Washington Dams
817 dams tracked by the National Inventory of Dams
Total Dams
817
High Hazard
404
49.4%
Poor / Unsatisfactory
65
Average Age
55 yrs
Hazard Classification
High404 (49.4%)
Significant98 (12.0%)
Low312 (38.2%)
Condition Assessment
Satisfactory241 (29.5%)
Fair191 (23.4%)
Poor / Unsatisfactory65 (8.0%)
Not Rated320 (39.2%)
Federal
69
State
42
Local
193
Private
392
Tallest Dams
- Grand Coulee Dam550 ft
- Ross540 ft
- Mud Mountain Dam425 ft
- Swift No. 1412 ft
- Diablo389 ft
High Hazard Dams
- Grand Coulee DamHigh
- RossHigh
- Mud Mountain DamHigh
- Swift No. 1High
- DiabloHigh
Poor Condition Dams
- Lower BakerPoor
- WellsPoor
- Van Stone Tailings DamPoor
- Indian Creek DamPoor
- Butterworth DamPoor
All Dams in Washington
Showing 351–375 of 404
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Clear Creek Dam Yakima County | 84 | 1914 | High | Not Available |
| Chief Joseph Dam Douglas County | 230 | 1955 | High | Not Available |
| Chiawana Rd O Sw Pond Grant County | 16 | 2019 | High | Not Rated |
| Chiawana Gleed Ranch Dam Yakima County | 21 | 2003 | High | Fair |
| Chiawana Frenchman Hills Dam Grant County | 24 | 1995 | High | Fair |
| Chase Lake Stormwater Detention Dam Snohomish County | 10 | 1990 | High | Not Rated |
| Chaplain Lake South Dam Snohomish County | 75 | 1930 | High | Satisfactory |
| Chaplain Lake North Dam Snohomish County | 35 | 1940 | High | Satisfactory |
| Chalfa Dam Okanogan County | 15 | 1940 | High | Satisfactory |
| Centralia Coal Mine Pond 46 Dam Lewis County | 30 | 2004 | High | Fair |
| Centralia Coal Mine Pond 46a Dam Lewis County | 16 | 2004 | High | Satisfactory |
| Centralia Coal Mine Dam No 8a Lewis County | 18 | 1972 | High | Satisfactory |
| Centralia Coal Mine Dam No 8 Lewis County | 12 | 1972 | High | Satisfactory |
| Cedar Way Stormwater Detention Dam Snohomish County | 31 | 1985 | High | Fair |
| Cedar Heights Dam Skagit County | 15 | 2007 | High | Fair |
| Cascade Lake Dam San Juan County | 21 | 1915 | High | Poor |
| Casad Dam Kitsap County | 190 | 1956 | High | Fair |
| Carlisle Lake Dam Lewis County | 19 | 1920 | High | Poor |
| Cardinal Crest Reservoir Dam Franklin County | 14 | 1990 | High | Fair |
| Camping Dairy Lagoon Dam Whatcom County | 7 | 1980 | High | Fair |
| Camano Island Cattle CO Dam Adams County | 17 | 2004 | High | Fair |
| Burres Dam Clark County | 8 | 1951 | High | Not Rated |
| Bumping Lake Dam Yakima County | 61 | 1910 | High | Not Available |
| Bullard Dam Whatcom County | 11 | 1969 | High | Satisfactory |
| Buck Mountain Reservoir Dam No 3 San Juan County | 20 | 1985 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.