Dams in Passaic County, New Jersey
85Total Dams
50High Hazard
21Significant
Dam Safety in Passaic County, New Jersey
Passaic County has 85 dams tracked in the National Inventory of Dams. Of these, 50 are classified as high hazard — meaning failure would probably cause loss of human life. Another 21 carry a significant hazard classification. Currently, 19 dams have a condition assessment of poor or unsatisfactory.
The average dam in Passaic County is 103 years old. The most common purpose is recreation. The tallest dam is Monksville Dam at 150 ft.
Explore more: Oldest dams in New Jersey · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Monksville Dam | High | Satisfactory | 150 | Water Supply | 1986 |
| Raymond Dam | High | Satisfactory | 103 | Water Supply | 1928 |
| Great Notch Reservoir Dam | High | Satisfactory | 74 | Water Supply | 1898 |
| Green Swamp #4 Dam | High | Satisfactory | 65 | Water Supply | 1925 |
| Green Swamp #2 Dam | High | Satisfactory | 65 | Water Supply | 1925 |
| Midvale Dam | High | Satisfactory | 61 | Water Supply | 1928 |
| Oak Ridge Reservoir Dam | High | Poor | 60 | Water Supply | 1892 |
| Clinton Reservoir Dam | High | Fair | 56 | Water Supply | 1894 |
| Point View Dam | High | Satisfactory | 55 | Recreation | 1964 |
| Cedar Grove North Res Dam | High | Fair | 51 | Water Supply | 1903 |
| Pines Lake Dam | High | Satisfactory | 42 | Recreation | 1927 |
| Wolf Den Dam | High | Satisfactory | 42 | Recreation | 1927 |
| Highland Lake Dam | High | Satisfactory | 40 | Recreation | 1947 |
| Cupsaw Lake Dam | High | Poor | 35 | Recreation | 1930 |
| Green Turtle Pond Dam | High | Fair | 35 | Recreation | |
| Echo Lake Intake Dam | High | Fair | 32 | Water Supply | 1926 |
| Overflow Weir Dam | High | Satisfactory | 30 | Water Supply | 1928 |
| Pompton Lakes Dam | High | Satisfactory | 30 | Water Supply | 1908 |
| Green Swamp #1 Dam | High | Satisfactory | 29 | Water Supply | 1926 |
| Lionshead Lake Dam | High | Poor | 27 | Recreation | 1939 |
| River Wall Dam | High | Poor | 26 | Recreation | 1961 |
| New Street Reservoir Dam | High | Fair | 26 | Water Supply | 1925 |
| Haledon Reservoir Dam | High | Satisfactory | 25 | Other | 1919 |
| Lindy's Lake Dam | High | Satisfactory | 24 | Recreation | |
| Skyline Lake #2 (upper) Dam | High | Satisfactory | 24 | Recreation | 1946 |
| Lake Arcadia Dam #1 | High | Poor | 22 | Recreation | 1926 |
| High Crest Lake Dam | High | Poor | 22 | Recreation | 1952 |
| Echo Lake Spillway Dam | High | Fair | 22 | Water Supply | 1926 |
| Furnace Road Dam | High | Satisfactory | 20 | Water Supply | 1928 |
| Erskine Upper Lake Dam | High | Fair | 20 | Recreation | 1932 |
| Upper Greenwood Lake Dam | High | Satisfactory | 20 | Recreation | 1932 |
| Oldham Pond Dam | High | Satisfactory | 18 | Water Supply | 1849 |
| Green Swamp #3 Dam | High | Satisfactory | 18 | Water Supply | 1926 |
| Irish Brook Dam | High | Satisfactory | 17 | Recreation | 1923 |
| Greenwood Lake Dam | High | Poor | 17 | Recreation | 1928 |
| West Milford Lake Dam | High | Poor | 16 | Recreation | 1929 |
| Skyline Lake #1 (lower) Dam | High | Satisfactory | 16 | Recreation | 1947 |
