Cornwell Dam
Cornwell Dam is a dam located in Lancaster County, South Carolina, built in 1972. It carries a Low hazard potential classification and has a poor condition assessment.
About Cornwell Dam
The primary purpose of Cornwell Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by William Earl Iii And Maria Jones Trustees - Revocable Trust (private). It impounds the Tr-sixmile Creek.
The dam stands 20 feet tall, creates a reservoir covering 6 acres, and has a maximum storage capacity of 51 acre-feet. Completed in 1972, the structure is well into its service life at over 50 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/29/2017.
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Location
| State | South Carolina |
| County | Lancaster |
| River/Stream | Tr-sixmile Creek |
| Coordinates | 34.96820, -80.83520 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 51 acre-ft |
| Max Storage | 51 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 6 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | WILLIAM EARL III AND MARIA JONES TRUSTEES - REVOCABLE TRUST |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 08/29/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SCD01750 |
| Federal ID | SCD01750 |
| More Info | State Dam Safety Program |