Henion Pond Dam
Henion Pond Dam is an earth dam located in Passaic County, New Jersey, built in 1926. It carries a Significant hazard potential classification and has a fair condition assessment.
About Henion Pond Dam
The primary purpose of Henion Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hands In 4 Youths (private). It impounds the Pequannock River-tr.
The dam stands 10 feet tall and stretches 675 feet across, creates a reservoir covering 45 acres, has a storage capacity of 301 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1926, the structure is well-established, with more than 75 years 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 07/18/2024.
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Location
| State | New Jersey |
| County | Passaic |
| River/Stream | Pequannock River-tr |
| Coordinates | 41.01903, -74.36303 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 675 ft |
| Year Completed | 1926 (100 years old) |
Storage & Hydraulics
| NID Storage | 301 acre-ft |
| Normal Storage | 301 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Hands in 4 Youths |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 07/18/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00224 |
| Federal ID | NJ00224 |
| More Info | State Dam Safety Program |