Lake Susquehanna Dam is an earth dam located in Warren County, New Jersey, built in 1926. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 420 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Lake Susquehanna Dam
The primary purpose of Lake Susquehanna Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Jd Air, Inc. (private). It impounds the Small Branch Paulinskill near Blairstown.
The dam stands 19 feet tall and stretches 420 feet across, creates a reservoir covering 50 acres, has a maximum storage capacity of 295 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1926, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 10/03/2000. That was over 26 years ago.
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Location
| State | New Jersey |
| County | Warren |
| Nearest City | Blairstown |
| River/Stream | Small Branch Paulinskill |
| Coordinates | 40.96648, -75.00190 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 420 ft |
| Year Completed | 1926 (100 years old) |
Storage & Hydraulics
| NID Storage | 295 acre-ft |
| Max Storage | 295 acre-ft |
| Normal Storage | 165 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 724 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Jd Air, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/03/2000 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NJ00182 |
| Federal ID | NJ00182 |
| More Info | State Dam Safety Program |