Dams in Putnam County, New York
62Total Dams
21High Hazard
19Significant
Dam Safety in Putnam County, New York
Putnam County has 62 dams tracked in the National Inventory of Dams. Of these, 21 are classified as high hazard — meaning failure would probably cause loss of human life. Another 19 carry a significant hazard classification. Currently, 17 dams have a condition assessment of poor or unsatisfactory.
The average dam in Putnam County is 92 years old. The most common purpose is recreation. The tallest dam is Croton Falls Dam at 113 ft.
Explore more: Oldest dams in New York · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Croton Falls Dam | High | Satisfactory | 113 | Water Supply | 1910 |
| Middle Branch Dam | High | Satisfactory | 95 | Water Supply | 1878 |
| West Branch Dam | High | Satisfactory | 85 | Water Supply | 1895 |
| Boyds Corner Dam | High | Fair | 78 | Water Supply | 1872 |
| Sodom Dam | High | Satisfactory | 78 | Water Supply | 1892 |
| Cargill Reservoir Dam | High | Satisfactory | 75 | Water Supply | 1931 |
| Carmel Auxiliary Dike | High | Satisfactory | 64 | Water Supply | 1895 |
| Mountain Brook Dam | High | Satisfactory | 58 | Irrigation | 1997 |
| Diverting Reservoir Dam | High | Satisfactory | 54 | Water Supply | 1911 |
| Bog Brook Dam #1 | High | Satisfactory | 47 | Water Supply | 1893 |
| Lower (south) Wiccopee Dam | High | Poor | 45 | Water Supply | 1913 |
| Upper (north) Wiccopee Dam | High | Satisfactory | 34 | Water Supply | 1939 |
| Roaring Brook Dam | High | Fair | 25 | Recreation | 1959 |
| Perkins Estate Pond Dam | High | Poor | 25 | Recreation | 1927 |
| Cold Spring Dam (lower) | High | Poor | 25 | Water Supply | 1942 |
| Lake Carmel Dam | High | Poor | 25 | Recreation | 1930 |
| Putnam Lake Dam | High | Fair | 24 | Fire Protection, Stock, Or Small Fish Pond | 1931 |
| Bog Brook Dam #2 | High | Satisfactory | 24 | Water Supply | 1936 |
| Cold Spring Dam (upper) | High | Poor | 23 | Water Supply | 1934 |
| Lake Peekskill Dam | High | Poor | 16 | Recreation | 1928 |
| Marcell Roth Lake Dam | High | Satisfactory | 12 | Recreation | 1955 |
| Pelton Pond Dam | Significant | Poor | 41 | Other | 1939 |
| Lake Macgregor Dam | Significant | Satisfactory | 38 | Recreation | 1955 |
| Kirk Lake Dam | Significant | Satisfactory | 28 | Recreation | 1871 |
| Sagamore Lake Dam | Significant | Satisfactory | 22 | Recreation | 1946 |
| Ryder Lake Dam | Significant | Poor | 21 | Recreation | 1955 |
| Colt Estate Dam | Significant | Not Rated | 20 | Recreation | 1908 |
| Lake Valhalla Dam | Significant | Poor | 19 | Recreation | 1928 |
| Frederick W Cook Dam | Significant | Poor | 16 | Irrigation | |
| Lake Casse Dam | Significant | Poor | 14 | Recreation | 1953 |
| White Pond Dam | Significant | Not Rated | 12 | Recreation | 1899 |
| South Lake Dam (lower) | Significant | Poor | 12 | Recreation | 1921 |
| South Lake Dam (upper) | Significant | Poor | 12 | Recreation | 1921 |
| South Lake Dam (middle) | Significant | Poor | 12 | Recreation | 1921 |
| Camp Herrlich Dam | Significant | Fair | 12 | Recreation | 1981 |
| Loch Lyall Dam | Significant | Poor | 11 | Recreation | 1950 |
| Upper Teakettle Spout Lake Dam | Significant | Poor | 11 | Recreation | 1950 |
| Lake Mahopac Dam | Significant | Satisfactory | 9 | Recreation | 1940 |
| Floradan Estates Dam | Significant | Not Rated | 8 | Recreation | 1982 |
| Continental Village Dam | Significant | Poor | 8 | Recreation | |
| Stillwater Pond Dam | Low | Not Rated | 42 | Water Supply | 1939 |
| John Allen Pond Dam | Low | Not Rated | 22 | Recreation | 1935 |
| Leland Ryder Lake Dam | Low | Not Rated | 21 | Recreation | 1965 |
| Rihm & Kittel Dam | Low | Not Rated | 20 | Recreation | 1956 |
| Canopus Lake North End Dam | Low | Not Rated | 20 | Other | 1972 |
| Juengst Dam | Low | Not Rated | 16 | Recreation | 1886 |
| Lower Lake Nimham Dam | Low | Not Rated | 16 | Recreation | 1968 |
| Clover Lake Estates Dam | Low | Not Rated | 16 | Recreation | |
| David Ulmar Pond Dam | Low | Not Rated | 15 | Recreation | 1953 |
| Levine Lake Dam A | Low | Not Rated | 15 | Fire Protection, Stock, Or Small Fish Pond | 1961 |
| Lake Gilead Dam | Low | Not Rated | 15 | Recreation | |
| Seven Hills Realty Co Inc Dam | Low | Not Rated | 15 | Recreation | 1957 |
| Drew Lake Dam | Low | Not Rated | 13 | Recreation | 1835 |
| Barrett Pond Dam | Low | Not Rated | 13 | Recreation | 1920 |
| China Pond Dam | Low | Not Rated | 13 | Recreation | 1927 |
| Duck Pond Dam A & B | Low | Not Rated | 13 | Other | 1971 |
| Lake Surprise Dam | Low | Not Rated | 10 | Recreation | |
| Lost Lake Dam & Dike | Low | Not Rated | 10 | Recreation | 1977 |
| Lake Tibet Dam | Low | Not Rated | 8 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Levine Lake Dam B (dike) | Low | Not Rated | 8 | Recreation | 1961 |
| East Mountain Lake Dam | Low | Not Rated | 7 | Recreation | 1932 |
| Wonder Lake Dam | Low | Not Rated | 7 | Recreation | 1950 |