PlainWater

Butler County, Kansas

SDWIS compliance plate

Sheet KS015 · Butler County 21 sys · 1,552 viol · #973/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 25.3% health
  • RANK-UPPER #973/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 90%
  • SYS-SMALL 21 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, