Dams in Park County, Wyoming
55Total Dams
5High Hazard
5Significant
Dam Safety in Park County, Wyoming
Park County has 55 dams tracked in the National Inventory of Dams. Of these, 5 are classified as high hazard — meaning failure would probably cause loss of human life. Another 5 carry a significant hazard classification. Currently, 23 dams have a condition assessment of poor or unsatisfactory.
The average dam in Park County is 70 years old. The most common purpose is irrigation. The tallest dam is Greybull Valley (1st Enl.) at 207 ft.
Explore more: Oldest dams in Wyoming · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Greybull Valley (1st Enl.) | High | Fair | 207 | Irrigation | 2000 |
| Lower Sunshine | High | Fair | 162 | Irrigation | 1972 |
| Upper Sunshine | High | Fair | 160 | Irrigation | 1942 |
| Buffalo Bill-diamond Creek Dike | High | Not Available | 136 | Fish and Wildlife Pond | 1905 |
| Corral | High | Fair | 52 | Irrigation | 1983 |
| Cody Municipal | Significant | Fair | 40 | Water Supply | 1948 |
| Stonebridge | Significant | Fair | 24 | Irrigation | 1905 |
| Prince No.1 | Significant | Poor | 19 | Fish and Wildlife Pond | 1993 |
| Markham | Significant | Fair | 11 | Water Supply | 1929 |
| Beck Lake | Significant | Fair | 11 | Irrigation | 1970 |
| Reeves No. 1 | Low | Fair | 75 | Fish and Wildlife Pond | 1985 |
| Willwood Diversion Dam | Low | Not Available | 70 | Irrigation | 1924 |
| Thomas | Low | Poor | 56 | Irrigation | 1949 |
| Rush Creek | Low | Poor | 49 | Irrigation | 1973 |
| Ruff Detention Dam | Low | Unsatisfactory | 46 | Other | 2003 |
| Snafu | Low | Poor | 40 | Other | 1967 |
| Cat Track Dam | Low | Unsatisfactory | 39 | Other | 2003 |
| Alkali Creek | Low | Poor | 36 | Irrigation | 1950 |
| Snyder | Low | Satisfactory | 35 | Irrigation | 2000 |
| Perkins & Kinney | Low | Poor | 35 | Irrigation | 1923 |
| Peter Widener Pond | Low | Not Rated | 33 | Irrigation | 1998 |
| Darrah No. 2 | Low | Poor | 32 | Irrigation | 1914 |
| Wiley | Low | Poor | 31 | Irrigation | 1971 |
| Angle Detention Dam | Low | Poor | 30 | Debris Control | |
| Buffalo Bill-north Fork Dike | Low | Not Available | 30 | Fish and Wildlife Pond | 1905 |
| Horse Creek | Low | Poor | 29 | Irrigation | 1973 |
| Whistle Creek Dam | Low | Not Rated | 28 | Other | 2003 |
| Sage Creek | Low | Poor | 28 | Irrigation | 1982 |
| Trail Creek | Low | Fair | 27 | Irrigation | 1952 |
| Foster No. 1 Dam 1b (2nd Enl.) | Low | Fair | 25 | Irrigation | 1953 |
| Foster No. 1 Dam 1a (2nd Enl.) | Low | Poor | 24 | Irrigation | 1953 |
| Belknap Creek No. 4 | Low | Fair | 23 | Irrigation | 1917 |
| Swan Creek No. 7 | Low | Poor | 22 | Irrigation | 1911 |
| Badura No. 1 | Low | Poor | 21 | Irrigation | 1964 |
| West Fork Sand Coulee Dam | Low | Unsatisfactory | 21 | Other | 2003 |
| Darrah No. 3 | Low | Fair | 20 | Irrigation | 1908 |
| Belknap Creek No. 1 | Low | Poor | 20 | Irrigation | 1917 |
| Paint Creek | Low | Fair | 20 | Irrigation | 1911 |
| Luce | Low | Poor | 19 | Irrigation | 1912 |
| Corbett Diversion Dam | Low | Not Available | 18 | Irrigation | 1908 |
| Deaver Dam | Low | Not Available | 16 | Fish and Wildlife Pond | 1918 |
| Swan Creek No. 2 | Low | Poor | 15 | Irrigation | 1908 |
| Mackey | Low | Satisfactory | 15 | Fish and Wildlife Pond | 2000 |
| Cody Sewage Lagoon (cell 1) | Low | Fair | 15 | Other | 1987 |
| Cody Sewage Lagoon (cell 2) | Low | Fair | 15 | Other | 1987 |
| Frost No. 2 | Low | Poor | 14 | Irrigation | 1956 |
| Darrah No. 1 | Low | Poor | 14 | Irrigation | 1914 |
| Thayer No. 1 | Low | Fair | 13 | Irrigation | 1935 |
| Hart Enlargement Of Tippacanoe No. 1 | Low | Poor | 12 | Irrigation | 1908 |
| Powell Sewage Lagoon System-secondary C2 | Low | Fair | 11 | Other | 1988 |
| Powell Sewage Lagoon System-secondary C3 | Low | Fair | 11 | Other | 1988 |
| Powell Sewage Lagoon System-secondary C4 | Low | Fair | 11 | Other | 1988 |
| Powell Sewage Lagoon System-secondary C1 | Low | Fair | 11 | Other | 1988 |
| Powell Sewage Lagoon System-primary (1) | Low | Fair | 8 | Other | 1988 |
| Powell Sewage Lagoon System-primary (2) | Low | Fair | 8 | Other | 1988 |