PlainWater

Caldwell County, Missouri

SDWIS compliance plate

Sheet MO025 · Caldwell County 8 sys · 928 viol · #2670/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-HIGH 55.9% health
  • RANK-BOTTOM #2670/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 63%
  • SYS-TINY 8 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, Caldwell County ranks #2,670 of 3,254 counties by people served, and #93 of 115 counties in Missouri. See methodology · corpus placement.

Caldwell 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 55.9% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for Caldwell County . Population served ranks #2,670 of 3,254 · #93 of 115 in Missouri.

Flagged-rate neighbourhood around Caldwell County

Lowest/highest poles plus in-state counties nearest Caldwell 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
Hamilton PWS 1,813 120 -
Caldwell County PWSD 3 1,452 5 -
Braymer PWS 878 168 -
Caldwell County PWSD 2 695 134 -
Polo PWS 575 14 -
Caldwell County PWSD 1 335 69 -
Breckenridge PWS 333 406 -
Kingston PWS 290 12 -

Compare beyond Missouri

Mid-flagged peers for Caldwell County

Cross-state counties nearest Caldwell County on flagged-system share (100.0%) and cumulative violation count (928). 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.