Dams in Washington County, Utah
46Total Dams
25High Hazard
12Significant
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Quail Creek | High | Satisfactory | 209 | Irrigation | 1984 |
| Ash Creek | High | Fair | 138 | Irrigation | 1960 |
| Gunlock | High | Satisfactory | 117 | Irrigation | 1970 |
| Sand Hollow North Dam | High | Satisfactory | 98 | Water Supply | 2002 |
| Enterprise (upper) | High | Satisfactory | 91 | Irrigation | 1912 |
| South Creek - Washington County | High | Satisfactory | 91 | Irrigation | 1988 |
| Quail Creek South Dam | High | Satisfactory | 80 | Water Supply | 1990 |
| St. George City - City Creek D.b. | High | Satisfactory | 76 | Flood Risk Reduction | 1989 |
| Baker | High | Fair | 68 | Irrigation | 1950 |
| Warner Draw | High | Fair | 67 | Flood Risk Reduction | 1975 |
| Kolob Creek | High | Fair | 61 | Irrigation | 1956 |
| Frog Hollow | High | Poor | 58 | Flood Risk Reduction | 1978 |
| Enterprise (lower) | High | Fair | 56 | Irrigation | 1925 |
| Sand Hollow West Dam | High | Satisfactory | 51 | Water Supply | 2002 |
| Ivins Bench | High | Satisfactory | 47 | Irrigation | 1943 |
| Stucki Debris | High | Satisfactory | 31 | Flood Risk Reduction | 1974 |
| Tuacahn Wash Lower Detention Basin | High | Satisfactory | 29 | Flood Risk Reduction | 1919 |
| Gypsum Wash | High | Fair | 26 | 1975 | |
| Ivins Red Mountain - 1 | High | Satisfactory | 15 | Flood Risk Reduction | 1977 |
| Ivins Red Mountain - 4 | High | Satisfactory | 13 | Flood Risk Reduction | 1977 |
| Ivins Red Mountain - 3 | High | Satisfactory | 13 | Flood Risk Reduction | 1977 |
| Ivins Red Mountain - 5 | High | Satisfactory | 12 | Flood Risk Reduction | 1977 |
| Ivins Red Mountain - 2 | High | Satisfactory | 12 | Flood Risk Reduction | 1977 |
| St. George City - Navajo D.b. | High | Satisfactory | 12 | Flood Risk Reduction | 2002 |
| Ivins Red Mountain - 6 | High | Satisfactory | 11 | Flood Risk Reduction | 1977 |
| Town Of Springdale 88r161 | Significant | Not Rated | 100 | Other | |
| Grass Valley | Significant | Not Rated | 75 | Flood Risk Reduction | 1917 |
| Pine Valley Reservoir | Significant | Poor | 45 | Recreation | 1934 |
| Blue Springs | Significant | Not Rated | 31 | Recreation | 1957 |
| Hildale Carling Street Db | Significant | Not Rated | 25 | Flood Risk Reduction | |
| Tuacahn Wash Upper Detention Basin | Significant | Satisfactory | 20 | Flood Risk Reduction | 2013 |
| Frehner, Garth E. | Significant | Not Rated | 19 | Irrigation | |
| Summit Development, Pond N10 | Significant | Not Rated | 15 | Flood Risk Reduction | |
| Christensen, Elliott F. (lds Church) | Significant | Not Rated | 15 | Recreation | |
| Frehner, Garth E. | Significant | Not Rated | 14 | Irrigation | |
| Summit Development, Pond N8 | Significant | Not Rated | 14 | Flood Risk Reduction | |
| Summit Development, Pond N6 | Significant | Not Rated | 12 | Irrigation | |
| Quail Creek Diversion | Low | Not Rated | 73 | Irrigation | 1984 |
| Sitla - Sienna Hills | Low | Not Rated | 26 | Flood Risk Reduction | |
| Frehner, Garth E. Family Trust | Low | Not Rated | 26 | Irrigation | |
| Bowler, John M. , Et Al 84r25 | Low | Not Rated | 25 | Other | |
| Pacificorp - Sand Cove (lower) | Low | Not Rated | 20 | Hydroelectric | 1928 |
| Stirling, David H. 97-81-07md | Low | Not Rated | 20 | Other | |
| St. George Replacement Aiport/db 2 | Low | Not Rated | 17 | Flood Risk Reduction | 2008 |
| Pub Greenspring L.c. Pond A | Low | Not Rated | 13 | Flood Risk Reduction | |
| Pacificorp - Sand Cove (upper) | Low | Not Rated | 12 | Hydroelectric | 1928 |