country Conservation Advocates
USFS: U.S. Forest Service