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 326–350 of 1,283
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Robber'S Roost Weston County | 22 | 1955 | Low | Fair |
| Road Crook County | 27 | 1961 | Low | Fair |
| Rissler Natrona County | 28 | 1951 | Low | Fair |
| Ring Johnson County | 33 | 2008 | Low | Fair |
| Rigbys Fremont County | 8 | 1905 | Low | Fair |
| Ridge Place No. 2 Johnson County | 53 | 1973 | Low | Fair |
| Richey Lincoln County | 25 | 1917 | Low | Poor |
| Richard No. 1 Platte County | 30 | 1964 | Low | Not Rated |
| Rhonda Campbell County | 30 | 2004 | Low | Fair |
| Reynolds No. 2 Sheridan County | 30 | 1922 | Low | Fair |
| Reynolds No. 2 Natrona County | 16 | 1909 | Low | Poor |
| Reynolds No. 1 Sheridan County | 46 | 1972 | Low | Fair |
| Reynolds Clear Creek Diversion Johnson County | 17 | 1977 | Low | Not Rated |
| Restoration Pond B Johnson County | 25 | 1980 | Low | Fair |
| Reservoir 26-Sr-1 Campbell County | 26 | — | Low | Not Available |
| Reno Campbell County | 11 | 1910 | Low | Fair |
| Reno Johnson County | 19 | 1952 | Low | Fair |
| Renner Big Horn County | 16 | 1950 | Low | Fair |
| Reeves No. 1 Park County | 75 | 1985 | Low | Fair |
| Reese No. 5 Converse County | 28 | 1972 | Low | Poor |
| Reese Platte County | 23 | 2007 | Low | Fair |
| Reed Converse County | 15 | 1953 | Low | Fair |
| Reed Uinta County | 39 | 1960 | Low | Fair |
| Red Wash No. 5 Wetland Carbon County | 15 | 2003 | Low | Fair |
| Red Wash #2 Carbon County | 8 | 1997 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.