PlainWater

McLean County, Kentucky

SDWIS compliance plate

Sheet KY149 · McLean County 6 sys · 784 viol · #2474/3254

VIOL-SEVERE · HEALTH-MID · RANK-LOWER · PHOTO-FINISH · PFAS-NONE · SRC-SW · SYS-TINY · BOOK-MOST

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 33.4% health
  • RANK-LOWER #2474/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-SW SW lead 100%
  • SYS-TINY 6 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, McLean County ranks #2,474 of 3,254 counties by people served, and #102 of 118 counties in Kentucky. See methodology · corpus placement.

McLean 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 33.4% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for McLean County . Population served ranks #2,474 of 3,254 · #102 of 118 in Kentucky.

Flagged-rate neighbourhood around McLean County

Lowest/highest poles plus in-state counties nearest McLean 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
Sacramento Water Works 2,435 56 -
Livermore Water Works 2,138 318 -
Island Water Department 1,512 108 -
Beech Grove Water System 1,461 101 -
Calhoun Water Works 966 197 -
McLean County Regional Water Commission 25 4 -

Compare beyond Kentucky

Mid-flagged peers for McLean County

Cross-state counties nearest McLean County on flagged-system share (100.0%) and cumulative violation count (784). 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.