Berkeley County, South Carolina: drinking water report. Berkeley County sits north of Charleston, home to about 230,000 residents in one of the…
Berkeley County sits north of Charleston, home to about 230,000 residents in one of the fastest-growing counties in South Carolina. Berkeley County Water and Sanitation draws from the Bushy Park Reservoir and the Back River. The county includes parts of the Charleston metro's growth corridor and several large industrial facilities.
Berkeley County's water sources provide adequate supply, though the Back River and Bushy Park Reservoir receive inputs from the Cooper River watershed, which includes industrial activity around the former Charleston Naval Shipyard area. UCMR5 data shows low-level PFAS detections in some county systems.
According to the South Carolina DHEC's 2024 monitoring data, county systems met all federal standards. The county's rapid growth has prompted significant investment in water treatment capacity and distribution infrastructure.
Berkeley County's growth means new neighborhoods are being connected regularly. System expansion creates temporary variability.
Check your water for data specific to your area. A carbon or reverse osmosis filter provides added protection. Our water filter guide covers options. Pull your detailed report, and visit our South Carolina page for statewide data.