33Total Dams
15High Hazard
6Significant
Dam Safety in Warren County, New Jersey
Warren County has 33 dams tracked in the National Inventory of Dams. Of these, 15 are classified as high hazard — meaning failure would probably cause loss of human life. Another 6 carry a significant hazard classification. Currently, 7 dams have a condition assessment of poor or unsatisfactory.
The average dam in Warren County is 76 years old. The most common purpose is recreation. The tallest dam is Merrill Creek Main Dam at 280 ft.
Explore more: Oldest dams in New Jersey · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Merrill Creek Main Dam | High | Satisfactory | 280 | Other | 1988 |
| Yards Creek Upper - Main Dam | High | Satisfactory | 70 | Hydroelectric | 1965 |
| Furnace Brook W.s. #2 Dam | High | Satisfactory | 55 | Flood Risk Reduction | 1971 |
| Yards Creek Lower - Main Dam | High | Satisfactory | 55 | Hydroelectric | 1965 |
| Yards Creek Upper - West Dike | High | Satisfactory | 52 | Hydroelectric | 1965 |
| Merrill Creek Res. Se Dike | High | Satisfactory | 39 | Other | |
| Yards Creek Lower - Auxiliary Dike | High | Satisfactory | 35 | Hydroelectric | 1965 |
| Bass Lake Dam | High | Satisfactory | 30 | Recreation | 1911 |
| Yards Creek Upper - S. W. Dike | High | Satisfactory | 25 | Hydroelectric | 1965 |
| Locust Lake Dam | High | Satisfactory | 21 | Recreation | |
| Yards Creek Upper - East Dike | High | Satisfactory | 21 | Hydroelectric | 1965 |
| Merrill Creek Northwest Dike 1 | High | Satisfactory | 20 | Other | |
| Merrill Creek Northwest Dike 2 | High | Satisfactory | 20 | Other | |
| Youngs Pond Dam | High | Poor | 18 | Recreation | 1972 |
| Blair Lake Dam | High | Fair | 18 | Recreation | 1903 |
| Stiers Pond Dam | Significant | Poor | 34 | Recreation | |
| Liberty Lake Dam | Significant | Poor | 23 | Flood Risk Reduction | |
| Panther Valley Village # 6 Dam | Significant | Satisfactory | 23 | Flood Risk Reduction | |
| Deer Park Pond Dam | Significant | Satisfactory | 19 | Recreation | |
| Paulina Lake Dam | Significant | Poor | 13 | Water Supply | 1895 |
| Allamuchy Pond Dam | Significant | Poor | 13 | Recreation | |
| New Jersey No Name # 50 Dam | Low | Not assessed | 30 | Irrigation | |
| Everwood Pond Dam | Low | Not assessed | 28 | Recreation | 1960 |
| Lake Barylick Dam | Low | Not assessed | 25 | Recreation | 1965 |
| Yards Creek Auxiliary Reservoir Dam | Low | Satisfactory | 22 | Hydroelectric | 1965 |
| Delaware Lake Dam | Low | Poor | 21 | Recreation | |
| Kopycinski Pond Dam | Low | Not assessed | 20 | Recreation | |
| Lake Susquehanna Dam | Low | Not assessed | 19 | Recreation | 1926 |
| Columbia Dam | Low | Not assessed | 18 | Recreation | 1909 |
| Asbury Mill Dam | Low | Not assessed | 12 | Recreation | |
| French Lake Dam | Low | Not assessed | 10 | Recreation | 1945 |
| Lake Wasigan Dam | Low | Satisfactory | 10 | Recreation | |
| Lake Kalmia Dam | Low | Poor | 8 | Recreation | 1936 |