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 701–725 of 1,490
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Joss Niobrara County | 24 | 1918 | Low | Poor |
| Joy No. 1 Converse County | 25 | 1984 | Low | Satisfactory |
| J. Smith Washakie County | 14 | 1943 | Low | Fair |
| July Campbell County | 26 | 2005 | Low | Fair |
| Kafka No. 1 Albany County | 22 | 1969 | Low | Fair |
| Kajan Diversion Crook County | 19 | 1965 | Low | Fair |
| Kane 01-07-5781 Sheridan County | 46 | 2007 | Low | Fair |
| Kane 03-19-5781 Sheridan County | 32 | 2008 | Low | Fair |
| Kane Cemetery Big Horn County | 16 | 1988 | Low | Poor |
| Karl Johnson County | 30 | 1957 | Low | Fair |
| Karl Johnson County | 33 | 1958 | Low | Poor |
| Kaufmann Johnson County | 49 | 1954 | Low | Poor |
| Kaufman No. 1 Goshen County | 29 | 1975 | Low | Poor |
| Kearney Lake Johnson County | 67 | 1963 | High | Fair |
| Keaton Fs 9-249-13 Weston County | 26 | 1960 | Low | Not Rated |
| Kelly Johnson County | 26 | 1973 | Significant | Poor |
| Kemmerer Lincoln County | 30 | 1942 | High | Poor |
| Kemp Creek Sheridan County | 26 | 2002 | Low | Fair |
| Kennedy No. 1 Albany County | 40 | 1965 | Low | Poor |
| Ken No. 1 Platte County | 35 | 1968 | Low | Fair |
| Ketchum Butte Carbon County | 35 | 2001 | Low | Poor |
| Ketelsen #9-219-2 Converse County | 23 | 1987 | Low | Poor |
| Keuhne Campbell County | 13 | 1961 | Low | Fair |
| Key Bar Water Hole #1 Platte County | 34 | 2011 | Low | Fair |
| Keyhole Dam Crook County | 168 | 1952 | High | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.