Dams in Middlesex County, New Jersey
22Total Dams
4High Hazard
11Significant
Dam Safety in Middlesex County, New Jersey
Middlesex County has 22 dams tracked in the National Inventory of Dams. Of these, 4 are classified as high hazard — meaning failure would probably cause loss of human life. Another 11 carry a significant hazard classification. Currently, 2 dams have a condition assessment of poor or unsatisfactory.
The average dam in Middlesex County is 100 years old. The most common purpose is recreation. The tallest dam is Farrington Dam at 34 ft.
Explore more: Oldest dams in New Jersey · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Farrington Dam | High | Fair | 34 | Water Supply | 1926 |
| Devoe Lake Dam | High | Satisfactory | 15 | Recreation | 1935 |
| Manalapan Lake Dam | High | Satisfactory | 15 | Recreation | |
| Regency Monroe Pond Dam | High | Satisfactory | 14 | Irrigation | |
| Westons Arch Dam | Significant | Fair | 17 | Water Supply | 1919 |
| Weston Mill Pond Dam | Significant | Fair | 16 | Water Supply | 1916 |
| Princeton Walk Dam | Significant | Satisfactory | 16 | Recreation | 1988 |
| Duhernal Dam | Significant | Poor | 13 | Recreation | 1939 |
| Brainerd Lake Dam | Significant | Satisfactory | 13 | Recreation | 1840 |
| Plainsboro Pond Dam | Significant | Satisfactory | 11 | Recreation | |
| Davidsons Mill Pond Dam | Significant | Fair | 10 | Water Supply | 1950 |
| Green Street Dam | Significant | Satisfactory | 8 | Flood Risk Reduction | 1988 |
| Roosevelt Park Dam | Significant | Satisfactory | 8 | Recreation | |
| New Market Pond Dam | Significant | Satisfactory | 7 | Recreation | 1830 |
| Helmetta Dam | Significant | Satisfactory | 7 | Recreation | |
| Silver Lake Dam | Low | Satisfactory | 31 | Recreation | 1923 |
| Cranbury S. River Basin B1 Dam | Low | 30 | Flood Risk Reduction | ||
| Bee Brook Detention Dam | Low | 11 | Flood Risk Reduction | ||
| Riverton Basin Dam | Low | 11 | Flood Risk Reduction | ||
| Deep Run Dam | Low | Satisfactory | 10 | Water Supply | 1988 |
| Tennents Brook Dam | Low | Satisfactory | 9 | Recreation | 1890 |
| Mill Pond Dam | Low | Poor | 8 | Recreation |