County · South Carolina
Florence County, South Carolina: drinking water records
This overview covers 11 ZIP codes and 7 community water systems in Florence 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 |
|---|---|---|---|---|---|
| Florence City of (Sc2110001) SC2110001 | 79,745 | 840 | 5 | 2 | 1.1 ppb |
| Lake City City of (Sc2110007) SC2110007 | 9,191 | 360 | 0 | 0 | 1.3 ppb |
| Johnsonville City of (Sc2110011) SC2110011 | 5,083 | 240 | 0 | 0 | 5.6 ppb |
| Coward Town of (Sc2110012) SC2110012 | 2,283 | 0 | 0 | 0 | 0.6 ppb |
| Pamplico Town of (Sc2110010) SC2110010 | 1,734 | 0 | 0 | 0 | 0.7 ppb |
| Scranton Town of (Sc2110009) SC2110009 | 1,133 | 0 | 0 | 0 | 0.3 ppb |
| Olanta Town of (Sc2110006) SC2110006 | 801 | 0 | 0 | 0 | 0.8 ppb |
ZIP reports in Florence 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.