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 151–175 of 266
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Mcmillan Reservoir Dam Bergen County | 21 | — | Low | Fair |
| Meisle (Nummy) Lake Dam Cape May County | 7 | — | Low | Not Rated |
| Mickels Mill Dam Salem County | 10 | 1928 | Low | Not Rated |
| Mill Dam Burlington County | 15 | 1908 | Low | Poor |
| Mill Pond Dam Middlesex County | 8 | — | Low | Poor |
| Mohegan Trail Dam Bergen County | 10 | — | Low | Poor |
| Moorestown Dam Burlington County | 8 | 1939 | Low | Fair |
| Morse Lake Dam Passaic County | 14 | — | Low | Satisfactory |
| Moss Mill Lake Dam Atlantic County | 7 | 1939 | Low | Not Rated |
| Mount Laurel Lake Dam Passaic County | 15 | 1930 | Low | Not Rated |
| Mt. Misery Dam Burlington County | 10 | 1950 | Low | Not Rated |
| Munson Dam Salem County | 32 | 1934 | Low | Fair |
| New Camp Site Dam Camden County | 15 | 1946 | Low | Fair |
| New Jersey No Name # 101 Dam Ocean County | 8 | — | Low | Poor |
| New Jersey No Name # 107 Dam Burlington County | 10 | — | Low | Not Rated |
| New Jersey No Name # 109 Dam Monmouth County | 8 | 1950 | Low | Satisfactory |
| New Jersey No Name # 110 Dam Monmouth County | 12 | — | Low | Not Rated |
| New Jersey No Name # 14 Dam Sussex County | 25 | — | Low | Not Rated |
| New Jersey No Name # 15 Dam Sussex County | 14 | 1955 | Low | Not Rated |
| New Jersey No Name # 17 Dam Burlington County | 10 | — | Low | Not Rated |
| New Jersey No Name # 21 Dam Camden County | 7 | 1940 | Low | Poor |
| New Jersey No Name # 23 Dam Ocean County | 8 | — | Low | Not Rated |
| New Jersey No Name # 3 Dam Gloucester County | 25 | — | Low | Not Rated |
| New Jersey No Name # 50 Dam Warren County | 30 | — | Low | Not Rated |
| New Jersey No Name # 56 Dam Morris County | 7 | 1960 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.