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 2024 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 2023 ISF Workshop
- Mapping Data
Additional Information
Instream Flow Appropriations
Last Updated: [02/26/24]
| Water Division | Stream Name | Supporting Documentation | Recommending Entity | County | Status |
|---|---|---|---|---|---|
| 1 | East Roaring Fork Creek (Headwaters to confl Roaring Creek) | CPW | Larimer | Postponed until 2025 | |
| 1 | Garber Creek (Confl. North & South Garber Creeks to confl. West Plum Creek) | Preliminary Recommendation | CPW | Douglas | Postponed until 2025 |
| 1 | Platte Gulch | Preliminary Recommendation | CPW and Park County | Park | Postponed until 2025 |
| 1 | Sulzer Gulch (Headwaters to confl. Big Thompson River) | Preliminary Recommendation | CPW and Larimer County Dept. of Natural Resources | Larimer | Postponed until 2025 |
| 1 | Square Tops Creek (Outlet of Lower Square Lake to Inlet Duck Lake) | Executive Summary Supplementary Data | CPW | Clear Creek | Intent to Appropriate Formed |
| 1 | West Plum Creek (Headwaters to confl. East Plum Creek) | Preliminary Recommendation | CPW | Douglas | Postponed until 2025 |
| 1 | Williams Gulch (Headwaters to confl Cache la Poudre River) | Executive Summary Supplementary Data | CPW | Larimer | Intent to Appropriate Formed |
| 2 | Cottonwood Creek (Headwaters to F. Keuhn Ditch No. 2 headgate) | Preliminary Recommendation | CPW | Custer | Postponed until 2025 |
| 2 | Cottonwood Creek (Confl. Salt Creek to Giem Ditch headgate) | BLM | Fremont | Postponed until 2025 | |
| 2 | East Gulch (Confl. Antelope Gulch to confl. Arkansas River) | BLM | Fremont | Postponed until 2025 | |
| 2 | Titan Lake | Executive Summary Supplementary Data | CPW | Lake | Intent to Appropriate Formed |
| 4 | Beaver Dams Creek (Headwaters to confl. East Fork Dry Creek) | Preliminary Recommendation | CPW | Ouray | Postponed until 2025 |
| 4 | Cunningham Creek (Headwaters to confl. WF Terror Creek) | CPW | Delta | Candidate* | |
| 4 | Deer Creek (Headwaters to Beitler No. 1 Diversion Structure) | Executive Summary Supplementary Data | HCCA | Gunnison | Intent to Appropriate Formed |
| 4 | East Fork Dry Creek (Headwaters to confl. Beaver Dams Creek) | Preliminary Recommendation | CPW | Montrose, Ouray | Postponed until 2025 |
| 4 | East Muddy Creek (Confl. Lee Creek to confl. Muddy Creek) | Recommendation Letter | BLM | Gunnison | Postponed until 2025 |
| 4 | Goat Creek (Spring Complex to confl. Beaver Creek) | Recommendation Letter | BLM | San Miguel | Postponed until 2025 |
| 4 | Main Hubbard Creek (headwaters to Overland Ditch) | Preliminary Recommendation | CPW | Delta | Postponed until 2025 |
| 4 | Middle Hubbard Creek (headwaters to Overland Ditch) | Preliminary Recommendation | CPW | Delta | Postponed until 2025 |
| 4 | North Lobe Creek (Headwaters to Highline Ditch hdgt) | Executive Summary Supplementary Data | BLM | Mesa | Intent to Appropriate Formed |
| 4 | Pine Creek (Headwaters to confl. Morrow Point Reservoir) | Preliminary Recommendation | CPW | Gunnison | Postponed until 2025 |
| 4 | Sink Creek | CPW | Delta | Candidate* | |
| 4 | Splains Gulch (Headwaters to confl Morrow Point Reservoir) | Executive Summary Supplementary Data | HCCA | Gunnison | ActiveIntent to Appropriate Formed |
| 4 | Steuben Creek (Increase) (Confl. West Steuben Creek to confl. Blue Mesa Reservoir) | Preliminary Recommendation | CPW | Gunnison | Postponed until 2025 |
| 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 2025 |
| 4 | West Hubbard Creek (Headwaters to Overland Ditch) | Preliminary Recommendation | CPW | Delta | Postponed until 2025 |
| 4 | West Muddy Creek (Confl. Sheep Creek to confl. Muddy Creek) | Recommendation Letter | BLM | Gunnison | Postponed until 2025 |
| 5 | Coon Creek (Coon Creek Reservoir 4 to South Side Canal) | Recommendation Letter | BLM | Mesa | Postponed until 2025 |
| 5 | Derby Creek (increase) (Confl. South Derby Creek to confl. Colorado River) | Recommendation Letter | BLM | Eagle | Postponed until 2025 |
| 5 | Little Elk Creek (Headwaters to Elk Creek No.1 Ditch) | Recommendation Letter | BLM | Pitkin | Withdrawn |
| 6 | Bear Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Garfield | Postponed until 2025 |
| 6 | Big Fish Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Garfield | Postponed until 2025 |
| 6 | Clear Creek (Headwaters to confl Milk Creek) | Preliminary Recommendation | BLM | Moffat | Postponed until 2025 |
| 6 | East Marvine Creek (Headwaters to confl. Marvine Creek) | Preliminary Recommendation | CPW | Rio Blanco | Postponed until 2025 |
| 6 | Hauskins Creek (Headwaters to confl. NF White River | Preliminary Recommendation | CPW | Garfield | Postponed until 2025 |
| 6 | Hill Creek (Headwaters to Hill Creek Ditch #2  hdgt.) | Preliminary Recommendation | CPW | Rio Blanco | Postponed until 2025 |
| 6 | Lynx Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Garfield | Postponed until 2025 |
| 6 | Milk Creek (Confl. Wilson Creek to confl. Yampa River) | Recommendation Letter | BLM | Moffat | Postponed until 2025 |
| 6 | Mirror Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Rio Blanco | Postponed until 2025 |
| 6 | Pagoda Creek (Headwaters to confl South Fork Williams Fork | Preliminary Recommendation | BLM | Rio Blanco | Postponed until 2025 |
| 6 | Paradise Creek (Headwaters to Paradise Ponds diversion hdgt.) | Preliminary Recommendation | CPW | Garfield, Rio Blanco | Postponed until 2025 |
| 6 | Picket Pin Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Garfield | Postponed until 2025 |
| 6 | South Fork White River (Flat Tops Wilderness Boundary to confl. Swede Creek) | Preliminary Recommendation | CPW | Rio Blanco | Postponed until 2025 |
| 6 | Vermillion Creek (Talamantes Creek to Ink Springs) | Recommendation Letter | BLM | Moffat | Postponed until 2025 |
| 6 | Vermillion Creek (Ink Springs to Vermillion Ditch) | Recommendation Letter | BLM | Moffat | Postponed until 2025 |
| 6 | Vermillion Creek (Vermillion Ditch to Green River) | Recommendation Letter | BLM | Moffat | Postponed until 2025 |
| 6 | Ways Gulch (Headwaters to confl. Willow Creek) | Executive Summary Supplementary Data | BLM | Routt | Intent to Appropriate Formed |
| 6 | Wheeler Creek (Headwaters to Akers Ditch) | Executive Summary Supplementary Data | BLM | Jackson | Intent to Appropriate Formed |
*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 2024
BLM: Bureau of Land Management
CPW: Colorado Parks and Wildlife
HCCA: High Country Conservation Advocates
USFS: U.S. Forest Service