Greenville County, South Carolina: drinking water report. Greenville County serves about 530,000 residents in the Upstate region of South Carolina.
Greenville County serves about 530,000 residents in the Upstate region of South Carolina. Greenville Water draws from the North Saluda and South Saluda Rivers, treating water at the Stovall Water Treatment Plant. The source watersheds are largely forested and located in the foothills of the Blue Ridge Mountains, providing naturally clean water that requires minimal treatment.
Greenville Water's mountain watershed supply is a significant advantage. The utility has consistently maintained excellent compliance records and the source water quality ranks among the best in the Southeast. UCMR5 data shows minimal PFAS detections in the Greenville system.
According to the South Carolina DHEC's 2024 monitoring data, Greenville Water's PFAS readings were well below proposed federal MCLs. The county does not host major military installations. The primary water quality story in Greenville County is positive – clean source water, competent treatment, and modern infrastructure in most of the service area.
Greenville County residents are in a strong position on water quality. The mountain-fed source and modern treatment system produce consistently clean water.
Check your water for current data in your area. Even with clean supply water, a basic carbon filter can improve chlorine taste. Our water filter guide covers options. Pull your detailed report, and visit our South Carolina page for statewide context.