PlainWater

Greenwood County, South Carolina

SDWIS compliance plate

Sheet SC047 · Greenwood County 17 sys · 265 viol · #888/3254

VIOL-SEVERE · HEALTH-HIGH · RANK-UPPER · BELOW-PEER · PFAS-HIGH · SRC-GW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 64.7% flagged
  • HEALTH-HIGH 60.0% health
  • RANK-UPPER #888/3254
  • BELOW-PEER 2.0 pp cleaner
  • PFAS-HIGH 100.0% detect
  • SRC-GW GW lead 65%
  • SYS-SMALL 17 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Aiken County (+ 2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Greenwood County ranks #888 of 3,254 counties by people served, and #23 of 46 counties in South Carolina. See methodology · corpus placement.

Greenwood County standing, lower-flagged corpus third

Flagged-system rate 64.7% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 60.0% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #888 of 3,254 · #23 of 46 in South Carolina.

Flagged-rate neighbourhood around Greenwood County

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

0% 20% 40% 60% 80% 100% Horry · lowest Aiken · near Marion · near Lee · highest 26.4% 64.7% 66.7% 66.7% 66.7% 66.7% 100%

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

Water Systems

Compare beyond South Carolina

Lower-flagged peers for Greenwood County

Cross-state counties nearest Greenwood County on flagged-system share (64.7%) and cumulative violation count (265). 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.