Lake Stockholm Dam
Lake Stockholm Dam is an earth dam located in Sussex County, New Jersey, built in 1920. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Lake Stockholm Dam
The primary purpose of Lake Stockholm Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Stockholm Club Assoc. (private). It impounds the Branch Of Pequannock River.
The dam stands 16 feet tall and stretches 630 feet across, creates a reservoir covering 33 acres, has a storage capacity of 300 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1920, the structure is over a century old.
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 08/01/2024.
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Location
| State | New Jersey |
| County | Sussex |
| River/Stream | Branch Of Pequannock River |
| Coordinates | 41.07102, -74.52913 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 630 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Normal Storage | 300 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 303 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lake Stockholm Club Assoc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/01/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00302 |
| Federal ID | NJ00302 |
| More Info | State Dam Safety Program |