Dams in Morris County, New Jersey
109Total Dams
42High Hazard
45Significant
Dam Safety in Morris County, New Jersey
Morris County has 109 dams tracked in the National Inventory of Dams. Of these, 42 are classified as high hazard — meaning failure would probably cause loss of human life. Another 45 carry a significant hazard classification. Currently, 34 dams have a condition assessment of poor or unsatisfactory.
The average dam in Morris County is 102 years old. The most common purpose is recreation. The tallest dam is Boonton Dam at 120 ft.
Explore more: Oldest dams in New Jersey · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Boonton Dam | High | Satisfactory | 120 | Water Supply | 1905 |
| Charlotteburg Dam | High | Satisfactory | 102 | Water Supply | 1961 |
| Clyde Potts Reservoir Dam | High | Fair | 80 | Water Supply | 1932 |
| Split Rock Pond Dam | High | Satisfactory | 39 | Water Supply | 1948 |
| Hackettstown Res. Dam | High | Poor | 38 | Water Supply | |
| Pleasant Valley Lake Dam | High | Satisfactory | 35 | Recreation | 1933 |
| Powder Mill Pond Dam | High | Poor | 35 | Recreation | |
| Macopin Reservoir Dam | High | Poor | 34 | Water Supply | 1892 |
| Kakeout Dam | High | Satisfactory | 30 | Water Supply | 1938 |
| Parsippany Dike | High | Satisfactory | 30 | Water Supply | 1905 |
| Yardley Road Lake Dam | High | Fair | 30 | Flood Risk Reduction | |
| Jaqui Mill Dam | High | Poor | 27 | Flood Risk Reduction | 1920 |
| Mount Paul Dam | High | Satisfactory | 26 | Recreation | 1918 |
| Untermeyer Dam | High | Satisfactory | 23 | Recreation | 1927 |
| Longwood Lake Dam | High | Poor | 22 | Recreation | 1898 |
| Fox Lake Dam | High | Satisfactory | 22 | Recreation | 1926 |
| Donald R. Wheeler (surprise Lake) Dam | High | Satisfactory | 22 | Recreation | 1909 |
| Birchwood Lake Dam | High | Poor | 20 | Recreation | |
| Lake Estling Dam | High | Poor | 19 | Recreation | 1870 |
| Valhalla Lake Dam | High | Poor | 18 | Recreation | 1910 |
| Mount Hope Lake Dam | High | Satisfactory | 18 | Recreation | 1944 |
| Lake Hopatcong Dam | High | Poor | 17 | Flood Risk Reduction | 1925 |
| Saxton Falls Dam | High | Poor | 16 | Recreation | 1927 |
| Crystal Lake Dam | High | Satisfactory | 16 | Recreation | |
| Lake Winona Dam | High | Poor | 15 | Recreation | 1950 |
| Mountain Lake Dam | High | Satisfactory | 15 | Recreation | |
| Swannanoa Lake #1 (south) Dam | High | Satisfactory | 15 | Recreation | 1914 |
| White Meadow Lake Dam | High | Satisfactory | 15 | Recreation | |
| Picatinny Lake | High | Fair | 15 | Water Supply | 1904 |
| Speedwell Dam | High | Satisfactory | 14 | Recreation | 1939 |
| Lake Musconetcong Dam | High | Satisfactory | 14 | Flood Risk Reduction | 1933 |
| Kakeout Dike | High | Satisfactory | 13 | Water Supply | |
| Lake Parsippany Dam | High | Satisfactory | 13 | Recreation | 1933 |
| Wildwood Lake Dam | High | Satisfactory | 13 | Recreation | |
| Shongum Lake Dam | High | Satisfactory | 12 | Recreation | 1923 |
| Lake Denmark | High | Poor | 12 | Water Supply | 1904 |
| Pocahontas Dam | High | Satisfactory | 11 | Recreation | 1920 |
| Rainbow Lakes Dam | High | Fair | 11 | Recreation | |
| Swannanoa Lake #2 (north) Dam | High | Satisfactory | 11 | Recreation | 1914 |
| Sunset Lake Dam | High | Poor | 8 | Recreation | 1914 |
| Lake Parsippany West Dike #1 | High | Satisfactory | 8 | Recreation | 1933 |
| Lake Parsippany East Dike No. 2 | High | Satisfactory | 5 | Recreation | 1933 |
| Mt. Kemble Lake Dam | Significant | Satisfactory | 36 | Recreation | 1928 |
| Mcvicker's Brook Dam | Significant | Poor | 32 | Recreation | |
| George Lake Dam | Significant | Poor | 30 | Recreation | 1909 |
| Mine Hill Reservoir Dam | Significant | Poor | 30 | Water Supply | 1896 |
| Saffin Pond Dam | Significant | Fair | 24 | Recreation | 1930 |
| Rickabear Dam | Significant | Satisfactory | 22 | Recreation | 1954 |
| Openaka Lake Dam | Significant | Poor | 20 | Recreation | 1750 |
| Cantys Lake Dam | Significant | Satisfactory | 20 | Recreation | 1928 |
