Johnston Pond Dam
Johnston Pond Dam is a dam located in Lancaster County, South Carolina, built in 1958. It carries a Low hazard potential classification and has a fair condition assessment.
About Johnston Pond Dam
The primary purpose of Johnston Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Sun City Carolina Lakes Homeowners Association (private). It impounds the Tr-catawba River.
The dam stands 21 feet tall, creates a reservoir covering 9 acres, and has a maximum storage capacity of 71 acre-feet. Completed in 1958, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 08/30/2017.
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Location
| State | South Carolina |
| County | Lancaster |
| River/Stream | Tr-catawba River |
| Coordinates | 34.92100, -80.84330 |
Physical Characteristics
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 71 acre-ft |
| Max Storage | 71 acre-ft |
| Normal Storage | 54 acre-ft |
| Surface Area | 9 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | SUN CITY CAROLINA LAKES HOMEOWNERS ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/30/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SCD01746 |
| Federal ID | SCD01746 |
| More Info | State Dam Safety Program |