Glen Wild Lake Dam
Glen Wild Lake Dam is an earth dam located in Passaic County, New Jersey, built in 1918. It carries a Significant hazard potential classification and has a fair condition assessment.
About Glen Wild Lake Dam
The primary purpose of Glen Wild Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Glen Wild Lake Association, Inc. (private). It impounds the Mud Brook near Pompton Lakes.
The dam stands 21 feet tall and stretches 700 feet across, creates a reservoir covering 175 acres, has a storage capacity of 2,625 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1918, the structure is over a century 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 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 02/28/2025.
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Location
| State | New Jersey |
| County | Passaic |
| Nearest City | Pompton Lakes |
| River/Stream | Mud Brook |
| Coordinates | 41.02215, -74.32647 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 700 ft |
| Year Completed | 1918 (108 years old) |
Storage & Hydraulics
| NID Storage | 2,625 acre-ft |
| Normal Storage | 2,625 acre-ft |
| Surface Area | 175 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 50 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Glen Wild Lake Association, Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 02/28/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00222 |
| Federal ID | NJ00222 |
| More Info | State Dam Safety Program |