PlainWater

Miami County, Kansas

SDWIS compliance plate

Sheet KS121 · Miami County 8 sys · 1,084 viol · #1399/3254

VIOL-SEVERE · HEALTH-MID · RANK-MID · PHOTO-FINISH · PFAS-HIGH · SRC-SW · SYS-TINY · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 40.8% health
  • RANK-MID #1399/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 75.0% detect
  • SRC-SW SW lead 100%
  • SYS-TINY 8 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Johnson County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Miami County ranks #1,399 of 3,254 counties by people served, and #19 of 105 counties in Kansas. See methodology · corpus placement.

Miami 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 40.8% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 75.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,399 of 3,254 · #19 of 105 in Kansas.

Flagged-rate neighbourhood around Miami County

Lowest/highest poles plus in-state counties nearest Miami County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Chase · lowest Greeley · highest Wyandotte · near Leavenworth · near 85.7% 100% 100% 100% 100% 100% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Miami Co RWD 2 10,311 136 Detected
Paola, City Of 5,786 96 Detected
Louisburg, City Of 4,994 263 Detected
Osawatomie, City Of 4,280 184 Clean
Miami Co RWD 3 2,435 191 -
Miami Co RWD 4 1,018 66 -
Fontana, City Of 216 141 -
Marais Des Cygnes Public Utility Auth 1 7 -

Compare beyond Kansas

Mid-flagged peers for Miami County

Cross-state counties nearest Miami County on flagged-system share (100.0%) and cumulative violation count (1,084). 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.