PlainWater

Kershaw County, South Carolina

SDWIS compliance plate

Sheet SC055 · Kershaw County 11 sys · 235 viol · #726/3254

VIOL-SEVERE · HEALTH-HIGH · RANK-UPPER · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-HIGH 45.1% health
  • RANK-UPPER #726/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 66.7% detect
  • SRC-GW GW lead 73%
  • SYS-SMALL 11 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: McCormick County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Kershaw County ranks #726 of 3,254 counties by people served, and #18 of 46 counties in South Carolina. See methodology · corpus placement.

Kershaw County standing, mid-flagged corpus third

Flagged-system rate 100.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 45.1% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 66.7% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #726 of 3,254 · #18 of 46 in South Carolina.

Flagged-rate neighbourhood around Kershaw County

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

0% 20% 40% 60% 80% 100% Horry · lowest Calhoun · near Lee · highest 26.4% 90.9% 90.9% 100% 100% 100%

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

Water Systems

Compare beyond South Carolina

Mid-flagged peers for Kershaw County

Cross-state counties nearest Kershaw County on flagged-system share (100.0%) and cumulative violation count (235). 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.