Hydrology - Water Resources Report 29

Potentiometric Surface of the Black Creek Aquifer in South Carolina, November 2001

Brenda L. Hockensmith


The potentiometric surface of the Black Creek aquifer for November 2001 shows that ground water flows generally to the southeast in most of the Coastal Plain of South Carolina. Flow is locally affected by pumping, as indicated by potentiometric lows at Marion, Andrews, Georgetown, and Pawleys Island.

Comparing the November 2001 data with historical data shows that water levels near the outcrop areas of this aquifer are declining. In areas influenced by pumping, water levels have declined 55 to 204 feet (or even more) since the beginning of ground-water supply development. Water levels have declined also as a result of the drought conditions that have persisted in South Carolina since 1998.

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Paper or electronic versions of this report are available from the SCDNR's Columbia office.