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 2025 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 2025 ISF Workshop
- Watch the 2025 ISF Workshop on YouTube
- CWCB Staff
- CWCB 2025 Instream Flow Presentation
- CPW 2025 Instream Flow Recommendations
- BLM 2025 Instream Flow Recommendations
- High Country Conservation Advocates and WRA 2025 Instream Flow Recommendations
- High Country Conservation Advocates and NPS 2025 Instream Flow Recommendation
- Mapping Data
Additional Information
Instream Flow Appropriations
Last Updated: [09/16/24]
| Water Division | Stream Name | Supporting Documentation | Recommending Entity | County | Status |
|---|---|---|---|---|---|
| 1 | East Roaring Fork Creek (Headwaters to confl Roaring Creek) | CPW | Larimer | Active | |
| 1 | Garber Creek (Confl. North & South Garber Creeks to confl. West Plum Creek) | Preliminary Recommendation | CPW | Douglas | Active |
| 1 | Platte Gulch | Preliminary Recommendation | CPW and Park County | Park | Active |
| 1 | West Plum Creek (Headwaters to confl. East Plum Creek) | Preliminary Recommendation | CPW | Douglas | Active |
| 2 | Cottonwood Creek (Headwaters to F. Keuhn Ditch No. 2 headgate) | Preliminary Recommendation | CPW | Custer | Active |
| 2 | Cottonwood Creek (Confl. Salt Creek to Giem Ditch headgate) | BLM | Fremont | Active | |
| 2 | East Gulch (Confl. Antelope Gulch to confl. Arkansas River) | BLM | Fremont | Active | |
| 4 | Beaver Dams Creek (Headwaters to confl. East Fork Dry Creek) | Preliminary Recommendation | CPW | Ouray | Active |
4 | Cabin Creek (Headwaters to Cabin Creek Ditch) | HCCA & WRA | Gunnison | Active | |
4 | Canyon Creek (Headwaters to confl. Tomichi Creek) | HCCA & WRA | Gunnison | Active | |
| 4 | East Fork Dry Creek (Headwaters to confl. Beaver Dams Creek) | Preliminary Recommendation | CPW | Montrose, Ouray | Active |
| 4 | East Muddy Creek (Confl. Lee Creek to confl. Muddy Creek) | BLM | Gunnison | Active | |
| 4 | Goat Creek (Spring Complex to confl. Beaver Creek) | Recommendation Letter | BLM | San Miguel | Active |
| 4 | Main Hubbard Creek (headwaters to Overland Ditch) | Preliminary Recommendation | CPW | Delta | Active |
| 4 | Middle Hubbard Creek (headwaters to Overland Ditch) | Preliminary Recommendation | CPW | Delta | Active |
| 4 | Pine Creek (Headwaters to confl. Morrow Point Reservoir) | Preliminary Recommendation | CPW | Gunnison | Active |
4 | Red Creek (Headwaters to confl. Blue Mesa Reservoir) | HCCA & NPS | Gunnison | Active | |
| 4 | Unnamed Tributary to East Fork Dry Creek (Headwaters to confl. EF Dry Creek) | Preliminary Recommendation | CPW | Montrose Ouray | Active |
| 4 | West Hubbard Creek (Headwaters to Overland Ditch) | Preliminary Recommendation | CPW | Delta | Active |
| 4 | West Muddy Creek (Confl. Sheep Creek to confl. Muddy Creek) | BLM | Gunnison | Active | |
| 5 | Coon Creek (Coon Creek Reservoir 4 to South Side Canal) | Recommendation Letter | BLM | Mesa | Active |
| 5 | Derby Creek (increase) (Confl. South Derby Creek to confl. Colorado River) | Recommendation Letter | BLM | Eagle | Active |
| 6 | Bear Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Garfield | Active |
| 6 | Big Fish Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Garfield | Active |
| 6 | Clear Creek (Headwaters to confl Milk Creek) | Preliminary Recommendation | BLM | Rio Blanco | Active |
| 6 | East Marvine Creek (Headwaters to confl. Marvine Creek) | Preliminary Recommendation | CPW | Rio Blanco | Active |
| 6 | Hauskins Creek (Headwaters to confl. NF White River | Preliminary Recommendation | CPW | Garfield | Active |
| 6 | Hill Creek (Headwaters to Hill Creek Ditch #2  hdgt.) | Preliminary Recommendation | CPW | Rio Blanco | Active |
| 6 | Lynx Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Garfield | Active |
| 6 | Milk Creek (Confl. Wilson Creek to confl. Yampa River) | Recommendation Letter | BLM | Moffat | Active |
| 6 | Mirror Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Rio Blanco | Active |
| 6 | Pagoda Creek (Headwaters to confl South Fork Williams Fork | Preliminary Recommendation | BLM | Rio Blanco | Active |
| 6 | Paradise Creek (Headwaters to Paradise Ponds diversion hdgt.) | Preliminary Recommendation | CPW | Garfield, Rio Blanco | Active |
| 6 | Picket Pin Creek (Headwaters to confl. NF White River) | Preliminary Recommendation | CPW | Garfield | Active |
| 6 | South Fork White River (Flat Tops Wilderness Boundary to confl. Swede Creek) | Preliminary Recommendation | CPW | Rio Blanco | Active |
6 | Stinking Gulch (Headwaters to confl. Milk Creek) | BLM | Moffat, Rio Blanco | Withdrawn | |
| 6 | Vermillion Creek (Talamantes Creek to Ink Springs) | Recommendation Letter | BLM | Moffat | Active |
| 6 | Vermillion Creek (Ink Springs to Vermillion Ditch) | Recommendation Letter | BLM | Moffat | Active |
| 6 | Vermillion Creek (Vermillion Ditch to Green River) | Recommendation Letter | BLM | Moffat | Active |
6 | West Willow Creek (Headwaters to confl. Willow Creek) | BLM | Routt | Active | |
6 | Willow Creek (Outlet Boyer Reservoir to confl. West Branch Creek) | BLM | Routt | Active | |
7 | Burrows Creek (Headwaters to confl. Animas River) |
| BLM | San Juan | Active |
BLM: Bureau of Land Management
CPW: Colorado Parks and Wildlife
HCCA: High Country Conservation Advocates
WRA: Western Resource Advocates
NPS: National Park Service