PlainWater

Brown County, Ohio

SDWIS compliance plate

Sheet OH015 · Brown County 7 sys · 802 viol · #984/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 12.7% health
  • RANK-UPPER #984/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 50.0% detect
  • SRC-GW GW lead 71%
  • SYS-TINY 7 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, Brown County ranks #984 of 3,254 counties by people served, and #43 of 88 counties in Ohio. See methodology · corpus placement.

Brown 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 12.7% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #984 of 3,254 · #43 of 88 in Ohio.

Flagged-rate neighbourhood around Brown County

Lowest/highest poles plus in-state counties nearest Brown 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
Brown County Rural Water 32,090 309 Clean
Mount Orab Village PWS 6,607 98 Detected
Georgetown Village PWS 4,243 8 Detected
Waynoka Regional Water and Sewer Dist 2,428 72 Clean
Sardinia Village PWS 952 167 -
Hamersville Village PWS 925 9 -
Fayetteville Village PWS 309 139 -

Compare beyond Ohio

Mid-flagged peers for Brown County

Cross-state counties nearest Brown County on flagged-system share (100.0%) and cumulative violation count (802). 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.