Columbia Dam
Columbia Dam is a concrete dam located in Warren County, New Jersey, built in 1909. It carries a Low hazard potential classification.
About Columbia Dam
The primary purpose of Columbia Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by The Nature Conservancy (private). It impounds the Paulinskill River near Columbia.
The dam stands 18 feet tall and stretches 330 feet across, creates a reservoir covering 43 acres, has a maximum storage capacity of 565 acre-feet, and collects water from a drainage area of 175 square miles. Completed in 1909, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 01/22/2018.
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Location
| State | New Jersey |
| County | Warren |
| Nearest City | Columbia |
| River/Stream | Paulinskill River |
| Coordinates | 40.92408, -75.08713 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 330 ft |
| Year Completed | 1909 (117 years old) |
Storage & Hydraulics
| NID Storage | 565 acre-ft |
| Max Storage | 565 acre-ft |
| Normal Storage | 275 acre-ft |
| Surface Area | 43 acres |
| Drainage Area | 175 sq mi |
| Max Discharge | 11,500 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | The Nature Conservancy |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 01/22/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NJ00124 |
| Federal ID | NJ00124 |
| More Info | State Dam Safety Program |