PlainWater

Clermont County, Ohio

SDWIS compliance plate

Sheet OH025 · Clermont County 9 sys · 1,204 viol · #352/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 5.6% health
  • RANK-TOP #352/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 83.3% detect
  • SRC-GW GW lead 67%
  • SYS-TINY 9 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Clermont County ranks #352 of 3,254 counties by people served, and #14 of 88 counties in Ohio. See methodology · corpus placement.

Clermont 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 5.6% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 83.3% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #352 of 3,254 · #14 of 88 in Ohio.

Flagged-rate neighbourhood around Clermont County

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

0% 20% 40% 60% 80% 100% Fayette · lowest Vinton · highest Lorain · near Scioto · near 78.6% 100% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
Clermont Public Water System 133,059 62 Detected
Tate-Monroe Water Association PWS 24,092 71 Detected
Loveland City PWS 12,800 38 Detected
Milford City PWS 6,700 628 Detected
Bethel Village PWS 3,900 123 Detected
New Richmond Village PWS 2,698 42 -
Williamsburg Village PWS 2,490 104 -
Felicity Village PWS 1,573 113 Clean
Robin Grays PWS 88 23 -

Compare beyond Ohio

Mid-flagged peers for Clermont County

Cross-state counties nearest Clermont County on flagged-system share (100.0%) and cumulative violation count (1,204). 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.