Franklin Pond Dam
Franklin Pond Dam is an earth dam located in Sussex County, New Jersey. It carries a Significant hazard potential classification and has a fair condition assessment.
About Franklin Pond Dam
The primary purpose of Franklin Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Borough Of Franklin (local government). It impounds the Wallkill River.
The dam stands 18 feet tall and stretches 350 feet across, creates a reservoir covering 50 acres, has a storage capacity of 405 acre-feet, and collects water from a drainage area of 29 square miles.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 04/18/2025.
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Location
| State | New Jersey |
| County | Sussex |
| River/Stream | Wallkill River |
| Coordinates | 41.11185, -74.58873 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 350 ft |
Storage & Hydraulics
| NID Storage | 405 acre-ft |
| Normal Storage | 405 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 29 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Borough of Franklin |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/18/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00657 |
| Federal ID | NJ00657 |
| More Info | State Dam Safety Program |