Clinton Mills Dam
Clinton Mills Dam is an earth dam located in Hunterdon County, New Jersey, built in 1951. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Clinton Mills Dam
The primary purpose of Clinton Mills Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Red Mill Museum Village (private). It impounds the South Branch Of Raritan River near Clinton.
The dam stands 14 feet tall and stretches 218 feet across, creates a reservoir covering 10 acres, has a storage capacity of 21 acre-feet, and collects water from a drainage area of 111 square miles. Completed in 1951, the structure is well into its service life at over 50 years 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 03/21/2024.
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Location
| State | New Jersey |
| County | Hunterdon |
| Nearest City | Clinton |
| River/Stream | South Branch Of Raritan River |
| Coordinates | 40.63632, -74.91238 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 218 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 21 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 111 sq mi |
| Max Discharge | 1,906 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Red Mill Museum Village |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/21/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00122 |
| Federal ID | NJ00122 |
| More Info | State Dam Safety Program |