Dams in Monmouth County, New Jersey
44Total Dams
12High Hazard
15Significant
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Glendola Reservoir Dam | High | Satisfactory | 65 | Water Supply | 1961 |
| Manasquan Reservoir Dam | High | Satisfactory | 53 | Water Supply | 1990 |
| Swimming River Reservoir Dam | High | Satisfactory | 45 | Water Supply | 1901 |
| Assunpink #18 Dam | High | Poor | 38 | Flood Risk Reduction | |
| Assunpink #4 Dam | High | Poor | 24 | Flood Risk Reduction | |
| Millhurst Lake Dam | High | Satisfactory | 23 | Recreation | 1915 |
| Matawan Lake Dam | High | Poor | 20 | Recreation | 1923 |
| Lake Topanemus Dam | High | Fair | 20 | Recreation | 1915 |
| Allentown Dam | High | Satisfactory | 18 | Recreation | |
| Lake Lefferts Dam | High | Poor | 16 | Recreation | 1928 |
| Lake Louise Dam | High | Satisfactory | 14 | Recreation | |
| Echo Lake Dam | High | Satisfactory | 8 | ||
| Assunpink #19 Dam | Significant | Fair | 36 | Recreation | |
| Imlaystown Lake Dam | Significant | Poor | 20 | Fire Protection, Stock, Or Small Fish Pond | 1925 |
| Perrineville Dam | Significant | Poor | 17 | Recreation | |
| Indian Dam | Significant | Poor | 17 | Water Supply | 1937 |
| Shadow Lake Dam | Significant | Poor | 16 | Recreation | 1931 |
| Red Valley Dam | Significant | Poor | 15 | Recreation | 1927 |
| Old Mill Pond Dam | Significant | Satisfactory | 15 | Recreation | 1948 |
| Brisbane Lake Dam | Significant | Poor | 14 | Recreation | |
| Manalapan Brook Pond Dam | Significant | Poor | 14 | Recreation | 1924 |
| Bucks Mill Dam | Significant | Poor | 13 | Recreation | 1950 |
| Englishtown Lake Dam | Significant | Poor | 13 | Recreation | 1959 |
| Osborns Mills Dam | Significant | Poor | 12 | Recreation | |
| Hurley Pond Dam | Significant | Poor | 6 | Recreation | 1915 |
| Upper Pond Dam | Significant | Fair | 0 | Recreation | |
| Navesink River Road Dam | Significant | Poor | 0 | Recreation | |
| Marlu Lake Dam | Low | Fair | 29 | Irrigation | 1965 |
| Cream Ridge Dam | Low | 24 | Irrigation | 1971 | |
| Wreck Pond Dam | Low | 20 | Recreation | ||
| Dawns Dam | Low | Satisfactory | 20 | Irrigation | 1950 |
| New Jersey No Name # 57 Dam | Low | Poor | 17 | Recreation | |
| Wickapecko Dam | Low | 13 | Recreation | 1915 | |
| Tinton Manor Dam | Low | 13 | Recreation | ||
| Assunpink #5 Dam | Low | Satisfactory | 13 | Flood Risk Reduction | |
| New Jersey No Name # 110 Dam | Low | 12 | Irrigation | ||
| Deal Lake Dam | Low | 11 | Recreation | ||
| Jumping Brook Dam | Low | Satisfactory | 10 | Water Supply | 1907 |
| Stabilization/leveling Pond Dam | Low | Satisfactory | 10 | Water Supply | 1975 |
| New Jersey No Name # 82 Dam | Low | 10 | Irrigation | ||
| Franklin Lake Dam | Low | Poor | 10 | Recreation | |
| Wetland Area I-2 Dam | Low | Satisfactory | 9 | Other | 1990 |
| Poricy Dam | Low | 8 | Recreation | ||
| New Jersey No Name # 109 Dam | Low | Satisfactory | 8 | Recreation | 1950 |