PlainWater

Erie County, Ohio

SDWIS compliance plate

Sheet OH043 · Erie County 13 sys · 980 viol · #677/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 34.3% health
  • RANK-UPPER #677/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 100%
  • SYS-SMALL 13 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, Erie County ranks #677 of 3,254 counties by people served, and #29 of 88 counties in Ohio. See methodology · corpus placement.

Erie 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 34.3% 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 #677 of 3,254 · #29 of 88 in Ohio.

Flagged-rate neighbourhood around Erie County

Lowest/highest poles plus in-state counties nearest Erie 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
Sandusky City 25,793 44 Clean
Erie Co Perkins District 17,241 35 Clean
Vermilion City 10,569 316 Clean
Huron City 6,893 61 Clean
Northern Ohio Rural Water - NW District 6,409 4 Clean
Erie Co Margaretta District 5,131 26 Clean
Kelleys Island Village 3,125 286 -
Erie Co Huron East District 1,713 16 -
Milan Village 1,371 21 -
Erie Co Huron South District 1,086 17 -
Erie Co Vermilion District 930 8 -
Camp Patmos 150 119 -
Erie Co Vermilion W District 54 27 -

Compare beyond Ohio

Mid-flagged peers for Erie County

Cross-state counties nearest Erie County on flagged-system share (100.0%) and cumulative violation count (980). 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.