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 976–1000 of 1,283
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Donahue Laramie County | 20 | 1953 | Low | Poor |
| Dome Lake Sheridan County | 8 | 1906 | Low | Fair |
| Dolores No. 1 Niobrara County | 27 | 1953 | Low | Fair |
| Dogie No. 3 Niobrara County | 30 | 1952 | Low | Fair |
| Dodd Sheridan County | 23 | 1952 | Low | Poor |
| Doby No. 3 Albany County | 41 | 1984 | Low | Poor |
| Dm No. 1 Washakie County | 22 | 1983 | Low | Fair |
| Divide Lake Sublette County | 12 | 1954 | Low | Fair |
| Dilts Ranch 1-20 Converse County | 21 | 2015 | Low | Fair |
| Diamond Spring Dam Fremont County | 22 | 1994 | Low | Fair |
| Detention Pine Ridge No. 1 Goshen County | 56 | 1958 | Low | Satisfactory |
| Detention Case Bier No. 1 Goshen County | 59 | 1958 | Low | Satisfactory |
| Detention 1594 #3 Dam Sweetwater County | 28 | 1961 | Low | Poor |
| Detention 1593 #3 Dam Carbon County | 51 | 1957 | Low | Poor |
| Detention 1593 #2 Dam Carbon County | 36 | 1960 | Low | Satisfactory |
| Detention 1592 #1 Dam Carbon County | 36 | 1955 | Low | Fair |
| Denver Jake Detention Dam Washakie County | 28 | 1957 | Low | Unsatisfactory |
| Deep Gulch Carbon County | 45 | 2006 | Low | Fair |
| Decker Sheridan County | 14 | 1992 | Low | Fair |
| Debatable Fremont County | 21 | 1919 | Low | Poor |
| Deaver Dam Park County | 16 | 1918 | Low | Not Available |
| Dean Springs Dam Natrona County | 30 | 1963 | Low | Unsatisfactory |
| Dead Rabbit Johnson County | 42 | 2006 | Low | Fair |
| Davis No. 2 Lincoln County | 17 | 1955 | Low | Poor |
| Davis No.1 Dam Washakie County | 32 | 2003 | Low | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.