Bonner Lake Dam is an earth dam located in Rockingham County, North Carolina, built in 1981. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 185 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 Bonner Lake Dam
The primary purpose of Bonner Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by James a Bonner (private). It impounds the Troublesome Creek near Altamahaw.
The dam stands 23 feet tall and stretches 185 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 102 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1981, the structure is 45 years old.
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 12/11/2024.
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Location
| State | North Carolina |
| County | Rockingham |
| Nearest City | Altamahaw |
| River/Stream | Troublesome Creek |
| Coordinates | 36.30370, -79.79000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Length | 185 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 102 acre-ft |
| Max Storage | 102 acre-ft |
| Normal Storage | 34 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 920 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | James a Bonner |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/11/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NC03883 |
| Federal ID | NC03883 |
| More Info | State Dam Safety Program |