PlainWater

Florence County, South Carolina

SDWIS compliance plate

Sheet SC041 · Florence County 24 sys · 194 viol · #568/3254

VIOL-SEVERE · HEALTH-MID · RANK-TOP · PHOTO-FINISH · PFAS-MID · SRC-GW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 58.3% flagged
  • HEALTH-MID 26.8% health
  • RANK-TOP #568/3254
  • PHOTO-FINISH ±0.5 pp
  • PFAS-MID 33.3% detect
  • SRC-GW GW lead 88%
  • SYS-SMALL 24 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Jasper County (+ 0.5 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Florence County ranks #568 of 3,254 counties by people served, and #14 of 46 counties in South Carolina. See methodology · corpus placement.

Florence County standing, lower-flagged corpus third

Flagged-system rate 58.3% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 26.8% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 33.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #568 of 3,254 · #14 of 46 in South Carolina.

Flagged-rate neighbourhood around Florence County

Lowest/highest poles plus in-state counties nearest Florence County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Horry · lowest Oconee · near Florence · this county Lee · highest 26.4% 57.1% 57.1% 57.8% 58.3% 58.8% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

Compare beyond South Carolina

Lower-flagged peers for Florence County

Cross-state counties nearest Florence County on flagged-system share (58.3%) and cumulative violation count (194). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.