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County profile · EPA SDWIS + UCMR5

Clarke County, Georgia

11 SDWIS-listed public water systems serve 127,468 people in Clarke County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

11
SDWIS water systems Smaller third of counties
883
Total violations Middle third of counties
100.0%
SDWIS systems w/ a violation Middle third of counties
0.0%
UCMR5 PFAS rate (2 tested) Lower third of counties with tests

SDWIS compliance plate

Sheet GA059 · Clarke County 11 sys · 883 viol · #491/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 15.3% health
  • RANK-TOP #491/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 73%
  • SYS-SMALL 11 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, Clarke County ranks #491 of 3,254 counties by people served, and #17 of 159 counties in Georgia. See methodology · corpus placement.

Clarke 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 15.3% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #491 of 3,254 · #17 of 159 in Georgia.

Flagged-rate neighbourhood around Clarke County

Lowest/highest poles plus in-state counties nearest Clarke 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

Compare beyond Georgia

Mid-flagged peers for Clarke County

Cross-state counties nearest Clarke County on flagged-system share (100.0%) and cumulative violation count (883). 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.