PlainWater

Platte County, Missouri

SDWIS compliance plate

Sheet MO165 · Platte County 20 sys · 659 viol · #911/3254

VIOL-SEVERE · HEALTH-LOW · RANK-UPPER · PHOTO-FINISH · PFAS-HIGH · SRC-SW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 18.2% health
  • RANK-UPPER #911/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 75.0% detect
  • SRC-SW SW lead 60%
  • SYS-SMALL 20 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, Platte County ranks #911 of 3,254 counties by people served, and #21 of 115 counties in Missouri. See methodology · corpus placement.

Platte 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 18.2% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 75.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #911 of 3,254 · #21 of 115 in Missouri.

Flagged-rate neighbourhood around Platte County

Lowest/highest poles plus in-state counties nearest Platte 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 Platte County 16,645 4 Clean
Platte Co PWSD 4 9,552 47 Detected
Platte County Cons PWSD 1 6,900 1 Detected
Platte City PWS 4,691 21 Detected
Platte County PWSD 6 2,095 6 -
Weatherby Lake PWS 2,077 3 -
Platte Co PWSD 9 1,860 34 -
Weston PWS 1,850 41 -
Platte County PWSD 7 1,725 34 -
Platte County PWSD 8 1,200 151 -
Lake Waukomis PWS 1,083 11 -
Ferrelview PWS 802 42 -
Platte County PWSD 2 741 32 -
Dearborn PWS 670 29 -
Edgerton PWS 615 48 -
Platte County PWSD 3 615 55 -
Tracy PWS 390 55 -
Northmoor PWS 375 9 -
Green Hills Mhc LLC 135 2 -
Covenant Cove RV Resort 10 34 -

Compare beyond Missouri

Mid-flagged peers for Platte County

Cross-state counties nearest Platte County on flagged-system share (100.0%) and cumulative violation count (659). 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.