PlainWater

Barton County, Missouri

SDWIS compliance plate

Sheet MO011 · Barton County 4 sys · 271 viol · #2672/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-HIGH 56.5% health
  • RANK-BOTTOM #2672/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 100.0% detect
  • SRC-GW GW lead 75%
  • SYS-TINY 4 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, Barton County ranks #2,672 of 3,254 counties by people served, and #94 of 115 counties in Missouri. See methodology · corpus placement.

Barton 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 56.5% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #2,672 of 3,254 · #94 of 115 in Missouri.

Flagged-rate neighbourhood around Barton County

Lowest/highest poles plus in-state counties nearest Barton 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
Lamar PWS 4,500 182 Detected
Liberal PWS 759 16 -
Golden City PWS 680 40 -
Mindenmines PWS 340 33 -

Compare beyond Missouri

Mid-flagged peers for Barton County

Cross-state counties nearest Barton County on flagged-system share (100.0%) and cumulative violation count (271). 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.