PlainWater

Cooper County, Missouri

SDWIS compliance plate

Sheet MO053 · Cooper County 8 sys · 853 viol · #2149/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-HIGH 45.5% health
  • RANK-LOWER #2149/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 50.0% detect
  • SRC-GW GW lead 75%
  • SYS-TINY 8 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, Cooper County ranks #2,149 of 3,254 counties by people served, and #66 of 115 counties in Missouri. See methodology · corpus placement.

Cooper 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 45.5% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #2,149 of 3,254 · #66 of 115 in Missouri.

Flagged-rate neighbourhood around Cooper County

Lowest/highest poles plus in-state counties nearest Cooper 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
Boonville PWS 7,964 129 Detected
Cooper County Consolidated PWSD # 1 2,451 149 -
Pilot Grove PWS 768 39 Clean
Cooper County PWSD 1 562 33 -
Otterville PWS 450 37 -
Bunceton PWS 354 116 -
Prairie Home PWS 280 74 -
Blackwater PWS 181 276 -

Compare beyond Missouri

Mid-flagged peers for Cooper County

Cross-state counties nearest Cooper County on flagged-system share (100.0%) and cumulative violation count (853). 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.