County · South Carolina
Lancaster County, South Carolina: drinking water records
This overview covers 4 ZIP codes and 5 community water systems in Lancaster County. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Lancaster County W&SD (Sc2920001) SC2920001 | 79,107 | 120 | 2 | 1 | 5 ppb |
| Lancaster City of (Sc2910001) SC2910001 | 14,074 | 120 | 4 | 0 | 3 ppb |
| Catawba River Wsp (2920002) SC2920002 | 25 | 0 | 0 | 1 | 0 ppb |
| Kershaw Town of (Sc2910003) SC2910003 | 2,567 | 0 | 0 | 0 | 0 ppb |
| Heath Springs Town of (Sc2910002) SC2910002 | 947 | 0 | 0 | 0 | 3 ppb |
ZIP reports in Lancaster County
No ZIP report in this county is published yet.
Sources and scope
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.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.