New Jersey No Name # 21 Dam
New Jersey No Name # 21 Dam is an earth dam located in Camden County, New Jersey, built in 1940. It carries a Low hazard potential classification and has a poor condition assessment.
About New Jersey No Name # 21 Dam
The primary purpose of New Jersey No Name # 21 Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Pleasantdale Farm, Inc. (private). It impounds the Great Swamp Branch near Elm.
The dam stands 7 feet tall and stretches 520 feet across, creates a reservoir covering 15 acres, has a storage capacity of 116 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1940, 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. 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 09/04/2020.
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Location
| State | New Jersey |
| County | Camden |
| Nearest City | Elm |
| River/Stream | Great Swamp Branch |
| Coordinates | 39.68822, -74.84117 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 520 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 116 acre-ft |
| Normal Storage | 116 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 5 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Pleasantdale Farm, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 09/04/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00477 |
| Federal ID | NJ00477 |
| More Info | State Dam Safety Program |