Johnstons Pond is a dam located in Newberry County, South Carolina, built in 1975. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 30 ft30 ft tall, taller than 68% 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 Johnstons Pond
The primary purpose of Johnstons Pond is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by David Glenn & Tammy S Dennis (private). It impounds the Tr-bush River.
The dam stands 30 feet tall, creates a reservoir covering 4 acres, and has a maximum storage capacity of 42 acre-feet. Completed in 1975, 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 10/03/2017.
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Location
| State | South Carolina |
| County | Newberry |
| River/Stream | Tr-bush River |
| Coordinates | 34.27590, -81.70670 |
Physical Characteristics
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 42 acre-ft |
| Max Storage | 42 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 4 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | David Glenn & Tammy S Dennis |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 10/03/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SCD01472 |
| Federal ID | SCD01472 |
| More Info | State Dam Safety Program |