New Jersey No Name # 56 Dam
New Jersey No Name # 56 Dam is an earth dam located in Morris County, New Jersey, built in 1960. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About New Jersey No Name # 56 Dam
The primary purpose of New Jersey No Name # 56 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Township Of Hanover (local government). It impounds the Malapardis Brook near Whippany.
The dam stands 7 feet tall and stretches 123 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 62 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1960, the structure is well into its service life at over 50 years old.
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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/20/2010. That was over 15 years ago.
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Location
| State | New Jersey |
| County | Morris |
| Nearest City | Whippany |
| River/Stream | Malapardis Brook |
| Coordinates | 40.83250, -74.43247 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 123 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 697 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Township of Hanover |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/20/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NJ00804 |
| Federal ID | NJ00804 |
| More Info | State Dam Safety Program |