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 2026 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
March 2025 Notice
- Presentations at the 2025 ISF Workshop
- Mapping Data
Additional Information
Instream Flow Appropriations
Last Updated: [02/12/25]
| 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) | CPW | Ouray | Intent to Appropriate Formed | |
4 | Cabin Creek | HCCA & WRA | Gunnison | Intent to Appropriate Formed | |
4 | Canyon Creek | HCCA & WRA | Gunnison | Intent to Appropriate Formed | |
| 4 | East Fork Dry Creek (Headwaters to confl. Beaver Dams Creek) | CPW | Montrose, Ouray | Intent to Appropriate Formed | |
| 4 | East Muddy Creek (Confl. Lee Creek to confl. Muddy Creek) | BLM | Gunnison | Moving Forward | |
| 4 | Goat Creek (confl. Galloway Creek to confl. Beaver Creek) | BLM | San Miguel | Intent to Appropriate Formed | |
| 4 | Main Hubbard Creek (headwaters to Overland Ditch) | CPW | Delta | Intent to Appropriate Formed | |
| 4 | Middle Hubbard Creek (headwaters to Overland Ditch) | CPW | Delta | Intent to Appropriate Formed | |
| 4 | Pine Creek (Headwaters to confl. Morrow Point Reservoir) | Preliminary Recommendation | CPW | Gunnison | Active |
4 | Red Creek (increase) | HCCA & NPS | Gunnison | Intent to Appropriate Formed | |
| 4 | Unnamed Tributary to East Fork Dry Creek (Headwaters to confl. EF Dry Creek) | CPW | Montrose Ouray | Intent to Appropriate Formed | |
4 | Upper Taylor (increase) (confl. Eyre Creek to confl. Italian Creek) |
| WRA | Gunnison | Active |
| 4 | West Hubbard Creek (Headwaters to Overland Ditch) | CPW | Delta | Intent to Appropriate Formed | |
| 4 | West Muddy Creek (Confl. Sheep Creek to confl. Muddy Creek) | BLM | Gunnison | Moving Forward | |
| 5 | Coon Creek (West Branch Coon Creek to South Side Canal) | BLM | Mesa | Intent to Appropriate Formed | |
| 5 | Derby Creek (increase) (Confl. South Derby Creek to confl. Colorado River) | BLM | Eagle | Intent to Appropriate Formed | |
5
| Deep Creek (Outlet of Deep Lake to BLM Property Boundary) | American Rivers & Eagle River Coalition | Garfield, Eagle | Moving Forward | |
| 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) | BLM | Rio Blanco | Intent to Appropriate Formed | |
| 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 & #3 hdgt.) | Preliminary Recommendation | CPW | Rio Blanco | Active |
6 | Lost Dog Creek (Headwaters to confl. North Fork Elk Creek) | Factsheet | CPW |
| 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 | Moving Forward |
| 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 | BLM | Moffat, Rio Blanco | Withdrawn | |
| 6 | Vermillion Creek (Talamantes Creek to Ink Springs) | Recommendation Letter | BLM | Moffat | Moving Forward |
| 6 | Vermillion Creek (Ink Springs to Vermillion Ditch) | Recommendation Letter | BLM | Moffat | Moving Forward |
| 6 | Vermillion Creek (Vermillion Ditch to Green River) | Recommendation Letter | BLM | Moffat | Active |
6 | West Willow Creek | BLM | Routt | Active | |
6 | Willow Creek | BLM | Routt | Active | |
7 | Burrows Creek |
| BLM | San Juan | Moving Forward |
7 | Mill Creek (Headwaters to confl. Cascade Creek) | Factsheet | CPW | San Juan | Active |
7 | Pando Creek (Headwaters to confl. Cascade Creek) | Factsheet | CPW | 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