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County profile · EPA SDWIS + UCMR5

Clayton County, Georgia

3 SDWIS-listed public water systems serve 298,499 people in Clayton County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

3
SDWIS water systems Smaller third of counties
272
Total violations Lower third of counties
100.0%
SDWIS systems w/ a violation Middle third of counties
100.0%
UCMR5 PFAS rate (1 tested) Upper third of counties with tests

SDWIS compliance plate

Sheet GA063 · Clayton County 3 sys · 272 viol · #235/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-TINY · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 14.0% health
  • RANK-TOP #235/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 100.0% detect
  • SRC-GW GW lead 67%
  • SYS-TINY 3 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Clayton County ranks #235 of 3,254 counties by people served, and #6 of 159 counties in Georgia. See methodology · corpus placement.

Clayton 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 14.0% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #235 of 3,254 · #6 of 159 in Georgia.

Flagged-rate neighbourhood around Clayton County

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

0% 20% 40% 60% 80% 100% Habersham · lowest Wilkes · highest Gwinnett · near DeKalb · near 64.7% 100% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
Clayton County Water Authority 298,374 13 Detected
Corinth Woods Subdivision 75 179 -
Camp Calvin 50 80 -

Compare beyond Georgia

Mid-flagged peers for Clayton County

Cross-state counties nearest Clayton County on flagged-system share (100.0%) and cumulative violation count (272). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.