Moss Mill Lake Dam is an earth dam located in Atlantic County, New Jersey, built in 1939. It carries a Low hazard potential classification.
Dam profile
NID height · 7 ft7 ft tall and 575 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Moss Mill Lake Dam
The primary purpose of Moss Mill Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cassino Camplands Inc. (private). It impounds the Moss Mill Stream near Port Republic.
The dam stands 7 feet tall and stretches 575 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 72 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1939, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | New Jersey |
| County | Atlantic |
| Nearest City | Port Republic |
| River/Stream | Moss Mill Stream |
| Coordinates | 39.50172, -74.51003 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 575 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 72 acre-ft |
| Max Storage | 72 acre-ft |
| Normal Storage | 54 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 70 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Cassino Camplands Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NJ00716 |
| Federal ID | NJ00716 |
| More Info | State Dam Safety Program |