PlainWater

Buchanan County, Missouri

SDWIS compliance plate

Sheet MO021 · Buchanan County 5 sys · 67 viol · #2987/3254

VIOL-SEVERE · HEALTH-LOW · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-TINY · BOOK-MOST

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 9.0% health
  • RANK-BOTTOM #2987/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-TINY 5 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Buchanan County ranks #2,987 of 3,254 counties by people served, and #113 of 115 counties in Missouri. See methodology · corpus placement.

Buchanan 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 9.0% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Buchanan County . Population served ranks #2,987 of 3,254 · #113 of 115 in Missouri.

Flagged-rate neighbourhood around Buchanan County

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

0% 20% 40% 60% 80% 100% Shannon · lowest Mercer · highest Jackson · near Boone · 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
Buchanan County PWSD 1 2,115 3 -
Easton PWS 250 30 -
Dekalb PWS 250 27 -
Hillview MHP Lindale LLC 222 3 -
Tri Level MHP Lindale LLC 100 4 -

Compare beyond Missouri

Mid-flagged peers for Buchanan County

Cross-state counties nearest Buchanan County on flagged-system share (100.0%) and cumulative violation count (67). 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.