Dams in Washoe County, Nevada
76Total Dams
35High Hazard
16Significant
Dam Safety in Washoe County, Nevada
Washoe County has 76 dams tracked in the National Inventory of Dams. Of these, 35 are classified as high hazard — meaning failure would probably cause loss of human life. Another 16 carry a significant hazard classification. Currently, 41 dams have a condition assessment of poor or unsatisfactory.
The average dam in Washoe County is 60 years old. The most common purpose is irrigation. The tallest dam is Huffaker Effluent Storage Reservoir Dam at 138 ft.
Explore more: Oldest dams in Nevada · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Huffaker Effluent Storage Reservoir Dam | High | Fair | 138 | Other | 1992 |
| Peavine Creek Upper Dam | High | Fair | 74 | Flood Risk Reduction | 1960 |
| West Wash Dam | High | Fair | 70 | Flood Risk Reduction | 1960 |
| East Logan Ridge Trail Dam | High | Fair | 64 | Flood Risk Reduction | 2003 |
| North Virginia Detention Dam | High | Poor | 60 | Flood Risk Reduction | |
| Mill Creek Dam No 2 | High | Poor | 60 | Flood Risk Reduction | |
| Peavine Creek Lower Dam | High | Fair | 51 | Flood Risk Reduction | 1962 |
| Marlette Lake Dam | High | Fair | 50 | Water Supply | |
| Sun Valley Detention Dam | High | Fair | 50 | Flood Risk Reduction | |
| West Logan Ridge Trail Dam | High | Fair | 50 | Flood Risk Reduction | 2003 |
| Verdi Meadows Wastewater Disposal Dam | High | Poor | 49 | Other | 1973 |
| Northgate Golf Course Dam | High | Poor | 46 | Recreation | |
| East Wash Diversion Dam | High | Fair | 46 | Flood Risk Reduction | 1961 |
| Dant Blvd Detention Dam | High | Fair | 43 | Flood Risk Reduction | 1990 |
| Wilcox Canyon #1 Dam | High | Poor | 25 | Irrigation | |
| D'andrea Detention Basin #1 Dam | High | Fair | 25 | Flood Risk Reduction | |
| Mill Creek No 1 Dam | High | Not Rated | 23 | Flood Risk Reduction | |
| Highland Reservoir Dam | High | Fair | 23 | Other | 1996 |
| North Spanish Springs Flood Detention Facility Dam | High | Fair | 23 | Flood Risk Reduction | 2007 |
| Hunter Creek Reservoir Dam | High | Fair | 20 | Other | 1954 |
| Wheeler Reservoir Dam | High | Fair | 19 | Recreation | |
| Herman Dam | High | Fair | 17 | Recreation | 1955 |
| Sierra Sage Ponds | High | Poor | 16 | Recreation | 1966 |
| North Spanish Springs Flood Sediment Basin Dam | High | Fair | 16 | Debris Control | 2007 |
| Pagni Dam | High | Poor | 15 | Irrigation | |
| Home Ranch Canyon Dam | High | Unsatisfactory | 15 | Irrigation | |
| D'andrea Ranch Hole #6 Pond Dam | High | Fair | 15 | Flood Risk Reduction | |
| Spanish Springs Stormwater Detention Facility Dam | High | Fair | 14 | Flood Risk Reduction | 1990 |
| Washoe Lake Dam | High | Poor | 12 | Irrigation | |
| Virginia Lake Dam | High | Fair | 11 | Irrigation | 1938 |
| Damonte Ranch Flood Control Diversion Dam | High | Fair | 11 | Flood Risk Reduction | |
| D'andrea Detention Basin #3 Dam | High | Fair | 11 | Flood Risk Reduction | |
