Dams in Owyhee County, Idaho
50Total Dams
4High Hazard
15Significant
Dam Safety in Owyhee County, Idaho
Owyhee County has 50 dams tracked in the National Inventory of Dams. Of these, 4 are classified as high hazard — meaning failure would probably cause loss of human life. Another 15 carry a significant hazard classification. Currently, 10 dams have a condition assessment of poor or unsatisfactory.
The average dam in Owyhee County is 77 years old. The most common purpose is irrigation. The tallest dam is Texas Basin at 121 ft.
Explore more: Oldest dams in Idaho · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Texas Basin | High | Fair | 121 | Irrigation | 1979 |
| C J Strike | High | Satisfactory | 115 | Hydroelectric | 1952 |
| Hulet | High | Fair | 99 | Other | 1976 |
| Squaw Creek | High | Fair | 61 | Irrigation | 1968 |
| Macks Creek | Significant | Fair | 58 | Other | 1993 |
| Hulet No 2 Dam | Significant | Fair | 55 | Irrigation | 1987 |
| Little Blue Creek | Significant | Poor | 37 | Other | 1914 |
| Rock Creek | Significant | Fair | 37 | Irrigation | 1965 |
| Big Blue Creek | Significant | Fair | 34 | Other | 1910 |
| King Reservoir South Dam | Significant | Fair | 33 | Irrigation | 1969 |
| Hardisty | Significant | Fair | 31 | Other | 1914 |
| King Reservoir (west Dam) | Significant | Fair | 30 | Irrigation | 1969 |
| Mountain View Dam | Significant | Poor | 25 | Irrigation | 1969 |
| Spencer | Significant | Fair | 23 | Other | 1939 |
| Grasmere North Dam | Significant | Poor | 22 | Other | 1936 |
| Foreman | Significant | Poor | 21 | Other | 1929 |
| Taylor Lower | Significant | Fair | 18 | Irrigation | 1965 |
| Taylor Upper | Significant | Fair | 18 | Irrigation | 1964 |
| Grasmere East Dam | Significant | Poor | 11 | Irrigation | |
| Bybee | Low | Fair | 60 | Irrigation | 1987 |
| Shoofly | Low | Fair | 46 | Irrigation | 1977 |
| Tyson West | Low | Fair | 42 | Irrigation | 1967 |
| Delamar Wmp-1 | Low | Satisfactory | 42 | Tailings | 2009 |
| Louisa Creek | Low | Poor | 41 | Other | 1931 |
| Strickland | Low | Fair | 35 | Other | 1927 |
| Payne Creek | Low | Fair | 33 | Other | 1930 |
| Diamond A | Low | Fair | 29 | Other | 1931 |
| Sommerville | Low | Fair | 29 | Other | 1926 |
| Tyson North | Low | Fair | 27 | Irrigation | 1967 |
| Pershall | Low | Fair | 27 | Other | 1948 |
| Pacific Land Co | Low | Fair | 27 | Irrigation | 1965 |
| Brown | Low | Fair | 26 | Irrigation | 1958 |
| Josephine Creek | Low | Fair | 24 | Other | 1983 |
| Hagberry | Low | Fair | 23 | Other | 1925 |
| Alder | Low | Poor | 21 | Irrigation | 1909 |
| Nouque | Low | Satisfactory | 21 | Irrigation | 1967 |
| Slack | Low | Satisfactory | 20 | Other | 1916 |
| Scrappy Creek | Low | Poor | 20 | Irrigation | 1927 |
| Hardisty Wilson West | Low | Fair | 18 | Other | 1918 |
| Juniper Creek | Low | Satisfactory | 16 | Irrigation | 1923 |
| Grasmere Middle Dam | Low | Poor | 16 | Other | 1936 |
| Tindall | Low | Fair | 13 | Irrigation | 1951 |
| Snow Creek North | Low | Fair | 13 | Other | 1957 |
| Hulet No 2 Dike | Low | Poor | 13 | Irrigation | 1987 |
| Lone Tree | Low | Fair | 12 | Other | 1918 |
| Snow Creek South | Low | Fair | 11 | Irrigation | 1957 |
| Foland | Low | Fair | 11 | Other | 1916 |
| Grasmere South Dike | Low | Fair | 11 | Irrigation | 1909 |
| Hardisty Wilson East | Low | Satisfactory | 9 | Irrigation | 1918 |
| Brace | Undetermined | Not Rated | 25 | Fire Protection, Stock, Or Small Fish Pond | 1921 |