New Jersey No Name # 11 Dam
New Jersey No Name # 11 Dam is an earth dam located in Sussex County, New Jersey, built in 1957. It carries a Significant hazard potential classification and has a poor condition assessment.
About New Jersey No Name # 11 Dam
The primary purpose of New Jersey No Name # 11 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Charles & Harriette Ansbach (private). It impounds the Branch Of Dry Brook near Branchville.
The dam stands 12 feet tall and stretches 288 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 125 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1957, the structure is well into its service life at over 50 years old.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 11/16/2023.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New Jersey |
| County | Sussex |
| Nearest City | Branchville |
| River/Stream | Branch Of Dry Brook |
| Coordinates | 41.18162, -74.73718 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 288 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 125 acre-ft |
| Max Storage | 125 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 213 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Charles & Harriette Ansbach |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 11/16/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00345 |
| Federal ID | NJ00345 |
| More Info | State Dam Safety Program |