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 101–125 of 543
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Colorado Colony Ditch Co. No. 2 Sheridan County | 16 | 1957 | Low | Poor |
| Cooper Natrona County | 16 | 1933 | Low | Poor |
| Corpening Carbon County | 14 | 1947 | Low | Poor |
| Coyote Uinta County | 8 | 1962 | Low | Poor |
| Crompton Uinta County | 26 | 1954 | Significant | Poor |
| Crooked Creek Detention Dam Washakie County | 34 | 2003 | Low | Poor |
| Crosby Big Horn County | 40 | 1980 | Significant | Poor |
| Cross & Cruse Creek Ditch Co. Johnson County | 15 | 1895 | Low | Poor |
| Currant Sheridan County | 29 | 1987 | Low | Poor |
| C. White No. 1 Campbell County | 31 | 1940 | Low | Poor |
| Dad Dahl Detention # 2 Dam Sweetwater County | 30 | 1963 | Low | Poor |
| Daly Natrona County | 17 | 1945 | Low | Poor |
| Dana Meadows Carbon County | 34 | 1957 | Low | Poor |
| Darrah No. 1 Park County | 14 | 1914 | Low | Poor |
| Darrah No. 2 Park County | 32 | 1914 | Low | Poor |
| Davis No.1 Dam Washakie County | 32 | 2003 | Low | Poor |
| Davis No. 2 Lincoln County | 17 | 1955 | Low | Poor |
| Debatable Fremont County | 21 | 1919 | Low | Poor |
| Detention 1593 #3 Dam Carbon County | 51 | 1957 | Low | Poor |
| Detention 1594 #3 Dam Sweetwater County | 28 | 1961 | Low | Poor |
| Doby No. 3 Albany County | 41 | 1984 | Low | Poor |
| Dodd Sheridan County | 23 | 1952 | Low | Poor |
| Donahue Laramie County | 20 | 1953 | Low | Poor |
| Donna Campbell County | 31 | 1956 | Low | Poor |
| Doyen Johnson County | 25 | 1956 | Low | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.