Dams in Somerset County, New Jersey
17Total Dams
5High Hazard
11Significant
Dam Safety in Somerset County, New Jersey
Somerset County has 17 dams tracked in the National Inventory of Dams. Of these, 5 are classified as high hazard — meaning failure would probably cause loss of human life. Another 11 carry a significant hazard classification. Currently, 5 dams have a condition assessment of poor or unsatisfactory.
The average dam in Somerset County is 79 years old. The most common purpose is flood risk reduction. The tallest dam is Ravine Lake Dam at 45 ft.
Explore more: Oldest dams in New Jersey · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Ravine Lake Dam | High | Satisfactory | 45 | Recreation | 1899 |
| West Branch Reservoir Dam | High | Poor | 39 | Recreation | 1930 |
| East Branch Reservoir Dam | High | Satisfactory | 33 | Recreation | 1905 |
| Watchung Lake Dam | High | Satisfactory | 19 | Recreation | |
| Memorial Park Pond Dam | High | Poor | 8 | Recreation | |
| Spooky Brook Dam | Significant | Poor | 21 | Recreation | 1971 |
| Blackwells Mills Dam | Significant | Satisfactory | 20 | Flood Risk Reduction | |
| Regional Detention Basin Dam E | Significant | Satisfactory | 17 | Flood Risk Reduction | |
| Bridgepoint Dam | Significant | Satisfactory | 15 | Flood Risk Reduction | 1988 |
| Osborn Mills Dam | Significant | Satisfactory | 15 | Water Supply | |
| Northridge Pond Dam | Significant | Satisfactory | 13 | Flood Risk Reduction | |
| Fox Chase Dam | Significant | Poor | 12 | Flood Risk Reduction | |
| Hoaglan Farms West Dam | Significant | Satisfactory | 12 | Flood Risk Reduction | 1988 |
| Watchung Square Dam | Significant | Satisfactory | 10 | Flood Risk Reduction | |
| Ellsworth (detention Pond) Dam | Significant | Satisfactory | 9 | Flood Risk Reduction | |
| Powder Mill Pond Dam | Significant | Poor | 9 | Recreation | |
| Island Farm Weir Dam | Low | Satisfactory | 8 | Water Supply |