State

South Carolina: drinking water records

EPA lists 558 community water systems serving homes in South Carolina. 164 took part in EPA's national PFAS survey (UCMR 5), and 92 found at least one PFAS above the level laboratories can measure.

In focus558community water systems

Public records. Clearer context.

Counties

• Abbeville County 5 systems
• Aiken County 25 systems
• Allendale County 4 systems
• Anderson County 34 systems
• Bamberg County 4 systems
• Barnwell County 5 systems
• Beaufort County 13 systems
• Berkeley County 13 systems
• Calhoun County 3 systems
• Charleston County 16 systems
• Cherokee County 6 systems
• Chester County 1 systems
• Chesterfield County 10 systems
• Clarendon County 9 systems
• Colleton County 7 systems
• Darlington County 5 systems
• Dillon County 5 systems
• Dorchester County 21 systems
• Edgefield County 2 systems
• Fairfield County 7 systems
• Florence County 7 systems
• Georgetown County 11 systems
• Greenville County 9 systems
• Greenwood County 6 systems
• Hampton County 8 systems
• Horry County 10 systems
• Jasper County 3 systems
• Kershaw County 6 systems
• Lancaster County 5 systems
• Laurens County 5 systems
• Lee County 2 systems
• Lexington County 71 systems
• Marion County 4 systems
• Marlboro County 5 systems
• McCormick County 2 systems
• Newberry County 8 systems
• Oconee County 15 systems
• Orangeburg County 16 systems
• Pickens County 20 systems
• Richland County 26 systems
• Saluda County 5 systems
• Spartanburg County 7 systems
• Sumter County 17 systems
• Union County 8 systems
• Williamsburg County 8 systems
• York County 63 systems

ZIP reports

Sources

EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.