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 301–325 of 373
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Clinton Mills Dike Hunterdon County | 8 | — | Significant | Satisfactory |
| Clinton Mills Dam Hunterdon County | 14 | 1951 | Significant | Satisfactory |
| Cliffwood Lake Dam Sussex County | 20 | 1962 | Low | Satisfactory |
| Clementon Lake Dam Camden County | 19 | — | High | Satisfactory |
| Clearview Lake Dam Sussex County | 10 | 1960 | Significant | Satisfactory |
| Cifrese Dam Morris County | 26 | — | Low | Satisfactory |
| Christian Health Care Center Dam Bergen County | 14 | — | Significant | Satisfactory |
| Chester Pond Dam Morris County | 28 | 1993 | Low | Satisfactory |
| Cherokee Lake Dam Morris County | 11 | 1948 | Low | Satisfactory |
| Charlotteburg Dam Morris County | 102 | 1961 | High | Satisfactory |
| Ceva Lake Dam Mercer County | 14 | 1920 | Significant | Satisfactory |
| Cedar Run Lake Dam Burlington County | 13 | — | Low | Satisfactory |
| Cedar Road Dam Gloucester County | 12 | — | Significant | Satisfactory |
| Cedar Lake Dam Morris County | 13 | 1925 | Significant | Satisfactory |
| Cedar Grove South Res Dam Essex County | 51 | 1903 | High | Satisfactory |
| Cassville Dam Ocean County | 6 | — | Significant | Satisfactory |
| Carpi Lake Dam Passaic County | 12 | 1938 | Significant | Satisfactory |
| Carnegie Lake Dam Mercer County | 28 | 1900 | Significant | Satisfactory |
| Cantys Lake Dam Morris County | 20 | 1928 | Significant | Satisfactory |
| Canoe Brook Reservoir #3 Dike Essex County | 40 | 1956 | High | Satisfactory |
| Canoe Brook Reservoir #3 Dam Essex County | 57 | 1956 | High | Satisfactory |
| Canoe Brook Reservoir #2 Dam Essex County | 29 | 1948 | High | Satisfactory |
| Canoe Brook Reservoir #1 Dam Essex County | 25 | 1929 | High | Satisfactory |
| Canistear Reservoir Dike Sussex County | 14 | — | Low | Satisfactory |
| Camp Ryker Lake Dam Sussex County | 10 | — | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.