Anson County Wwtp Lower Dam (sludge Lagoon)
Anson County Wwtp Lower Dam (sludge Lagoon) is an earth dam located in Anson County, North Carolina, built in 1970. It carries a High hazard potential classification and has a unsatisfactory condition assessment.
About Anson County Wwtp Lower Dam (sludge Lagoon)
The primary purpose of Anson County Wwtp Lower Dam (sludge Lagoon) is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Anson County (local government). It impounds the Mccoy Creek near Lilesville.
The dam stands 25 feet tall and stretches 1,500 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 105 acre-feet. Completed in 1970, the structure is well into its service life at over 50 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 08/25/2022.
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 | Anson |
| Nearest City | Lilesville |
| River/Stream | Mccoy Creek |
| Coordinates | 34.97320, -79.93090 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Length | 1,500 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 105 acre-ft |
| Max Storage | 105 acre-ft |
| Normal Storage | 96 acre-ft |
| Surface Area | 10 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Anson County |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 08/25/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NC06055 |
| Federal ID | NC06055 |
| More Info | State Dam Safety Program |