Fayson Lakes (south) Dam
Fayson Lakes (south) Dam is an earth dam located in Morris County, New Jersey, built in 1938. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Fayson Lakes (south) Dam
The primary purpose of Fayson Lakes (south) Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Fayson Lakes Association Inc. (private). It impounds the Stony Brook near Boonton.
The dam stands 8 feet tall and stretches 350 feet across, creates a reservoir covering 53 acres, has a maximum storage capacity of 550 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1938, 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 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 08/03/2024.
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Location
| State | New Jersey |
| County | Morris |
| Nearest City | Boonton |
| River/Stream | Stony Brook |
| Coordinates | 40.97012, -74.36177 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 350 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 550 acre-ft |
| Max Storage | 550 acre-ft |
| Normal Storage | 400 acre-ft |
| Surface Area | 53 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 400 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Fayson Lakes Association Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/03/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00025 |
| Federal ID | NJ00025 |
| More Info | State Dam Safety Program |