PlainWater

Highland County, Ohio

SDWIS compliance plate

Sheet OH071 · Highland County 9 sys · 677 viol · #1057/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 28.5% health
  • RANK-UPPER #1057/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 89%
  • 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, Highland County ranks #1,057 of 3,254 counties by people served, and #48 of 88 counties in Ohio. See methodology · corpus placement.

Highland 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 28.5% is health-based share above the upper 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 #1,057 of 3,254 · #48 of 88 in Ohio.

Flagged-rate neighbourhood around Highland County

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

0% 20% 40% 60% 80% 100% Fayette · lowest Vinton · highest Lorain · near Clermont · 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
Highland County Water Company, Inc. 28,421 29 Clean
Hillsboro City 6,650 66 Clean
Greenfield Village PWS 4,600 39 Clean
Lynchburg Village PWS 1,515 201 -
Leesburg Village 1,315 38 -
Corner Market LLC PWS 136 18 -
Faith and Light Mennonite Church 113 54 -
Good Shepherd U B Church PWS 100 176 -
Cedar Hill Campground 80 56 -

Compare beyond Ohio

Mid-flagged peers for Highland County

Cross-state counties nearest Highland County on flagged-system share (100.0%) and cumulative violation count (677). 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.