Johnson Lake Dam #4
Johnson Lake Dam #4 is an earth dam located in Northampton County, North Carolina, built in 1950. It carries a Low hazard potential classification.
About Johnson Lake Dam #4
The primary purpose of Johnson Lake Dam #4 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Nettie E Johnston-witt (private). It impounds the Occoneechee Swamp near Hamilton.
The dam stands 9 feet tall and stretches 300 feet across, and has a maximum storage capacity of 101 acre-feet. Completed in 1950, 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. The most recent inspection on record was 08/04/1976. That was over 49 years ago.
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Location
| State | North Carolina |
| County | Northampton |
| Nearest City | Hamilton |
| River/Stream | Occoneechee Swamp |
| Coordinates | 36.34230, -77.50130 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Length | 300 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 101 acre-ft |
| Max Storage | 101 acre-ft |
| Normal Storage | 84 acre-ft |
| Max Discharge | 3 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Nettie E Johnston-Witt |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 08/04/1976 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NC00812 |
| Federal ID | NC00812 |
| More Info | State Dam Safety Program |