Dams in Adams County, Washington
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 dams have 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
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Mccain Foods Process Water Storage Facil | High | 44 | Other | 1996 | |
| Ob-3 Process Water Storage Lagoon 2 | High | 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 | 33 | Other | 1990 | |
| Sheep Springs Dam | Low | 30 | Irrigation | 1906 | |
| Othello Primary Treatment Pond 1a | Low | 27 | Other | 1982 | |
| Othello Primary Treatment Pond 1b | Low | 16 | Other | 1982 | |
| Scabrock Feeders Dam 3 | Low | 16 | Other | 1968 | |
| Coyote Lake Dam | Low | Poor | 16 | Fish and Wildlife Pond | 1976 |
| Scabrock Feeders Dam 6a | Low | 15 | Water Supply | 1970 | |
| Taggares Dam No 1 | Low | 14 | Other | 1968 | |
| Taggares Dam No 2 | Low | 14 | Other | 1968 | |
| Scabrock Feeders Dam 6c | Low | 11 | Other | 1970 | |
| Black Lake Dam | Low | 7 | Recreation | 1938 | |
| Cow Lake Dam | Low | 7 | Irrigation | 1935 |