PlainWater

Oldham County, Kentucky

SDWIS compliance plate

Sheet KY185 · Oldham County 2 sys · 40 viol · #974/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 30.0% health
  • RANK-UPPER #974/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-TINY 2 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Oldham County ranks #974 of 3,254 counties by people served, and #21 of 118 counties in Kentucky. See methodology · corpus placement.

Oldham 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 30.0% 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 #974 of 3,254 · #21 of 118 in Kentucky.

Flagged-rate neighbourhood around Oldham County

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

0% 20% 40% 60% 80% 100% Ballard · lowest Robertson · highest Fayette · near Warren · near 83.3% 100% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
Oldham County Water District 38,409 30 Clean
Lagrange Utilities Commission 10,067 10 Clean

Compare beyond Kentucky

Mid-flagged peers for Oldham County

Cross-state counties nearest Oldham County on flagged-system share (100.0%) and cumulative violation count (40). In-state neighbours stay on the compliance plate above.

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.