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 751–775 of 830
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Briarwood Lake Dam Burlington County | 12 | — | Significant | Poor |
| Briant Park Dam Union County | 16 | 1930 | Significant | Satisfactory |
| Brewster Dam Bergen County | 13 | 1949 | Significant | Fair |
| Breakneck Dam Burlington County | 14 | 1870 | Significant | Satisfactory |
| Branchville Reservoir Dam Sussex County | 22 | 1934 | Significant | Satisfactory |
| Brainerd Lake Dam Middlesex County | 13 | 1840 | Significant | Satisfactory |
| Braddocks Mill Dam Burlington County | 16 | 1790 | Significant | Poor |
| Braddock Lake Dam Atlantic County | 14 | — | Low | Poor |
| Bottom'S Lake Dam Camden County | 8 | 1938 | Significant | Poor |
| Bostwicks Pond Dam Cumberland County | 13 | 1934 | Significant | Satisfactory |
| Bosco School Dam Bergen County | 8 | — | Significant | Satisfactory |
| Boonton Reservoir Dam Morris County | 15 | 1900 | Significant | Satisfactory |
| Boonton Dam Morris County | 120 | 1905 | High | Satisfactory |
| Blue Mt Lake Dam Sussex County | 25 | 1963 | Low | Not Available |
| Blue Heron Lake Dam Sussex County | 7 | — | Low | Not Rated |
| Blue Anchor Brook Dam Camden County | 8 | 1926 | Significant | Satisfactory |
| Bloodgoods Pond Dam Union County | 14 | 1935 | Significant | Satisfactory |
| Blair Lake Dam Warren County | 18 | 1903 | High | Fair |
| Blackwood Lake Dam Camden County | 14 | 1922 | Significant | Satisfactory |
| Blackwells Mills Dam Somerset County | 20 | — | Significant | Satisfactory |
| Birchwood Lake Dam Morris County | 20 | — | High | Poor |
| Birchwood Lake Dam Burlington County | 9 | 1955 | Significant | Satisfactory |
| Big Look Trail Dam Burlington County | 10 | — | Significant | Fair |
| Big Lebanon Lake Dam Gloucester County | 13 | 1941 | Significant | Poor |
| Bethel Lake Dam Gloucester County | 16 | 1942 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.