Twin Lakes Lower Dam is a dam located in Spartanburg County, South Carolina, built in 1963. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 34 ft34 ft tall, taller than 78% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Twin Lakes Lower Dam
The primary purpose of Twin Lakes Lower Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Twin Lakes Club of Spartanburg Inc (private). It impounds the Tr-middle Tyger River.
The dam stands 34 feet tall, creates a reservoir covering 38 acres, and has a maximum storage capacity of 546 acre-feet. Completed in 1963, 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 06/12/2017.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | South Carolina |
| County | Spartanburg |
| River/Stream | Tr-middle Tyger River |
| Coordinates | 34.88790, -82.02920 |
Physical Characteristics
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 546 acre-ft |
| Max Storage | 546 acre-ft |
| Normal Storage | 456 acre-ft |
| Surface Area | 38 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | Twin Lakes Club of Spartanburg Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/12/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SCD03348 |
| Federal ID | SCD03348 |
| More Info | State Dam Safety Program |