PlainWater

Atchison County, Missouri

SDWIS compliance plate

Sheet MO005 · Atchison County 6 sys · 191 viol · #2859/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 14.7% health
  • RANK-BOTTOM #2859/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-TINY 6 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, Atchison County ranks #2,859 of 3,254 counties by people served, and #107 of 115 counties in Missouri. See methodology · corpus placement.

Atchison 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 14.7% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Atchison County . Population served ranks #2,859 of 3,254 · #107 of 115 in Missouri.

Flagged-rate neighbourhood around Atchison County

Lowest/highest poles plus in-state counties nearest Atchison 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
Tarkio Board of Public Works PWS 1,494 51 -
Rock Port PWS 1,318 9 -
Atchison County PWSD 1 700 59 -
Fairfax PWS 638 5 -
Westboro PWS 115 63 -
Atchison County Wholesale Water Comm 25 4 -

Compare beyond Missouri

Mid-flagged peers for Atchison County

Cross-state counties nearest Atchison County on flagged-system share (100.0%) and cumulative violation count (191). 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.