Dams in Orange County, New York
115Total Dams
34High Hazard
33Significant
Dam Safety in Orange County, New York
Orange County has 115 dams tracked in the National Inventory of Dams. Of these, 34 are classified as high hazard — meaning failure would probably cause loss of human life. Another 33 carry a significant hazard classification. Currently, 30 dams have a condition assessment of poor or unsatisfactory.
The average dam in Orange County is 103 years old. The most common purpose is recreation. The tallest dam is Stillwell at 62 ft.
Explore more: Oldest dams in New York · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Stillwell | High | Unsatisfactory | 62 | Water Supply | 1948 |
| Port Jervis Reservoir #2 Dam | High | Fair | 41 | Water Supply | 1880 |
| Chadwick Lake Dam | High | Satisfactory | 37 | Recreation | 1926 |
| Goshen Reservoir #1 Dam | High | Poor | 37 | Water Supply | 1963 |
| Silver Stream Reservoir Dam | High | Satisfactory | 36 | Water Supply | 1923 |
| Port Jervis Reservoir #3 Dam | High | Fair | 35 | Water Supply | 1900 |
| Beaver Dam Lake Dam | High | Satisfactory | 35 | Other | 1913 |
| Lake Frederick | High | Poor | 35 | Recreation | 1911 |
| Cornwall Upper Reservoir Dam | High | Satisfactory | 33 | Water Supply | 1912 |
| Lower Warwick Dam | High | Fair | 33 | Water Supply | 1887 |
| Greenleaf Dike | High | Fair | 32 | Water Supply | 1925 |
| Popolopen Lake | High | Poor | 32 | Water Supply | |
| Highland Lake Dam | High | Fair | 30 | Water Supply | 1920 |
| Woodward Dam | High | Fair | 30 | Water Supply | 1901 |
| Lower Wee-wah Lake Dam | High | Satisfactory | 30 | Recreation | 1890 |
| Lusk Reservior | High | Poor | 30 | Water Supply | 1895 |
| Sterling Forest Lake Dam | High | Satisfactory | 30 | Recreation | 1953 |
| Arthurs Pond Dam | High | Satisfactory | 27 | Water Supply | 1920 |
| Earl Reservoir Dam | High | Fair | 26 | Recreation | 1912 |
| Ymca Camp Mcalister Dam | High | Poor | 26 | Recreation | 1955 |
| Tomahawk Lake Dam | High | Satisfactory | 25 | Recreation | 1929 |
| Lake Cohasset Upper Dam | High | Poor | 25 | Recreation | 1924 |
| Glenmere Lake Dam | High | Satisfactory | 24 | Recreation | 1880 |
| Lake Tiorati Dam | High | Satisfactory | 21 | Recreation | 1915 |
| Lake Cohasset Lower Dam | High | Fair | 21 | Recreation | 1924 |
| Port Jervis Reservoir #1 Dam | High | Fair | 20 | Water Supply | 1869 |
| Crystal Lake Dam | High | Poor | 20 | Recreation | 1937 |
| Monhagen Lake Dike | High | Fair | 20 | Water Supply | 1867 |
| Willow Brook Dam | High | Satisfactory | 20 | Recreation | 1924 |
| Delafield Pond | High | Unsatisfactory | 18 | Recreation | |
| Lake Stahahe Dam | High | Fair | 14 | Recreation | 1918 |
| Little Dam Lake Dam | High | Satisfactory | 12 | Recreation | 1897 |
| Port Jervis Reservoir #3 Dike | High | Fair | 12 | Water Supply | 1912 |
| Lower Cragston Lake | High | Unsatisfactory | 10 | Recreation | |
| Lake Te-ata Dam | Significant | Poor | 60 | Recreation | 1927 |
| Merriewold Lake Dam | Significant | Poor | 50 | Recreation | 1953 |
| Silver Mine Lake Dam | Significant | Poor | 36 | Recreation | 1934 |
| Washington Lake Dam | Significant | Satisfactory | 30 | Water Supply | 1909 |
| Highland Falls #2 Dam | Significant | Poor | 30 | Water Supply | 1909 |
| Bog Meadow Reservoir Dam | Significant | Fair | 29 | Water Supply | 1996 |
| Lake Skenonto Dam | Significant | Poor | 29 | Recreation | 1934 |
| Warwick Meadows Dam | Significant | Poor | 25 | Recreation | |
| Sky View Pond Dam | Significant | Poor | 24 | Recreation | 1952 |
| Aleck Meadow Reservoir Dam | Significant | Poor | 23 | Water Supply | 1956 |
| Indian Kill Reservoir Dam | Significant | Fair | 23 | Water Supply | 1958 |
| Mine Lake | Significant | Poor | 22 | Water Supply | 1845 |
| Borden Estate Dam | Significant | Poor | 18 | Fire Protection, Stock, Or Small Fish Pond | 1912 |
| Cascade Lake Dam | Significant | Satisfactory | 16 | Recreation | 1946 |
| Benedicts Pond Dam | Significant | Fair | 16 | Recreation | |
| Harrison Dam | Significant | Poor | 15 | Recreation | |
| Sphagnum Pond Dam | Significant | Poor | 15 | Water Supply | 1930 |
| Walden Pond Dam | Significant | Fair | 15 | Recreation | 1966 |
| Lake Pocatello Dam | Significant | Poor | 14 | Recreation | 1922 |
