Dams in San Juan, Washington
37
Total Dams
9
High Hazard
0
Significant
57.7 yrs
Avg Age
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Trout Lake Storage Dam San Juan | High Hazard | — | 1929 | Concrete | Washington |
| Buck Mountain Reservoir Dam No 3 San Juan | High Hazard | — | 1985 | Earth | Washington |
| Cascade Lake Dam San Juan | High Hazard | — | 1915 | Arch | Washington |
| Boyd Lower Reservoir Dam San Juan | High Hazard | — | 1960 | Earth | Washington |
| Buck Mountain Reservoir Dam No 2 San Juan | High Hazard | — | 1985 | Earth | Washington |
| Jays Pond Dam San Juan | High Hazard | — | 1973 | Earth | Washington |
| Buck Mountain Reservoir Dam No 1 San Juan | High Hazard | — | 1985 | Earth | Washington |
| Roche Harbor Lake Dam San Juan | High Hazard | — | 2013 | Earth | Washington |
| Mountain Lake Dam San Juan | High Hazard | — | 1905 | Rockfill | Washington |
| Thorald Dam San Juan | Low Hazard | — | 1988 | Earth | Washington |
| Sundstrom Dam No 2 San Juan | Low Hazard | — | 1984 | Earth | Washington |
| Fowler Reservoir Dam San Juan | Low Hazard | — | 1960 | Earth | Washington |
| Goodrow Dam San Juan | Low Hazard | — | 1964 | Earth | Washington |
| Sundstrom Dam No 1 San Juan | Low Hazard | — | 1970 | Earth | Washington |
| Lawson Lake Dam San Juan | Low Hazard | — | 1948 | Earth | Washington |
| Blazing Tree Ranch Pond 6 Dam San Juan | Low Hazard | — | 1977 | Earth | Washington |
| Sportsman Lake Dam San Juan | Low Hazard | — | 1960 | Earth | Washington |
| Woods Reservoir Dam San Juan | Low Hazard | — | 1972 | Earth | Washington |
| Ayer Reservoir Dam San Juan | Low Hazard | — | 1964 | Earth | Washington |
| Blazing Tree Ranch Pond 5 North Dam San Juan | Low Hazard | — | 1965 | Earth | Washington |
| Heidenreich Dam San Juan | Low Hazard | — | 1972 | Earth | Washington |
| Burton & Louthan Dam San Juan | Low Hazard | — | 1973 | Earth | Washington |
| Jefferts Dam San Juan | Low Hazard | — | 1988 | Earth | Washington |
| Durhack Dam No 5 San Juan | Low Hazard | — | 1972 | Earth | Washington |
| Zylstra Dam No 2 San Juan | Low Hazard | — | 1963 | Earth | Washington |
| Utter Dam San Juan | Low Hazard | — | 1971 | Earth | Washington |
| Durhack Dam No 4 San Juan | Low Hazard | — | 1968 | Earth | Washington |
| Blazing Tree Ranch Pond 5 South Dam San Juan | Low Hazard | — | 1965 | Earth | Washington |
| Spencer Lake San Juan | Low Hazard | 42 ft | 1983 | Rockfill | Washington |
| Durhack Dam No 3 San Juan | Low Hazard | — | 1968 | Earth | Washington |
| Erickson Dam No 2 San Juan | Low Hazard | — | 1964 | Earth | Washington |
| Martins Lake Dam San Juan | Low Hazard | — | 1962 | Earth | Washington |
| Durhack Dam No 1 San Juan | Low Hazard | — | 1968 | Earth | Washington |
| Durhack Dam No 2 San Juan | Low Hazard | — | 1968 | Earth | Washington |
| Helsell Dam San Juan | Low Hazard | — | 1999 | Earth | Washington |
| Limekiln Dam San Juan | Low Hazard | — | 1976 | Earth | Washington |
| Erickson Dam No 1 San Juan | Low Hazard | — | 1964 | Earth | Washington |