Wyoming Dams
1,490 dams tracked by the National Inventory of Dams
Total Dams
1,490
High Hazard
100
6.7%
Poor / Unsatisfactory
576
Average Age
62 yrs
Hazard Classification
High100 (6.7%)
Significant104 (7.0%)
Low1,283 (86.1%)
Condition Assessment
Satisfactory45 (3.0%)
Fair752 (50.5%)
Poor / Unsatisfactory576 (38.7%)
Not Rated117 (7.9%)
Federal
193
State
22
Local
82
Private
1,174
Tallest Dams
- Buffalo Bill Dam350 ft
- Seminoe Dam295 ft
- Alcova Dam265 ft
- Kortes Dam244 ft
- Boysen Dam220 ft
High Hazard Dams
- Buffalo Bill DamHigh
- Seminoe DamHigh
- Alcova DamHigh
- Kortes DamHigh
- Boysen DamHigh
Poor Condition Dams
- LapreleUnsatisfactory
- Upper Van TassellPoor
- Hawk SpringsPoor
- EastgatePoor
- BischoffPoor
All Dams in Wyoming
Showing 601–625 of 752
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Cottonwood Uinta County | 13 | 1919 | Low | Fair |
| Corral Park County | 52 | 1983 | High | Fair |
| Cook Stock Albany County | 27 | 2001 | Low | Fair |
| Cook No. 2 Albany County | 34 | 2001 | Low | Fair |
| Cody Sewage Lagoon (Cell 2) Park County | 15 | 1987 | Low | Fair |
| Cody Sewage Lagoon (Cell 1) Park County | 15 | 1987 | Low | Fair |
| Cody Municipal Park County | 40 | 1948 | Significant | Fair |
| Coal Gulch Carbon County | 30 | 2013 | Low | Fair |
| Cms Railroad Project Section 6 Campbell County | 33 | 2000 | Low | Fair |
| Cloud Peak Johnson County | 36 | 1958 | High | Fair |
| Cloud Creek No. 3 Natrona County | 27 | 2004 | Low | Fair |
| Clay No. 1 Platte County | 29 | 1942 | Low | Fair |
| Clay Bank Reservoir Fremont County | 12 | 1952 | Low | Fair |
| Claudie Crook County | 28 | 1961 | Low | Fair |
| Clark No. 1 Niobrara County | 27 | 1956 | Low | Fair |
| Clark Crook County | 32 | 1960 | Low | Fair |
| City Shop Detention Pond Goshen County | 11 | 2017 | Significant | Fair |
| Chug Springs Platte County | 25 | 1967 | Low | Fair |
| Christensen No. 1 Johnson County | 55 | 1987 | Low | Fair |
| Chevron Gypsum Sweetwater County | 67 | 1986 | Low | Fair |
| Chevron Clearwater Sweetwater County | 50 | 1986 | Low | Fair |
| Cheri L. Johnson County | 31 | 1973 | Low | Fair |
| Charlotte Natrona County | 25 | 1958 | Low | Fair |
| Charlie Campbell County | 24 | 1956 | Low | Fair |
| Chapman Carbon County | 26 | — | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.