18Total Dams
5High Hazard
1Significant
Dam Safety in Adams County, Washington
Adams County has 18 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 1 carry a significant hazard classification. Currently, 1 dam has a condition assessment of poor or unsatisfactory.
The average dam in Adams County is 48 years old. The most common purpose is other. The tallest dam is Mccain Foods Process Water Storage Facil at 44 ft.
Explore more: Oldest dams in Washington · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Mccain Foods Process Water Storage Facil | High | Not assessed | 44 | Other | 1996 |
| Ob-3 Process Water Storage Lagoon 2 | High | Not assessed | 37 | Irrigation | 2021 |
| Ochoa Ob-3 Process Water Storage Lagoon | High | Fair | 32 | Other | 2009 |
| Mccain Foods Covered Anaerobic Lagoon | High | Satisfactory | 31 | Other | 2021 |
| Camano Island Cattle Co Dam | High | Fair | 17 | Irrigation | 2004 |
| Ritzville Wastewater Lagoons | Significant | Fair | 9 | Other | 2000 |
| Carnation Potato Waste Lagoon System | Low | Not assessed | 33 | Other | 1990 |
| Sheep Springs Dam | Low | Not assessed | 30 | Irrigation | 1906 |
| Othello Primary Treatment Pond 1a | Low | Not assessed | 27 | Other | 1982 |
| Othello Primary Treatment Pond 1b | Low | Not assessed | 16 | Other | 1982 |
| Scabrock Feeders Dam 3 | Low | Not assessed | 16 | Other | 1968 |
| Coyote Lake Dam | Low | Poor | 16 | Fish and Wildlife Pond | 1976 |
| Scabrock Feeders Dam 6a | Low | Not assessed | 15 | Water Supply | 1970 |
| Taggares Dam No 1 | Low | Not assessed | 14 | Other | 1968 |
| Taggares Dam No 2 | Low | Not assessed | 14 | Other | 1968 |
| Scabrock Feeders Dam 6c | Low | Not assessed | 11 | Other | 1970 |
| Black Lake Dam | Low | Not assessed | 7 | Recreation | 1938 |
| Cow Lake Dam | Low | Not assessed | 7 | Irrigation | 1935 |