Rockaway Townsquare Mall Dam is an earth dam located in Morris County, New Jersey. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 17 ft17 ft tall and 1,000 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 Rockaway Townsquare Mall Dam
The primary purpose of Rockaway Townsquare Mall 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 Simon Property Group (private). It impounds the Burnt Meadow Brook-tr near Wharton.
The dam stands 17 feet tall and stretches 1,000 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 92 acre-feet, and collects water from a drainage area of 0 square miles.
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 04/06/2023.
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Location
| State | New Jersey |
| County | Morris |
| Nearest City | Wharton |
| River/Stream | Burnt Meadow Brook-tr |
| Coordinates | 40.90400, -74.55900 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 1,000 ft |
Storage & Hydraulics
| NID Storage | 92 acre-ft |
| Max Storage | 92 acre-ft |
| Normal Storage | 26 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 452 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Simon Property Group |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/06/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00964 |
| Federal ID | NJ00964 |
| More Info | State Dam Safety Program |