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 676–700 of 830
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Colonial Lake Dam Mercer County | 12 | 1925 | Low | Fair |
| Collier Mills Dam Ocean County | 9 | 1942 | Low | Poor |
| Colesville Reservoir Dam Sussex County | 15 | — | Significant | Poor |
| Cold Spring Lake Dam Passaic County | 16 | 1890 | Significant | Satisfactory |
| Cobbs Mill Dam Salem County | 10 | 1940 | Significant | Poor |
| Clyde Potts Reservoir Dam Morris County | 80 | 1932 | High | Fair |
| Clubhouse Lake Dam Ocean County | 14 | — | Low | Not Available |
| Clove River Dam Sussex County | 28 | 1932 | High | Fair |
| Clove Lake Dam Sussex County | 11 | — | Low | Fair |
| Clinton Reservoir Dam Passaic County | 56 | 1894 | High | Fair |
| Clinton Mills Dike Hunterdon County | 8 | — | Significant | Satisfactory |
| Clinton Mills Dam Hunterdon County | 14 | 1951 | Significant | Satisfactory |
| Cliffwood Lake Dike Sussex County | 20 | — | Low | Fair |
| Cliffwood Lake Dam Sussex County | 20 | 1962 | Low | Satisfactory |
| Clementon Lake Dam Camden County | 19 | — | High | Satisfactory |
| Clearwater Detention Dam Union County | 22 | 1994 | High | Fair |
| Clearview Lake Dam Sussex County | 10 | 1960 | Significant | Satisfactory |
| Clarks Pond Dam Cumberland County | 9 | — | Low | Not Rated |
| 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 |
| Centerton Lake Dam Salem County | 12 | 1942 | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.