| Van Dorans Mill Dam | Significant | Satisfactory | 18 | Recreation | 1943 |
| Old Morris Canal Dam | Significant | Satisfactory | 18 | Recreation | 1932 |
| Sunrise Lake Dam | Significant | Satisfactory | 18 | Recreation | 1930 |
| Morris County Ymca Dam | Significant | Satisfactory | 18 | Recreation | 1928 |
| Rockaway Townsquare Mall Dam | Significant | Satisfactory | 17 | Flood Risk Reduction | |
| Fayson Lakes (east) Dam | Significant | Satisfactory | 17 | Recreation | 1926 |
| Boonton Reservoir Dam | Significant | Satisfactory | 15 | Water Supply | 1900 |
| Mt. Hope Pond Dam | Significant | Poor | 15 | Recreation | 1930 |
| Fayson Lakes (west) Dam | Significant | Satisfactory | 15 | Recreation | 1922 |
| Kinnelon (maple) Dam | Significant | Poor | 14 | Recreation | 1928 |
| Lake Reality Dam | Significant | Poor | 14 | Recreation | 1940 |
| Cedar Lake Dam | Significant | Satisfactory | 13 | Recreation | 1925 |
| St. Mary's Abbey Lower Dam | Significant | Poor | 13 | Recreation | |
| Eden Mill Dam | Significant | Poor | 12 | Water Supply | |
| Leddell's Pond Dam | Significant | Satisfactory | 12 | Recreation | |
| Lake Juliet Dam | Significant | Poor | 12 | Recreation | 1919 |
| Saunders Fish Pond Dam | Significant | Poor | 12 | Recreation | |
| Decozen's Dam | Significant | Satisfactory | 11 | Recreation | 1954 |
| Lake Telemark Dam | Significant | Satisfactory | 11 | Recreation | 1924 |
| Rock Ridge Lake Dam | Significant | Poor | 10 | Recreation | 1949 |
| Washington Forge Pond Dam | Significant | Satisfactory | 10 | Recreation | 1890 |
| Moose Pac Lake Dam | Significant | Poor | 10 | Recreation | 1918 |
| Mountain Valley Park Dam | Significant | Satisfactory | 10 | Recreation | 1950 |
| Lake Shawnee Dam | Significant | Poor | 9 | Recreation | |
| Lake Ames Dam | Significant | Poor | 9 | Recreation | 1934 |
| Camp Nyoda Dam | Significant | Satisfactory | 9 | Recreation | 1912 |
| Lake Arrowhead Dam | Significant | Satisfactory | 8 | Recreation | 1925 |
| Cooks Pond Dam | Significant | Satisfactory | 8 | Recreation | 1945 |
| Burnham Park Lower Dam | Significant | Poor | 8 | Recreation | |
| Fayson Lakes (south) Dam | Significant | Satisfactory | 8 | Recreation | 1938 |
| Derrygally Pond Dam | Significant | Satisfactory | 8 | Recreation | |
| Valle Estate At Chatham Dam | Significant | Satisfactory | 7 | Recreation | |
| Terrace Lake Dam | Significant | Satisfactory | 7 | Recreation | |
| Ledgewood Pond Dam | Significant | Satisfactory | 7 | Recreation | |
| Upper Garden Reservoir Dam | Significant | Satisfactory | 6 | Recreation | |
| Manor Lake Dam | Significant | Satisfactory | 5 | ||
| Suntan Lake Dam | Significant | 0 | |||
| Chester Pond Dam | Low | Satisfactory | 28 | Flood Risk Reduction | 1993 |
| Cifrese Dam | Low | Satisfactory | 26 | Flood Risk Reduction | |
| Peapack-gladstone Res Dam | Low | Poor | 26 | Water Supply | |
| Indian Lake Dam | Low | Satisfactory | 19 | Recreation | 1921 |
| Deer Pond Dam | Low | Satisfactory | 17 | Recreation | 1930 |
| Stickle Pond Dam | Low | 17 | Recreation | ||
| Dalrymple Pond Dam | Low | Fair | 16 | Irrigation | |
| Holstein Lake Dam | Low | 15 | Recreation | 1875 | |
| Silver Lake Dam | Low | 15 | Recreation | ||
| Green Pond Reservoir Dam | Low | 15 | Recreation | ||
| Lake Lenore Dam | Low | Poor | 12 | Recreation | |
| Lake Morski Oko Dam | Low | Satisfactory | 12 | Recreation | 1953 |
| New Jersey No Name # 71 Dam | Low | Fair | 12 | Recreation | 1901 |
| Cherokee Lake Dam | Low | Satisfactory | 11 | Recreation | 1948 |
| Durham Pond Dam | Low | Poor | 11 | Recreation | |
| Emma Lake Dam | Low | Poor | 10 | Flood Risk Reduction | |
| Dixons Pond Dam | Low | Poor | 10 | Recreation | |
| Wildcat Ridge Wma Dam | Low | 10 | Recreation | ||
| Griffith Dam | Low | 9 | Recreation | ||
| Wildwood Dike | Low | Satisfactory | 8 | Water Supply | |
| Cozy Lake Dam | Low | Satisfactory | 8 | Recreation | 1924 |
| New Jersey No Name # 56 Dam | Low | Satisfactory | 7 | Flood Risk Reduction | 1960 |