Back Creek Reservoir Dam
Back Creek Reservoir Dam is an earth dam located in Alamance County, North Carolina, built in 1991. It carries a High hazard potential classification and has a fair condition assessment.
About Back Creek Reservoir Dam
The primary purpose of Back Creek Reservoir Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Graham (local government). It impounds the East Back Creek near Haw River.
The dam stands 40 feet tall and stretches 700 feet across, creates a reservoir covering 646 acres, has a maximum storage capacity of 10,645 acre-feet, and collects water from a drainage area of 66 square miles. Completed in 1991, the structure is 35 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 02/05/2025.
At 40 feet, this dam is taller than 87% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The North Carolina dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | North Carolina |
| County | Alamance |
| Nearest City | Haw River |
| River/Stream | East Back Creek |
| Coordinates | 36.09950, -79.33020 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Length | 700 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 10,645 acre-ft |
| Max Storage | 10,645 acre-ft |
| Normal Storage | 7,057 acre-ft |
| Surface Area | 646 acres |
| Drainage Area | 66 sq mi |
| Max Discharge | 811,292 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Graham |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 02/05/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NC04873 |
| Federal ID | NC04873 |
| More Info | State Dam Safety Program |