| Damonte Ranch Flood Detention Basin Dam | High | Fair | 10 | Flood Risk Reduction | |
| Damonte Ranch Wetlands Detention Basin Dam | High | Fair | 8 | Flood Risk Reduction | |
| Damonte Ranch Dam Detention Pond #4 | High | Fair | 0 | Flood Risk Reduction | |
| Squaw Creek Dam | Significant | Poor | 65 | Irrigation | |
| Wall Creek Dam Lower | Significant | Poor | 44 | Irrigation | |
| Chalk Bluff Treatment Plant Phase Ii Dam | Significant | Fair | 43 | Other | 1996 |
| Middle Dam | Significant | Unsatisfactory | 35 | Irrigation | |
| Howard C. Davis Dam | Significant | Unsatisfactory | 26 | Irrigation | 1945 |
| Hobart Creek Reservoir Dam | Significant | Poor | 23 | Water Supply | |
| Wet Ravine Dam | Significant | Poor | 22 | Irrigation | |
| Chalk Bluff Solids Storage Pond Dam | Significant | Fair | 21 | Other | 1996 |
| Negro Creek Dam | Significant | Poor | 17 | Irrigation | |
| Wilcox Canyon #3 Dam | Significant | Poor | 15 | Irrigation | |
| Double Diamond Dam | Significant | Poor | 15 | Flood Risk Reduction | 1995 |
| Sidehill Detention Basin Dam | Significant | Poor | 14 | Flood Risk Reduction | 1998 |
| Rancho Haven #2 Dam | Significant | Poor | 13 | Irrigation | |
| Lightning W Ranch Dams | Significant | Poor | 12 | Recreation | |
| Wetlands At Kiley Ranch Dam | Significant | Poor | 12 | Flood Risk Reduction | |
| Chalk Bluff Treatment Plant Phase I Dam | Significant | Fair | 10 | Other | 1995 |
| Wall Creek Dam Upper | Low | Poor | 75 | Irrigation | |
| Marble Bluff Dam | Low | Not Available | 51 | Other | 1975 |
| Jones Canyon Dam | Low | Poor | 43 | Irrigation | |
| Sugar Cane Springs Dam | Low | Poor | 38 | Irrigation | |
| Captain Johnson Reservoir Dam | Low | Poor | 35 | Irrigation | 1911 |
| Little High Rock Dam | Low | Unsatisfactory | 35 | Irrigation | |
| Derby Diversion Dam | Low | Not Available | 31 | Irrigation | 1905 |
| Hill Number 2 Dam | Low | Fair | 29 | Irrigation | 1974 |
| Spanish Flat Dam | Low | Poor | 26 | Irrigation | |
| Disabet Reservoir Dam | Low | Unsatisfactory | 25 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Hill Dam Number 1 | Low | Poor | 25 | Irrigation | 1911 |
| Coleman Reservoir Dam | Low | Poor | 23 | Irrigation | |
| Catnip Dam | Low | Poor | 19 | Fish and Wildlife Pond | 1910 |
| Grass Valley Dam | Low | Poor | 18 | Irrigation | |
| Swan Lake Dam | Low | Poor | 18 | Irrigation | 1929 |
| Pradare Spring Dam | Low | Poor | 18 | Irrigation | |
| Fly Reservoir Dam | Low | Poor | 17 | Irrigation | |
| Hidden Lake Dam | Low | Fair | 16 | Recreation | 1990 |
| Toney Reservoir Dam | Low | Poor | 15 | Irrigation | 1970 |
| Little Valley Dam | Low | Unsatisfactory | 12 | Irrigation | 1912 |
| Dewey Parker Dam No 2 | Low | Poor | 11 | Irrigation | 1945 |
| Carter Reservoir Dam | Low | Fair | 10 | Irrigation | 1916 |
| Pilgrim Flat Dam | Low | Poor | 8 | Fish and Wildlife Pond | 1960 |
| Rye Creek Dam | Low | Poor | 8 | Fish and Wildlife Pond | 1961 |
| Ixl Ranch Dam | Low | Fair | 7 | Irrigation | 1994 |