Navigation Dams in Washington
Washington has 5 navigation dams, of which 5 carry a high hazard classification. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway.
| # | Dam | County | Height (ft) | Hazard | Condition | Year |
|---|---|---|---|---|---|---|
| 1 | Little Goose Lock And Dam | Columbia | 226 | High | Not Available | 1970 |
| 2 | Lower Monumental Lock And Dam | Franklin | 226 | High | Not Available | 1969 |
| 3 | Ice Harbor Lock And Dam | Walla Walla | 208 | High | Not Available | 1962 |
| 4 | Hiram M. Chittenden Locks And Dam | King | 63 | High | Not Available | 1916 |
| 5 | Lower Granite Lock And Dam - East Levee | Nez Perce | 27 | High | Not Available | 1974 |