Lake Oberst Dam
Lake Oberst Dam is an earth dam located in Gloucester County, New Jersey. It carries a Significant hazard potential classification and has a poor condition assessment.
About Lake Oberst Dam
Lake Oberst Dam is a dam in Gloucester, New Jersey. The dam is owned by Fish Pond Development Corp. Ttl (private). It impounds the Mantua Creek.
The dam stands 9 feet tall and stretches 180 feet across, and collects water from a drainage area of 1 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 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 03/04/2025.
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Location
| State | New Jersey |
| County | Gloucester |
| River/Stream | Mantua Creek |
| Coordinates | 39.71462, -75.09208 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 180 ft |
Ownership & Safety
| Owner | Fish Pond Development Corp. TTL |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 03/04/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ01040 |
| Federal ID | NJ01040 |
| More Info | State Dam Safety Program |