| Post Brook Dam | High | Satisfactory | 15 | Recreation | 1923 |
| Packanack Lake Dam | High | Fair | 15 | Recreation | 1921 |
| Preakness Hills C.c. Dam No. 1 | High | Satisfactory | 15 | Recreation | |
| Sallys Pond Dam | High | Fair | 15 | Recreation | |
| Pinecliff Lake Dam | High | Fair | 15 | Recreation | 1927 |
| Lower Mount Glen Lake Dam | High | Fair | 15 | Recreation | 1927 |
| New Jersey No Name # 40 Dam | High | Poor | 15 | Recreation | |
| Kampfe Lake Dam | High | Satisfactory | 13 | Recreation | 1897 |
| Gordon Lakes Dam | High | Satisfactory | 12 | Recreation | |
| Lookover Lake Dam | High | Satisfactory | 12 | Recreation | |
| Star Lake Upper Dam | High | Satisfactory | 11 | Recreation | 1900 |
| Upper Mount Glen Lake Dam | High | Poor | 8 | Recreation | 1927 |
| Core Wall Dam | High | Poor | 7 | Recreation | |
| Apshawa Main Dam | Significant | Satisfactory | 22 | Recreation | 1912 |
| Forest Hill Park Dam | Significant | Satisfactory | 22 | Recreation | |
| Glen Wild Lake Dam | Significant | Fair | 21 | Recreation | 1918 |
| Barbours Pond Dam | Significant | Fair | 20 | Recreation | 1888 |
| Lake Arcadia Dam #2 | Significant | Poor | 18 | Recreation | 1926 |
| Apshawa Auxiliary Dam | Significant | Satisfactory | 16 | Recreation | |
| Cold Spring Lake Dam | Significant | Satisfactory | 16 | Recreation | 1890 |
| Kitchell Lake Dam | Significant | Satisfactory | 14 | Recreation | 1952 |
| Hanks Pond Dam | Significant | Fair | 14 | Recreation | 1900 |
| Barbour Mill Dam | Significant | Poor | 13 | Flood Risk Reduction | 1890 |
| Carpi Lake Dam | Significant | Satisfactory | 12 | Recreation | 1938 |
| Stephens Lake Dam | Significant | Fair | 12 | Recreation | |
| Levine Reservoir Dam | Significant | Fair | 10 | Water Supply | |
| Henion Pond Dam | Significant | Fair | 10 | Recreation | 1926 |
| Lake Erskine Dam | Significant | Satisfactory | 10 | Recreation | 1930 |
| Lower Twin Lakes Dam | Significant | Satisfactory | 10 | Recreation | 1927 |
| Nosenzo Pond Dam | Significant | Satisfactory | 9 | Recreation | 1927 |
| Bubbling Springs Lower Pond Dam | Significant | Poor | 8 | Recreation | |
| Weasel Brook Park Dam | Significant | Satisfactory | 6 | Recreation | |
| Lower Crest Lake Dam | Significant | Poor | 0 | Recreation | |
| Upper Crest Lake Dam | Significant | Poor | 0 | Recreation | |
| Lake Sonoma Dam | Low | 24 | Recreation | 1948 | |
| Pompton Dam | Low | Fair | 22 | Recreation | |
| Shepherd Lake Dam | Low | Satisfactory | 18 | Recreation | |
| Dundee | Low | Satisfactory | 16 | Hydroelectric | 1854 |
| Mount Laurel Lake Dam | Low | 15 | Recreation | 1930 | |
| Harrison Mountain Lake Dam | Low | 15 | Recreation | 1930 | |
| Morse Lake Dam | Low | Satisfactory | 14 | Recreation | |
| Lake Riconda Dam | Low | Satisfactory | 14 | Recreation | 1937 |
| Great Falls | Low | Satisfactory | 12 | Hydroelectric | 1840 |
| Beatties Mill Dam | Low | Satisfactory | 12 | Hydroelectric | 1932 |
| Lake Washington Dam | Low | Unsatisfactory | 11 | Recreation | 1930 |
| Weavers Pond Dam | Low | 8 | Recreation | ||
| Cedar Pond Dam | Low | Poor | 8 | Water Supply | 1920 |
| Upper Twin Lakes Dam | Low | Poor | 7 | Recreation |