Bonner Lake Dam in Altamahaw, North Carolina, is a private-owned structure with a primary purpose of recreation, designed by USDA NRCS in 1981.
Wind
Humidity
The dam stands at a structural height of 23 feet and hydraulic height of 12 feet, holding a normal storage capacity of 34 acre-feet and serving as a popular spot for outdoor enthusiasts in Rockingham County. Located on Troublesome Creek-Tr, the dam spans 185 feet in length and covers a surface area of 11.3 acres, with a drainage area of 1280 acres.
Despite its low hazard potential, Bonner Lake Dam underwent its last inspection in July 2013 and was deemed to be in satisfactory condition. The dam's spillway operates uncontrolled, with a maximum discharge capacity of 920 cubic feet per second, ensuring the safety of downstream areas. While the risk assessment indicates a moderate level of risk, the dam is well-maintained and managed to meet safety guidelines. With its scenic surroundings and recreational opportunities, Bonner Lake Dam remains a valuable asset for water resource and climate enthusiasts seeking to explore the natural beauty of North Carolina's waterways.
Year Completed |
1981 |
Dam Length |
185 |
River Or Stream |
Troublesome Creek-Tr |
Primary Dam Type |
Earth |
Surface Area |
11.3 |
Hydraulic Height |
12 |
Drainage Area |
1280 |
Nid Storage |
102 |
Structural Height |
23 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
23 |