Silver Lake Dam
Silver Lake Dam is an earth dam located in Gloucester County, New Jersey, built in 1922. It carries a Significant hazard potential classification and has a poor condition assessment.
About Silver Lake Dam
The primary purpose of Silver Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Silver Lake Association (private). It impounds the Still Run near Franklinville.
The dam stands 6 feet tall and stretches 540 feet across, creates a reservoir covering 86 acres, has a storage capacity of 240 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1922, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 04/05/2023.
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Location
| State | New Jersey |
| County | Gloucester |
| Nearest City | Franklinville |
| River/Stream | Still Run |
| Coordinates | 39.65287, -75.10885 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 6 ft |
| Dam Height | 6 ft |
| Dam Length | 540 ft |
| Year Completed | 1922 (104 years old) |
Storage & Hydraulics
| NID Storage | 240 acre-ft |
| Normal Storage | 240 acre-ft |
| Surface Area | 86 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 426 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Silver Lake Association |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 04/05/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00626 |
| Federal ID | NJ00626 |
| More Info | State Dam Safety Program |