PlainWater

Neosho County, Kansas

SDWIS compliance plate

Sheet KS133 · Neosho County 15 sys · 1,635 viol · #1915/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 38.8% health
  • RANK-MID #1915/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 100%
  • SYS-SMALL 15 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, Neosho County ranks #1,915 of 3,254 counties by people served, and #31 of 105 counties in Kansas. See methodology · corpus placement.

Neosho 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 38.8% is health-based share above the upper 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 #1,915 of 3,254 · #31 of 105 in Kansas.

Flagged-rate neighbourhood around Neosho County

Lowest/highest poles plus in-state counties nearest Neosho 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
Chanute, City Of 8,642 67 Clean
Neosho Co RWD 4 2,095 18 -
Neosho Co RWD 2 1,210 104 -
Erie, City Of 1,037 184 -
Neosho Co RWD 1C 670 214 -
Neosho Co RWD 7 625 26 -
St Paul, City Of 597 31 -
Neosho Co RWD 12 437 9 -
Thayer, City Of 433 373 -
Neosho Co RWD 8 323 67 -
Neosho Co RWD 6 314 44 -
Neosho Co RWD 9 200 18 -
Galesburg, City Of 147 148 -
Neosho Co RWD 3 128 270 -
Coal Hollow Water Company 55 62 -

Compare beyond Kansas

Mid-flagged peers for Neosho County

Cross-state counties nearest Neosho County on flagged-system share (100.0%) and cumulative violation count (1,635). 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.