Indian Mills Dam
Indian Mills Dam is an earth dam located in Burlington County, New Jersey, built in 1807. It carries a Significant hazard potential classification and has a fair condition assessment.
About Indian Mills Dam
The primary purpose of Indian Mills Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Township Of Shamong (local government). It impounds the Muskingum Brook.
The dam stands 11 feet tall and stretches 600 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 267 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1807, the structure is one of the older dams in the region, with over a century and a half of service.
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 09/22/2023.
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Location
| State | New Jersey |
| County | Burlington |
| River/Stream | Muskingum Brook |
| Coordinates | 39.79543, -74.74157 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 600 ft |
| Year Completed | 1807 (219 years old) |
Storage & Hydraulics
| NID Storage | 267 acre-ft |
| Max Storage | 267 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 487 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Township of Shamong |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 09/22/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00042 |
| Federal ID | NJ00042 |
| More Info | State Dam Safety Program |