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 26–50 of 266
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Caines Mill Pond Dam Atlantic County | 10 | — | Low | Not Rated |
| Camp Haluwasa Lower Dam Camden County | 8 | 1954 | Low | Not Rated |
| Camp Haluwasa Upper Dam Camden County | 7 | 1954 | Low | Not Rated |
| Camp Karney Dam Salem County | 13 | 1953 | Low | Poor |
| Canes Dam Hunterdon County | 10 | — | Low | Not Rated |
| Canistear Reservoir Dike Sussex County | 14 | — | Low | Satisfactory |
| Canoe Brook Dam Essex County | 9 | 1880 | Low | Poor |
| Cedar Lake Dam Gloucester County | 9 | — | Low | Poor |
| Cedar Lake Dam Atlantic County | 8 | — | Low | Not Rated |
| Cedar Pond Dam Passaic County | 8 | 1920 | Low | Poor |
| Cedar Run Dam Ocean County | 9 | 1880 | Low | Not Rated |
| Cedar Run Lake Dam Burlington County | 13 | — | Low | Satisfactory |
| Cherokee Lake Dam Morris County | 11 | 1948 | Low | Satisfactory |
| Chester Pond Dam Morris County | 28 | 1993 | Low | Satisfactory |
| Cifrese Dam Morris County | 26 | — | Low | Satisfactory |
| Clarks Pond Dam Cumberland County | 9 | — | Low | Not Rated |
| Cliffwood Lake Dam Sussex County | 20 | 1962 | Low | Satisfactory |
| Cliffwood Lake Dike Sussex County | 20 | — | Low | Fair |
| Clove Lake Dam Sussex County | 11 | — | Low | Fair |
| Clubhouse Lake Dam Ocean County | 14 | — | Low | Not Available |
| Collier Mills Dam Ocean County | 9 | 1942 | Low | Poor |
| Colonial Lake Dam Mercer County | 12 | 1925 | Low | Fair |
| Columbia Dam Warren County | 18 | 1909 | Low | Not Rated |
| Coxhat Pond Dam Salem County | 9 | — | Low | Fair |
| Cozy Lake Dam Morris County | 8 | 1924 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.