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 576–600 of 830
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Furnace Road Dam Passaic County | 20 | 1928 | High | Satisfactory |
| Furnace Brook W.S. #2 Dam Warren County | 55 | 1971 | High | Satisfactory |
| French Lake Dam Warren County | 10 | 1945 | Low | Not Rated |
| Frenches Pond Dam Sussex County | 13 | 1850 | High | Satisfactory |
| Franklinville Lake Dam Gloucester County | 8 | — | Significant | Poor |
| Franklin Pond Dam Sussex County | 18 | — | Significant | Fair |
| Franklin Lake Dam Monmouth County | 10 | — | Low | Poor |
| Fox Lake Dam Morris County | 22 | 1926 | High | Satisfactory |
| Fox Hollow Lake Dam Sussex County | 12 | 1925 | Significant | Satisfactory |
| Fox Chase Dam Somerset County | 12 | — | Significant | Poor |
| Fountain House Dam Sussex County | 12 | 1956 | Significant | Poor |
| Forest Lake Dam Sussex County | 20 | 1951 | High | Satisfactory |
| Forest Hill Park Dam Passaic County | 22 | — | Significant | Satisfactory |
| Forest Drive Dam Ocean County | 10 | — | Significant | Satisfactory |
| Fayson Lakes (West) Dam Morris County | 15 | 1922 | Significant | Satisfactory |
| Fayson Lakes (South) Dam Morris County | 8 | 1938 | Significant | Satisfactory |
| Fayson Lakes (East) Dam Morris County | 17 | 1926 | Significant | Satisfactory |
| Fawn Lake Dam Sussex County | 22 | 1940 | Significant | Poor |
| Farrington Dam Middlesex County | 34 | 1926 | High | Fair |
| Fallen Leaf Lake Dam Burlington County | 10 | 1954 | Low | Not Available |
| Ewans Mill Dam Gloucester County | 15 | — | Significant | Poor |
| Everwood Pond Dam Warren County | 28 | 1960 | Low | Not Rated |
| Evans Pond Dam Camden County | 7 | 1913 | Significant | Poor |
| Etra Mill Dam Mercer County | 11 | 1930 | Low | Not Rated |
| Erskine Upper Lake Dam Passaic County | 20 | 1932 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.