PlainWater

Marshall County, Kansas

SDWIS compliance plate

Sheet KS117 · Marshall County 11 sys · 636 viol · #2524/3254

VIOL-SEVERE · HEALTH-MID · RANK-LOWER · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-SMALL · BOOK-MOST

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 23.9% health
  • RANK-LOWER #2524/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-SMALL 11 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Marshall County ranks #2,524 of 3,254 counties by people served, and #44 of 105 counties in Kansas. See methodology · corpus placement.

Marshall 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 23.9% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Marshall County . Population served ranks #2,524 of 3,254 · #44 of 105 in Kansas.

Flagged-rate neighbourhood around Marshall County

Lowest/highest poles plus in-state counties nearest Marshall 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
Marysville, City Of 3,417 71 -
Marshall Co RWD 3 1,228 41 -
Blue Rapids, City Of 921 49 -
Frankfort, City Of 717 20 -
Waterville, City Of 656 46 -
Axtell, City Of 398 43 -
Beattie, City Of 199 34 -
Marshall Co RWD 1 160 155 -
Summerfield, City Of 126 30 -
Vermillion, City Of 78 61 -
Oketo, City Of 65 86 -

Compare beyond Kansas

Mid-flagged peers for Marshall County

Cross-state counties nearest Marshall County on flagged-system share (100.0%) and cumulative violation count (636). 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.