Dams in Lincoln County, Washington
9Total Dams
6High Hazard
0Significant
Dam Safety in Lincoln County, Washington
Lincoln County has 9 dams tracked in the National Inventory of Dams. Of these, 6 are classified as high hazard — meaning failure would probably cause loss of human life.
The average dam in Lincoln County is 49 years old. The most common purpose is other. The tallest dam is Little Falls Spillway Dam at 72 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 |
|---|---|---|---|---|---|
| Davenport Sewage Lagoon No 4 | High | Fair | 22 | Other | 1987 |
| Davenport Sewage Lagoon No 3 | High | Fair | 19 | Other | 1987 |
| Sprague Wastewater Treatment Lagoons | High | Fair | 14 | Other | 1993 |
| Reardan Sewage Lagoon | High | Fair | 8 | Other | 2006 |
| Davenport Sewage Lagoon No 1 | High | Fair | 7 | Other | 1993 |
| Davenport Sewage Lagoon No 2 | High | Fair | 4 | Other | 1987 |
| Little Falls Spillway Dam | Low | Fair | 72 | Hydroelectric | 1910 |
| Brown Dam Lincoln Co | Low | 18 | Irrigation | 1965 | |
| Hansen Dam | Low | 11 | Flood Risk Reduction | 1962 |