County · South Carolina
Williamsburg County, South Carolina: drinking water records
This overview covers 7 ZIP codes and 8 community water systems in Williamsburg 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 |
|---|---|---|---|---|---|
| Wcwsa (Sc4510007) SC4510007 | 7,099 | 240 | 0 | 2 | 2.7 ppb |
| Hemingway Town of (Sc4510004) SC4510004 | 3,191 | 180 | 0 | 6 | 1.5 ppb |
| Kingstree Town of (Sc4510002) SC4510002 | 6,009 | 300 | 0 | 0 | 2.9 ppb |
| Greeleyville Town of (Sc4510001) SC4510001 | 850 | 0 | 0 | 0 | 2.6 ppb |
| Lane Town of (4510005) SC4510005 | 585 | 0 | 0 | 0 | 4.3 ppb |
| Stuckey Town of (Sc4510003) SC4510003 | 317 | 0 | 0 | 0 | 1.2 ppb |
| Bgwc Rock Bluff S/D (4550001) SC4550001 | 45 | 0 | 0 | 0 | 1.3 ppb |
| Country Acres MHP NC0145148 | 30 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Williamsburg 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.