Cornerstone Lake A Dam
Cornerstone Lake A Dam is an earth dam located in Rankin County, Mississippi, built in 2006. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Cornerstone Lake A Dam
The primary purpose of Cornerstone Lake A Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cornerstone Homeowners Association (private). It impounds the Terrapin Skin Creek near Brandon.
The dam stands 18 feet tall and stretches 950 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 122 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2006, the structure is relatively new.
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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 09/15/2022.
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 Mississippi 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 | Mississippi |
| County | Rankin |
| Nearest City | Brandon |
| River/Stream | Terrapin Skin Creek |
| Coordinates | 32.30182, -89.98139 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 12 ft |
| Dam Length | 950 ft |
| Year Completed | 2006 (20 years old) |
Storage & Hydraulics
| NID Storage | 122 acre-ft |
| Max Storage | 122 acre-ft |
| Normal Storage | 82 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,884 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | CORNERSTONE HOMEOWNERS ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/15/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MS03673 |
| Federal ID | MS03673 |
| More Info | State Dam Safety Program |