PlainWater

Ross County, Ohio

SDWIS compliance plate

Sheet OH141 · Ross County 9 sys · 417 viol · #744/3254

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

  • VIOL-SEVERE 88.9% flagged
  • HEALTH-LOW 12.0% health
  • RANK-UPPER #744/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 66.7% detect
  • SRC-GW GW lead 100%
  • SYS-TINY 9 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Ross County ranks #744 of 3,254 counties by people served, and #34 of 88 counties in Ohio. See methodology · corpus placement.

Ross County standing, lower-flagged corpus third

Flagged-system rate 88.9% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 12.0% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 66.7% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #744 of 3,254 · #34 of 88 in Ohio.

Flagged-rate neighbourhood around Ross County

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

0% 20% 40% 60% 80% 100% Fayette · lowest Ross · this county Wood · near Vinton · highest 78.6% 88.5% 88.9% 88.9% 89.1% 89.3% 100%

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

Water Systems

System Name Population Violations PFAS
Ross County Water Co Inc 35,345 28 Detected
Chillicothe City PWS 21,725 24 Detected
Chillicothe Correctional Institution 9,000 72 Clean
Frankfort Village PWS 1,100 5 -
Kingston Village PWS 1,032 140 -
Bainbridge Village PWS 900 62 -
Clarksburg Village PWS 500 80 -
Greenfield Church of Jesus Christ PWS 70 0 -
The Old Home Place PWS 25 6 -

Compare beyond Ohio

Lower-flagged peers for Ross County

Cross-state counties nearest Ross County on flagged-system share (88.9%) and cumulative violation count (417). 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.