PlainWater

Guernsey County, Ohio

SDWIS compliance plate

Sheet OH059 · Guernsey County 14 sys · 1,556 viol · #1297/3254

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

  • VIOL-SEVERE 92.9% flagged
  • HEALTH-HIGH 53.7% health
  • RANK-UPPER #1297/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 66.7% detect
  • SRC-GW GW lead 64%
  • SYS-SMALL 14 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Guernsey County ranks #1,297 of 3,254 counties by people served, and #58 of 88 counties in Ohio. See methodology · corpus placement.

Guernsey County standing, mid-flagged corpus third

Flagged-system rate 92.9% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 53.7% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 66.7% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,297 of 3,254 · #58 of 88 in Ohio.

Flagged-rate neighbourhood around Guernsey County

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

0% 20% 40% 60% 80% 100% Fayette · lowest Perry · near Knox · near Vinton · highest 78.6% 92.5% 92.6% 92.9% 92.9% 93.3% 100%

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

Water Systems

System Name Population Violations PFAS
Cambridge, City Of 10,520 494 Detected
Guernsey Co. Water Dept. 8,891 25 Detected
Byesville 5,104 528 Clean
Western Guernsey Regional Water District 3,225 29 -
Salt Fork Utility Co. 2,054 239 -
Quaker City 750 63 -
Pike's Peak Campground 700 0 -
Pleasant City, Village Of 447 43 -
I70 Fuel Mart 727 240 7 -
Spring Valley Outdoors, Inc 200 46 -
Genie Management, LLC PWS 200 24 -
Kimbolton Marathon 60 35 -
Big Sky Campground 54 5 -
Georgetown Winery 25 18 -

Compare beyond Ohio

Mid-flagged peers for Guernsey County

Cross-state counties nearest Guernsey County on flagged-system share (92.9%) and cumulative violation count (1,556). 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.