Leddell's Pond Dam
Leddell's Pond Dam is an earth dam located in Morris County, New Jersey. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Leddell's Pond Dam
The primary purpose of Leddell's Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by County Of Morris Park Commission (local government). It impounds the Passaic River near Mendham.
The dam stands 12 feet tall and stretches 335 feet across, creates a reservoir covering 5 acres, has a storage capacity of 34 acre-feet, and collects water from a drainage area of 3 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 11/08/2023.
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Location
| State | New Jersey |
| County | Morris |
| Nearest City | Mendham |
| River/Stream | Passaic River |
| Coordinates | 40.76635, -74.55450 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 335 ft |
Storage & Hydraulics
| NID Storage | 34 acre-ft |
| Normal Storage | 34 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 3 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | County of Morris Park Commission |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/08/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00578 |
| Federal ID | NJ00578 |
| More Info | State Dam Safety Program |