County · South Carolina
Darlington County, South Carolina: drinking water records
This overview covers 6 ZIP codes and 5 community water systems in Darlington 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 |
|---|---|---|---|---|---|
| Darlington County W&SA (Sc1620001) SC1620001 | 52,288 | 180 | 0 | 0 | 1.6 ppb |
| Hartsville City of (Sc1610003) SC1610003 | 8,711 | 245 | 0 | 0 | 1.8 ppb |
| Darlington City of (Sc1610001) SC1610001 | 7,142 | 240 | 0 | 0 | 0.2 ppb |
| Lamar Town of (Sc1610004) SC1610004 | 1,034 | 60 | 0 | 0 | 0.4 ppb |
| Cedarwood Acres Mobile Home Park GA0310173 | 133 | 0 | 0 | 0 | 7.9 ppb |
ZIP reports in Darlington 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.