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 251–275 of 1,490
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Charlie Campbell County | 24 | 1956 | Low | Fair |
| Charlotte Natrona County | 25 | 1958 | Low | Fair |
| Chas Smith Converse County | 28 | 1905 | Low | Poor |
| Cheri L. Johnson County | 31 | 1973 | Low | Fair |
| Cherokee Carbon County | 26 | 1917 | Low | Poor |
| Cherokee Trail Carbon County | 20 | 1923 | Low | Poor |
| Cherry No. 1 Converse County | 27 | 1958 | Low | Poor |
| Chevron Clearwater Sweetwater County | 50 | 1986 | Low | Fair |
| Chevron Gypsum Sweetwater County | 67 | 1986 | Low | Fair |
| Chittim Fremont County | 33 | 2003 | Significant | Unsatisfactory |
| Christensen No. 1 Johnson County | 55 | 1987 | Low | Fair |
| Christina Fremont County | 22 | 1942 | Significant | Not Rated |
| Chug Springs Platte County | 25 | 1967 | Low | Fair |
| City Shop Detention Pond Goshen County | 11 | 2017 | Significant | Fair |
| Clark Crook County | 32 | 1960 | Low | Fair |
| Clarkelen Disposal Facility Campbell County | 38 | 2018 | Low | Satisfactory |
| Clark No. 1 Niobrara County | 25 | 1959 | Low | Poor |
| Clark No. 1 Niobrara County | 27 | 1956 | Low | Fair |
| Claudie Crook County | 28 | 1961 | Low | Fair |
| Clay Bank Reservoir Fremont County | 12 | 1952 | Low | Fair |
| Clay No. 1 Platte County | 29 | 1942 | Low | Fair |
| Clear Creek Laramie County | 25 | 1910 | Low | Poor |
| Clearwater Albany County | 26 | 1950 | Low | Poor |
| Clifford F. Graham Uinta County | 19 | 1961 | Low | Poor |
| Cloud Creek No. 3 Natrona County | 27 | 2004 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.