PlainWater

Andrew County, Missouri

SDWIS compliance plate

Sheet MO003 · Andrew County 10 sys · 578 viol · #545/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 22.5% health
  • RANK-TOP #545/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 10 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, Andrew County ranks #545 of 3,254 counties by people served, and #11 of 115 counties in Missouri. See methodology · corpus placement.

Andrew 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 22.5% is health-based share in the middle 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 #545 of 3,254 · #11 of 115 in Missouri.

Flagged-rate neighbourhood around Andrew County

Lowest/highest poles plus in-state counties nearest Andrew 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
MO American St Joseph 89,171 1 Clean
Andrew County PWSD 1 6,042 12 Clean
Savannah PWS 5,170 57 Clean
Andrew County PWSD 2 3,580 6 Clean
Andrew County PWSD 3 1,178 131 -
Andrew County PWSD 4 600 57 -
Amazonia PWS 236 39 -
Fillmore PWS 214 140 -
Bolckow PWS 177 8 -
Rosendale PWS 142 127 -

Compare beyond Missouri

Mid-flagged peers for Andrew County

Cross-state counties nearest Andrew County on flagged-system share (100.0%) and cumulative violation count (578). 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.