PlainWater

Boone County, Missouri

SDWIS compliance plate

Sheet MO019 · Boone County 13 sys · 462 viol · #299/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 33.3% health
  • RANK-TOP #299/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 13 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Boone County ranks #299 of 3,254 counties by people served, and #7 of 115 counties in Missouri. See methodology · corpus placement.

Boone 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 33.3% 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 #299 of 3,254 · #7 of 115 in Missouri.

Flagged-rate neighbourhood around Boone County

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

0% 20% 40% 60% 80% 100% Shannon · lowest Mercer · highest Jackson · near Clay · near 69.6% 100% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
City of Columbia Utilities 126,254 7 Clean
University of Missouri Columbia 40,000 14 Clean
Boone County Cons PWSD 1 24,700 22 Clean
Boone County PWSD 9 15,035 90 Clean
Boone County PWSD 4 6,455 14 Clean
Boone County PWSD 10 4,963 28 Clean
Centralia PWS 4,027 17 Clean
Ashland PWS 3,700 8 Clean
Hallsville PWS 1,400 29 -
Sturgeon PWS 872 27 -
Kuhle H20 450 139 -
Green Hills MHP 195 34 -
Coopers Landing 150 33 -

Compare beyond Missouri

Mid-flagged peers for Boone County

Cross-state counties nearest Boone County on flagged-system share (100.0%) and cumulative violation count (462). 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.