Williams Sediment Pond E is a dam located in Berkeley County, South Carolina, built in 1972. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 11 ft11 ft tall. 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 Williams Sediment Pond E
Williams Sediment Pond E is a dam in Berkeley, South Carolina. The dam is owned by Dominion Energy South Carolina Inc (private). It impounds the Cooper River Offstream.
The dam stands 11 feet tall, creates a reservoir covering 10 acres, and has a maximum storage capacity of 60 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 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 11/30/2017.
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Location
| State | South Carolina |
| County | Berkeley |
| River/Stream | Cooper River Offstream |
| Coordinates | 33.02310, -79.92770 |
Physical Characteristics
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 7 acre-ft |
| Surface Area | 10 acres |
Ownership & Safety
| Purpose | Other |
| Owner | Dominion Energy South Carolina Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/30/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SCD04891 |
| Federal ID | SCD04891 |
| More Info | State Dam Safety Program |