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 332
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Shawnee Dam Morris County | 9 | — | Significant | Poor |
| Lake Riviera Dam Ocean County | 11 | — | Significant | Satisfactory |
| Lake Reality Dam Morris County | 14 | 1940 | Significant | Poor |
| Lake Plymouth Dam Sussex County | 14 | 1951 | Significant | Unsatisfactory |
| Lake Pine Dam Burlington County | 14 | 1941 | Significant | Fair |
| Lake Panorama Dam Sussex County | 20 | 1957 | Significant | Poor |
| Lake Oberst Dam Gloucester County | 9 | — | Significant | Poor |
| Lake Neepaulin Dam Sussex County | 22 | 1927 | Significant | Satisfactory |
| Lakeland Dam Camden County | 14 | 1929 | Significant | Poor |
| Lake Lackawanna Dam Sussex County | 15 | 1910 | Significant | Fair |
| Lake Juliet Dam Morris County | 12 | 1919 | Significant | Poor |
| Lake James Dam Burlington County | 11 | 1990 | Significant | Fair |
| Lake Hackney Dam Gloucester County | 11 | — | Significant | Poor |
| Lake Grinnell Dam Sussex County | 12 | 1900 | Significant | Poor |
| Lake Garrison Dam Gloucester County | 7 | 1924 | Significant | Poor |
| Lake Erskine Dam Passaic County | 10 | 1930 | Significant | Satisfactory |
| Lake Cushetunk Dam Hunterdon County | 20 | 1928 | Significant | Fair |
| Lake Ashroe Dam Sussex County | 19 | 1972 | Significant | Satisfactory |
| Lake Arrowhead Dam Morris County | 8 | 1925 | Significant | Satisfactory |
| Lake Arcadia Dam #2 Passaic County | 18 | 1926 | Significant | Poor |
| Lake Ames Dam Morris County | 9 | 1934 | Significant | Poor |
| Kuehnle Pond Dam Atlantic County | 14 | 1935 | Significant | Satisfactory |
| K-L-P Dam Salem County | 20 | 1963 | Significant | Fair |
| Kitchell Lake Dam Passaic County | 14 | 1952 | Significant | Satisfactory |
| Kinnelon (Maple) Dam Morris County | 14 | 1928 | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.