PlainWater

Cowley County, Kansas

SDWIS compliance plate

Sheet KS035 · Cowley County 16 sys · 851 viol · #1222/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 14.2% health
  • RANK-UPPER #1222/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 50.0% detect
  • SRC-SW SW lead 63%
  • SYS-SMALL 16 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, Cowley County ranks #1,222 of 3,254 counties by people served, and #14 of 105 counties in Kansas. See methodology · corpus placement.

Cowley 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 14.2% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,222 of 3,254 · #14 of 105 in Kansas.

Flagged-rate neighbourhood around Cowley County

Lowest/highest poles plus in-state counties nearest Cowley 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
Arkansas City, City Of 11,929 75 Detected
Winfield, City Of 11,726 34 Clean
Cowley Co RWD 3 2,500 99 -
Cowley Co RWD 5 2,000 47 -
Strother Field Airport Ind Park 1,534 11 -
Cowley Co RWD 1 1,500 12 -
Cowley Co RWD 6 792 30 -
Udall, City Of 658 46 -
Cowley Co RWD 2 600 81 -
Burden, City Of 514 74 -
Cowley Co RWD 4 500 24 -
Cowley Co RWD 7 300 38 -
Dexter, City Of 226 45 -
Atlanta, City Of 169 87 -
Cambridge, City Of 92 69 -
Cowley Co RWD 8 50 79 -

Compare beyond Kansas

Mid-flagged peers for Cowley County

Cross-state counties nearest Cowley County on flagged-system share (100.0%) and cumulative violation count (851). 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.