27Total Dams
5High Hazard
5Significant
Dam Safety in Franklin County, Washington
Franklin County has 27 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.
The average dam in Franklin County is 43 years old. The most common purpose is irrigation. The tallest dam is Lower Monumental Lock and Dam at 226 ft.
Explore more: Oldest dams in Washington · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Lower Monumental Lock and Dam | High | Not assessed | 226 | Navigation | 1969 |
| West Bank Project Reservoir | High | Satisfactory | 34 | Irrigation | 2003 |
| Dionysus Dam | High | Fair | 18 | Irrigation | 1973 |
| Pasco Process Water Reuse Storage Lagoon | High | Fair | 18 | Other | 1997 |
| Cardinal Crest Reservoir Dam | High | Fair | 14 | Irrigation | 1990 |
| Connell Wastewater Lagoon 1a | Significant | Fair | 23 | Other | 2009 |
| Connell Wastewater Lagoons | Significant | Fair | 20 | Other | 2000 |
| Pasco Industrial Wastewater System | Significant | Satisfactory | 15 | Irrigation | 1995 |
| Connell Wastewater Lagoon 4 | Significant | Fair | 10 | Other | 2009 |
| Connell Wastewater Lagoon 5 | Significant | Fair | 8 | Other | 2009 |
| Scooteney Headworks Dike | Low | Not assessed | 26 | 1952 | |
| Ice Harbor Ranch Block 211 Reservoir | Low | Not assessed | 25 | Water Supply | 2013 |
| Con Agra Foods Main Storage Basin Dam | Low | Not assessed | 23 | Other | 1970 |
| Bacchus Dam | Low | Not assessed | 22 | Irrigation | 1973 |
| Section 34 Re Regulating Reservoir | Low | Not assessed | 17 | Irrigation | 2005 |
| Scooteney North Dike | Low | Not assessed | 16 | 1952 | |
| Bernsens 810 Reservoir Dam No 2 | Low | Not assessed | 15 | Irrigation | 1979 |
| Bernsens 810 Reservoir Dam No 1 | Low | Not assessed | 15 | Irrigation | 1979 |
| Con Agra Foods New Storage Basin | Low | Not assessed | 13 | Other | 2006 |
| 804 Reservoir Dam | Low | Not assessed | 12 | Irrigation | 1979 |
| Ringold Springs Fish Pond | Low | Not assessed | 12 | Fish and Wildlife Pond | 1961 |
| Scooteney Dike 1 | Low | Not assessed | 10 | 1952 | |
| Ringold Pond Dam | Low | Not assessed | 10 | Fish and Wildlife Pond | 1962 |
| Bernsens 810 Reservoir Dam No 3 | Low | Not assessed | 10 | Irrigation | 1979 |
| Koreis Dam | Low | Not assessed | 8 | Irrigation | 1982 |
| Eagle Lake Dam | Low | Not assessed | 8 | Irrigation | 1955 |
| Snakebite Reservoir Dam | Low | Not assessed | 7 | Irrigation | 1976 |