New Jersey Dams
830 dams tracked by the National Inventory of Dams
Total Dams
830
High Hazard
232
28%
Poor / Unsatisfactory
233
Average Age
95 yrs
Hazard Classification
High232 (28.0%)
Significant332 (40.0%)
Low266 (32.0%)
Condition Assessment
Satisfactory373 (44.9%)
Fair112 (13.5%)
Poor / Unsatisfactory233 (28.1%)
Not Rated112 (13.5%)
Federal
21
State
126
Local
287
Private
393
Tallest Dams
- Merrill Creek Main Dam280 ft
- Round Valley South Dam178 ft
- Monksville Dam150 ft
- Round Valley North Dam135 ft
- Boonton Dam120 ft
High Hazard Dams
Poor Condition Dams
All Dams in New Jersey
Showing 51–75 of 112
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Kettle Run Dam Burlington County | 14 | 1885 | Low | Fair |
| K-L-P Dam Salem County | 20 | 1963 | Significant | Fair |
| Lake Carasaljo Dam Ocean County | 16 | 1870 | High | Fair |
| Lake Cushetunk Dam Hunterdon County | 20 | 1928 | Significant | Fair |
| Lake James Dam Burlington County | 11 | 1990 | Significant | Fair |
| Lake Lackawanna Dam Sussex County | 15 | 1910 | Significant | Fair |
| Lake Pine Dam Burlington County | 14 | 1941 | Significant | Fair |
| Lake Shenandoah Dam Ocean County | 17 | 1934 | Significant | Fair |
| Lake Topanemus Dam Monmouth County | 20 | 1915 | High | Fair |
| Levine Reservoir Dam Passaic County | 10 | — | Significant | Fair |
| Lily Lake Dam Atlantic County | 9 | 1910 | Low | Fair |
| Lower Mount Glen Lake Dam Passaic County | 15 | 1927 | High | Fair |
| Malaga Dam Gloucester County | 22 | — | Significant | Fair |
| Marlu Lake Dam Monmouth County | 29 | 1965 | Low | Fair |
| Mcmillan Reservoir Dam Bergen County | 21 | — | Low | Fair |
| Mill Pond Dam Bergen County | 21 | 1908 | High | Fair |
| Moorestown Dam Burlington County | 8 | 1939 | Low | Fair |
| Munson Dam Salem County | 32 | 1934 | Low | Fair |
| New Camp Site Dam Camden County | 15 | 1946 | Low | Fair |
| New Jersey No Name # 71 Dam Morris County | 12 | 1901 | Low | Fair |
| New Street Reservoir Dam Passaic County | 26 | 1925 | High | Fair |
| Nishisakawick Creek Dam Hunterdon County | 23 | 1930 | Low | Fair |
| Oakford Lake Dam Ocean County | 8 | 1929 | Low | Fair |
| Oradell Reservoir Dam Bergen County | 25 | 1922 | High | Fair |
| Orange Reservoir Dam Essex County | 34 | 1958 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.