PlainWater

Chase County, Kansas

SDWIS compliance plate

Sheet KS017 · Chase County 7 sys · 862 viol · #3089/3254

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

  • VIOL-SEVERE 85.7% flagged
  • HEALTH-MID 20.8% health
  • RANK-BOTTOM #3089/3254
  • PHOTO-FINISH ±1.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-TINY 7 systems
  • BOOK-MOST 6/7 fields

Nearest flagged-rate peer: McPherson County (+ 1 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Chase County ranks #3,089 of 3,254 counties by people served, and #92 of 105 counties in Kansas. See methodology · corpus placement.

Chase County standing, lower-flagged corpus third

Flagged-system rate 85.7% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 20.8% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Chase County . Population served ranks #3,089 of 3,254 · #92 of 105 in Kansas.

Flagged-rate neighbourhood around Chase County

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

0% 20% 40% 60% 80% 100% Chase · this county · lowest Seward · near Douglas · near 85.7% 86.7% 88.9% 90.9% 92.9% 100%

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

Water Systems

System Name Population Violations PFAS
Cottonwood Falls, City Of 821 32 -
Strong City, City Of 455 13 -
Chase Co RWD 1 330 48 -
Matfield Green, City Of 52 74 -
Elmdale, City Of 42 190 -
Cedar Point, City Of 27 505 -
Public Wholesale WSD 26 1 0 -

Compare beyond Kansas

Lower-flagged peers for Chase County

Cross-state counties nearest Chase County on flagged-system share (85.7%) and cumulative violation count (862). 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.