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 assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1898 |
| Tamarack Pond Dam | Significant | Poor | 12 | Water Supply | |
| Martin Lake Dam (right) | Significant | Not assessed | 12 | Recreation | 1929 |
| Martin Lake Dam (left) | Significant | Not assessed | 12 | Recreation | 1929 |
| Monhagen Lake Dam | Significant | Fair | 12 | Water Supply | 1867 |
| Cahoonzie Lake Dam | Significant | Not assessed | 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 assessed | 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 assessed | 9 | Recreation | 1912 |
| Walton Lake Dam | Significant | Satisfactory | 8 | Recreation | 1912 |
| Mcdole Mill Pond Dam | Significant | Poor | 7 | Other | |
| Lake Arkin Dam | Significant | Not assessed | 7 | Other | |
| Upper Warwick Dam | Low | Fair | 40 | Water Supply | 1912 |
| Turkey Hill Dam | Low | Not assessed | 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 assessed | 30 | Water Supply | 1933 |
| Salisbury Mills Dam | Low | Not assessed | 29 | Hydroelectric | 1922 |
| Lake Askoti Dam | Low | Not assessed | 28 | Recreation | 1935 |
| Builders Land Company Dam | Low | Not assessed | 25 | Recreation | 1928 |
| Petker & Cohen Dam | Low | Not assessed | 25 | Recreation | 1939 |
| Barnes Dam | Low | Not assessed | 24 | Recreation | 1934 |
| Lake Skannatati Dams a B & C | Low | Not assessed | 24 | Recreation | 1945 |
| Muchattoes Lake Dam | Low | Not assessed | 23 | Recreation | 1912 |
| Queensboro Lake Dam | Low | Not assessed | 22 | Recreation | 1924 |
| Storm King Art Center Dam | Low | Not assessed | 22 | Other | 2001 |
| Massawippa Lake Dam | Low | Not assessed | 22 | Recreation | 1934 |
| Upper Wee-wah Lake Dam | Low | Not assessed | 20 | Recreation | 1895 |
| Cuddebackville Dam | Low | Not assessed | 17 | Recreation | 1915 |
| Mill Pond Dam | Low | Not assessed | 17 | Recreation | 1783 |
| Bear Swamp Reservoir Dam | Low | Not assessed | 17 | Water Supply | 1914 |
| Forest Lake Dam | Low | Not assessed | 15 | Recreation | |
| Sterling Lake Dam | Low | Not assessed | 15 | Recreation | 1910 |
| Lake Georgena | Low | Unsatisfactory | 15 | 1913 | |
| Cranberry Lake Dam | Low | Not assessed | 14 | Recreation | |
| Stanley Kogut Dam | Low | Not assessed | 14 | Recreation | 1965 |
| Ross Burkhardt Dam | Low | Not assessed | 14 | Recreation | 1969 |
| Middletown Reservoir Dam | Low | Not assessed | 14 | Other | 1925 |
| Monroe Recreation Lake Dam | Low | Not assessed | 14 | Recreation | 1936 |
| Summit Lake Dam | Low | Not assessed | 13 | Recreation | 1873 |
| Arrow Park Rec Dam | Low | Not assessed | 13 | Recreation | 1911 |
| Echo Lake Dam | Low | Not assessed | 12 | Recreation | 1880 |
| Frank D Cuddeback Pond Dam | Low | Not assessed | 12 | Recreation | 1964 |
| Silver Lake Dam | Low | Not assessed | 12 | Recreation | 1923 |
| Diamond Lake Dam | Low | Not assessed | 11 | Recreation | 1956 |
| Boehmler Pond Dam | Low | Not assessed | 10 | Water Supply | |
| Lake Hawthorne Dam | Low | Not assessed | 10 | Recreation | 1927 |
| Rock Tavern Dam | Low | Not assessed | 10 | Fish and Wildlife Pond | |
| Windy Wes Golf Course Dam | Low | Not assessed | 10 | Recreation | 1990 |
| Nawahunta Dam | Low | Not assessed | 10 | Recreation | 1915 |
| Brooks Hollow Dam | Low | Not assessed | 10 | Other | |
| Weyants Pond | Low | Unsatisfactory | 10 | ||
| Lamson Dike | Low | Not assessed | 9 | Water Supply | 1925 |
| Rushmore Estates Dam | Low | Not assessed | 9 | Flood Risk Reduction | |
| Hessian Lake Dam | Low | Not assessed | 9 | Recreation | |
| Bashakill Wildlife Management Area Dam | Low | Not assessed | 8 | Fish and Wildlife Pond | 1989 |
| Monroe Reservoir Dam | Low | Not assessed | 8 | Recreation | |
| Ridgebury Lake Dam | Low | Not assessed | 7 | Recreation | 1920 |
| Wilkins Pond | Low | Unsatisfactory | 7 | Recreation |