Washington Dam Report Cards by County
County-level report cards for Washington. Scores combine high-hazard dam counts with condition, emergency-plan, and older-inspection-date flags.
| County | State | Grade | Score | Total | High | Significant | Poor/unsat. | Missing EAP | Older inspection |
|---|---|---|---|---|---|---|---|---|---|
| King County | Washington | F | 292 | 92 | 62 | 9 | 1 | 3 | 40 |
| Yakima County | Washington | F | 219 | 50 | 36 | 10 | 7 | 9 | 15 |
| Chelan County | Washington | D | 152 | 37 | 32 | 1 | 7 | 0 | 10 |
| Snohomish County | Washington | D | 132 | 42 | 21 | 5 | 6 | 4 | 9 |
| Whatcom County | Washington | D | 105 | 30 | 22 | 1 | 0 | 3 | 13 |
| Okanogan County | Washington | D | 105 | 33 | 20 | 2 | 3 | 2 | 10 |
| Pierce County | Washington | D | 103 | 35 | 24 | 3 | 2 | 1 | 7 |
| Stevens County | Washington | C | 80 | 35 | 15 | 2 | 5 | 0 | 4 |
| Skagit County | Washington | C | 72 | 23 | 12 | 4 | 4 | 1 | 4 |
| Grant County | Washington | C | 71 | 44 | 13 | 6 | 2 | 2 | 4 |
| Kitsap County | Washington | C | 71 | 18 | 10 | 2 | 3 | 2 | 8 |
| Spokane County | Washington | C | 70 | 28 | 10 | 3 | 5 | 0 | 6 |
| Lewis County | Washington | C | 64 | 34 | 9 | 6 | 3 | 2 | 4 |
| Grays Harbor County | Washington | C | 59 | 14 | 9 | 3 | 5 | 0 | 2 |
| Benton County | Washington | C | 57 | 28 | 11 | 11 | 1 | 0 | 4 |
| Pend Oreille County | Washington | C | 50 | 27 | 11 | 5 | 2 | 0 | 1 |
| Thurston County | Washington | B | 47 | 17 | 7 | 0 | 2 | 2 | 4 |
| Clark County | Washington | B | 46 | 18 | 6 | 2 | 2 | 1 | 6 |
| Mason County | Washington | B | 41 | 16 | 8 | 2 | 1 | 0 | 5 |
| Clallam County | Washington | B | 38 | 8 | 6 | 1 | 1 | 1 | 5 |
| San Juan County | Washington | B | 32 | 37 | 9 | 0 | 1 | 0 | 0 |
| Walla Walla County | Washington | B | 27 | 13 | 6 | 5 | 0 | 0 | 2 |
| Franklin County | Washington | B | 26 | 27 | 5 | 5 | 0 | 0 | 3 |
| Adams County | Washington | B | 25 | 18 | 5 | 1 | 1 | 0 | 2 |
| Cowlitz County | Washington | B | 23 | 15 | 5 | 1 | 1 | 0 | 1 |
| Lincoln County | Washington | B | 22 | 9 | 6 | 0 | 0 | 1 | 0 |
| Jefferson County | Washington | B | 21 | 4 | 3 | 1 | 1 | 0 | 3 |
| Ferry County | Washington | B | 20 | 8 | 3 | 4 | 1 | 0 | 1 |
| Kittitas County | Washington | A | 19 | 10 | 5 | 0 | 0 | 0 | 2 |
| Douglas County | Washington | A | 19 | 15 | 4 | 1 | 0 | 1 | 1 |
| Island County | Washington | A | 14 | 8 | 3 | 1 | 0 | 0 | 2 |
| Skamania County | Washington | A | 8 | 6 | 2 | 0 | 0 | 0 | 1 |
| Pacific County | Washington | A | 8 | 4 | 1 | 0 | 1 | 0 | 0 |
| Whitman County | Washington | A | 4 | 3 | 1 | 1 | 0 | 0 | 0 |
| Nez Perce County | Washington | A | 3 | 1 | 1 | 0 | 0 | 0 | 0 |
| Klickitat County | Washington | A | 3 | 7 | 1 | 0 | 0 | 0 | 0 |
| Columbia County | Washington | A | 3 | 2 | 1 | 0 | 0 | 0 | 0 |
| Garfield County | Washington | A | 0 | 1 | 0 | 0 | 0 | 0 | 0 |