Morris County Ymca Dam
Morris County Ymca Dam is an earth dam located in Morris County, New Jersey, built in 1928. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Morris County Ymca Dam
The primary purpose of Morris County Ymca Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mt Olive Complex, Inc. (private). It impounds the Raritan River near Bartley.
The dam stands 18 feet tall and stretches 250 feet across, creates a reservoir covering 3 acres, has a storage capacity of 90 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1928, 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 12/13/2023.
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Location
| State | New Jersey |
| County | Morris |
| Nearest City | Bartley |
| River/Stream | Raritan River |
| Coordinates | 40.84338, -74.75375 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 250 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 760 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Mt Olive Complex, Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/13/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00746 |
| Federal ID | NJ00746 |
| More Info | State Dam Safety Program |