Hackney Millpond Dam is a masonry dam located in Chatham County, North Carolina, built in 1831. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 150 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Hackney Millpond Dam
Hackney Millpond Dam is a dam in Chatham, North Carolina. The dam is owned by Wren's Nest of Siler City, LLC (private). It impounds the Rocky River near Siler City.
The dam stands 12 feet tall and stretches 150 feet across, has a maximum storage capacity of 85 acre-feet, and collects water from a drainage area of 68 square miles. Completed in 1831, the structure is one of the older dams in the region, with over a century and a half 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 06/23/1976. That was over 50 years ago.
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Location
| State | North Carolina |
| County | Chatham |
| Nearest City | Siler City |
| River/Stream | Rocky River |
| Coordinates | 35.73690, -79.42460 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 12 ft |
| Dam Length | 150 ft |
| Year Completed | 1831 (195 years old) |
Storage & Hydraulics
| NID Storage | 85 acre-ft |
| Max Storage | 85 acre-ft |
| Normal Storage | 72 acre-ft |
| Drainage Area | 68 sq mi |
| Max Discharge | 185 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Wren's Nest of Siler City, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/23/1976 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NC00620 |
| Federal ID | NC00620 |
| More Info | State Dam Safety Program |