| Tuxedo Lake Dam | Significant | Not Rated | 14 | Fire Protection, Stock, Or Small Fish Pond | 1898 |
| Tamarack Pond Dam | Significant | Poor | 12 | Water Supply | |
| Martin Lake Dam (right) | Significant | Not Rated | 12 | Recreation | 1929 |
| Martin Lake Dam (left) | Significant | Not Rated | 12 | Recreation | 1929 |
| Monhagen Lake Dam | Significant | Fair | 12 | Water Supply | 1867 |
| Cahoonzie Lake Dam | Significant | Not Rated | 11 | Fire Protection, Stock, Or Small Fish Pond | 1956 |
| Stuts Dam | Significant | Poor | 10 | Fire Protection, Stock, Or Small Fish Pond | |
| Lake Hildegarde Dam | Significant | Not Rated | 10 | Fire Protection, Stock, Or Small Fish Pond | 1929 |
| Brooks Lake Dam | Significant | Fair | 10 | Fire Protection, Stock, Or Small Fish Pond | |
| Lily Pond Dam | Significant | Fair | 10 | Other | 1949 |
| Dormans Pond Dam | Significant | Not Rated | 9 | Recreation | 1912 |
| Walton Lake Dam | Significant | Satisfactory | 8 | Recreation | 1912 |
| Mcdole Mill Pond Dam | Significant | Poor | 7 | Other | |
| Lake Arkin Dam | Significant | Not Rated | 7 | Other | |
| Upper Warwick Dam | Low | Fair | 40 | Water Supply | 1912 |
| Turkey Hill Dam | Low | Not Rated | 39 | Recreation | 1933 |
| Middle Warwick Dam | Low | Fair | 35 | Water Supply | 1912 |
| Guymard Lake Dam | Low | Poor | 35 | Recreation | 1858 |
| Walden | Low | Satisfactory | 32 | Hydroelectric | 1909 |
| Goshen Reservoir #2 Dam | Low | Not Rated | 30 | Water Supply | 1933 |
| Salisbury Mills Dam | Low | Not Rated | 29 | Hydroelectric | 1922 |
| Lake Askoti Dam | Low | Not Rated | 28 | Recreation | 1935 |
| Builders Land Company Dam | Low | Not Rated | 25 | Recreation | 1928 |
| Petker & Cohen Dam | Low | Not Rated | 25 | Recreation | 1939 |
| Barnes Dam | Low | Not Rated | 24 | Recreation | 1934 |
| Lake Skannatati Dams A B & C | Low | Not Rated | 24 | Recreation | 1945 |
| Muchattoes Lake Dam | Low | Not Rated | 23 | Recreation | 1912 |
| Queensboro Lake Dam | Low | Not Rated | 22 | Recreation | 1924 |
| Storm King Art Center Dam | Low | Not Rated | 22 | Other | 2001 |
| Massawippa Lake Dam | Low | Not Rated | 22 | Recreation | 1934 |
| Upper Wee-wah Lake Dam | Low | Not Rated | 20 | Recreation | 1895 |
| Cuddebackville Dam | Low | Not Rated | 17 | Recreation | 1915 |
| Mill Pond Dam | Low | Not Rated | 17 | Recreation | 1783 |
| Bear Swamp Reservoir Dam | Low | Not Rated | 17 | Water Supply | 1914 |
| Forest Lake Dam | Low | Not Rated | 15 | Recreation | |
| Sterling Lake Dam | Low | Not Rated | 15 | Recreation | 1910 |
| Lake Georgena | Low | Unsatisfactory | 15 | 1913 | |
| Cranberry Lake Dam | Low | Not Rated | 14 | Recreation | |
| Stanley Kogut Dam | Low | Not Rated | 14 | Recreation | 1965 |
| Ross Burkhardt Dam | Low | Not Rated | 14 | Recreation | 1969 |
| Middletown Reservoir Dam | Low | Not Rated | 14 | Other | 1925 |
| Monroe Recreation Lake Dam | Low | Not Rated | 14 | Recreation | 1936 |
| Summit Lake Dam | Low | Not Rated | 13 | Recreation | 1873 |
| Arrow Park Rec Dam | Low | Not Rated | 13 | Recreation | 1911 |
| Echo Lake Dam | Low | Not Rated | 12 | Recreation | 1880 |
| Frank D Cuddeback Pond Dam | Low | Not Rated | 12 | Recreation | 1964 |
| Silver Lake Dam | Low | Not Rated | 12 | Recreation | 1923 |
| Diamond Lake Dam | Low | Not Rated | 11 | Recreation | 1956 |
| Boehmler Pond Dam | Low | Not Rated | 10 | Water Supply | |
| Lake Hawthorne Dam | Low | Not Rated | 10 | Recreation | 1927 |
| Rock Tavern Dam | Low | Not Rated | 10 | Fish and Wildlife Pond | |
| Windy Wes Golf Course Dam | Low | Not Rated | 10 | Recreation | 1990 |
| Nawahunta Dam | Low | Not Rated | 10 | Recreation | 1915 |
| Brooks Hollow Dam | Low | Not Rated | 10 | Other | |
| Weyants Pond | Low | Unsatisfactory | 10 | ||
| Lamson Dike | Low | Not Rated | 9 | Water Supply | 1925 |
| Rushmore Estates Dam | Low | Not Rated | 9 | Flood Risk Reduction | |
| Hessian Lake Dam | Low | Not Rated | 9 | Recreation | |
| Bashakill Wildlife Management Area Dam | Low | Not Rated | 8 | Fish and Wildlife Pond | 1989 |
| Monroe Reservoir Dam | Low | Not Rated | 8 | Recreation | |
| Ridgebury Lake Dam | Low | Not Rated | 7 | Recreation | 1920 |
| Wilkins Pond | Low | Unsatisfactory | 7 | Recreation |