Spooky Brook Dam
Spooky Brook Dam is an earth dam located in Somerset County, New Jersey, built in 1971. It carries a Significant hazard potential classification and has a poor condition assessment.
About Spooky Brook Dam
The primary purpose of Spooky Brook Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by County Of Somerset (local government). It impounds the Delaware - Raritan Canal-.
The dam stands 21 feet tall and stretches 300 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 126 acre-feet, and collects water from a drainage area of 35 square miles. Completed in 1971, 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 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 11/28/2023.
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Location
| State | New Jersey |
| County | Somerset |
| River/Stream | Delaware - Raritan Canal- |
| Coordinates | 40.50915, -74.56552 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 300 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 126 acre-ft |
| Max Storage | 126 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 35 sq mi |
| Max Discharge | 1,003 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | County of Somerset |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 11/28/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00374 |
| Federal ID | NJ00374 |
| More Info | State Dam Safety Program |