PlainWater

Chesterfield County, South Carolina

SDWIS compliance plate

Sheet SC025 · Chesterfield County 12 sys · 373 viol · #1036/3254

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

  • VIOL-SEVERE 83.3% flagged
  • HEALTH-MID 37.3% health
  • RANK-UPPER #1036/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-MID 33.3% detect
  • SRC-GW GW lead 75%
  • SYS-SMALL 12 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Chesterfield County ranks #1,036 of 3,254 counties by people served, and #25 of 46 counties in South Carolina. See methodology · corpus placement.

Chesterfield County standing, lower-flagged corpus third

Flagged-system rate 83.3% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 37.3% 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 #1,036 of 3,254 · #25 of 46 in South Carolina.

Flagged-rate neighbourhood around Chesterfield County

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

0% 20% 40% 60% 80% 100% Horry · lowest Chesterfield · this county Fairfield · near Lee · highest 26.4% 82.4% 83.3% 83.3% 83.3% 84.6% 100%

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

Water Systems

Compare beyond South Carolina

Lower-flagged peers for Chesterfield County

Cross-state counties nearest Chesterfield County on flagged-system share (83.3%) and cumulative violation count (373). 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.