Dams in Strafford County, New Hampshire
51Total Dams
13High Hazard
19Significant
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Bellamy Reservoir Dam | High | Satisfactory | 35 | Water Supply | 1962 |
| Rochester Reservoir Dam | High | Satisfactory | 26 | Water Supply | 1935 |
| Bow Lake Dam | High | Poor | 24 | Recreation | 1832 |
| Merrymeeting Lake Dam | High | Poor | 22 | Recreation | 1924 |
| Jones Dam | High | Poor | 21 | Recreation | 1924 |
| Jones Pond Dam | High | Satisfactory | 19 | Recreation | 1981 |
| Milton Three Ponds Dam | High | Poor | 19 | Recreation | 1824 |
| Sunrise Lake Dam | High | Satisfactory | 19 | Recreation | 1877 |
| Durham Reservoir Dam | High | Satisfactory | 17 | Recreation | 1930 |
| Swains Lake Dam | High | Satisfactory | 17 | Recreation | 1890 |
| Farmington Levee | High | Fair | 15 | Flood Risk Reduction | 1956 |
| Marchs Pond Dam | High | Satisfactory | 8 | Recreation | 1840 |
| Rochester Reservoir Dike Spillway | High | Satisfactory | 2 | Water Supply | 1935 |
| Lower Great Falls | Significant | Satisfactory | 36 | Hydroelectric | 1984 |
| Milton Leatherboard Dam | Significant | Poor | 32 | Recreation | 1904 |
| Wiswall Dam | Significant | Fair | 22 | Recreation | 1911 |
| Oyster Reservoir Dam | Significant | Fair | 21 | Water Supply | 1934 |
| Milton Waste Water Lagoons Dam | Significant | Fair | 20 | Other | 1985 |
| Hatfields | Significant | Satisfactory | 20 | Hydroelectric | 1937 |
| Rollinsford | Significant | Satisfactory | 20 | Hydroelectric | 1910 |
| Baxter Lake Main Dam | Significant | Fair | 19 | Recreation | 1923 |
| Ayers Pond Dam | Significant | Fair | 18 | Recreation | 1810 |
| Somersworth | Significant | Satisfactory | 17 | Hydroelectric | 1929 |
| Gonic Dam | Significant | Fair | 16 | Recreation | 1935 |
| Beards Creek Dam | Significant | Satisfactory | 16 | Recreation | 1953 |
| Thornwood Commons Pond Dam | Significant | Satisfactory | 16 | Fish and Wildlife Pond | 1961 |
| Upper City Dam | Significant | Fair | 14 | Recreation | 1920 |
| Kenneth Hill Pond Dam | Significant | Poor | 12 | Fish and Wildlife Pond | 1970 |
| Camp Foss Sewage Lagoon Dam | Significant | Poor | 10 | Other | 1979 |
| Rochester Sewage Lagoon Dam | Significant | Satisfactory | 10 | Other | 1980 |
| Cocheco Falls | Significant | Satisfactory | 9 | Hydroelectric | 1930 |
| Unh Water Treament Residual Lagoons | Significant | Satisfactory | 5 | Other | 2017 |
| Berry Brook Reservoir Dam | Low | Fair | 28 | Recreation | 1930 |
| Pickering Ponds Dam | Low | Not Rated | 24 | Other | 1980 |
| Spaulding Pond Dam | Low | Satisfactory | 19 | Hydroelectric | 1899 |
| South Berwick | Low | Satisfactory | 18 | Hydroelectric | 1923 |
| Waumbek Dam | Low | Satisfactory | 17 | Recreation | 1880 |
| Rowe Dam | Low | Satisfactory | 15 | Recreation | 1935 |
| Downing Pond Dam | Low | Fair | 15 | Recreation | 1921 |
| South Milton | Low | Satisfactory | 15 | Hydroelectric | 1893 |
| Pine Rock Farm Pond Dam | Low | Fair | 12 | Recreation | 1966 |
| Watson | Low | Satisfactory | 12 | Hydroelectric | 1900 |
| Mill Pond Dam | Low | Poor | 10 | Recreation | 1935 |
| Currier Pond Dam | Low | Poor | 10 | Recreation | 1963 |
| Baxter Lake East Dike | Low | Fair | 10 | Recreation | 1923 |
| Baxter Lake Center Dike | Low | Fair | 10 | Recreation | 1923 |
| Boston Felt | Low | Satisfactory | 10 | Hydroelectric | 1983 |
| Nippo Pond Dam | Low | Fair | 9 | Recreation | 1930 |
| Club Pond Dam | Low | Not Rated | 9 | Recreation | 1866 |
| Richardson Pond Dam | Low | Poor | 8 | Fish and Wildlife Pond | 1935 |
| Wadleigh Falls Dam | Undetermined | Poor | 13 | Recreation | 1906 |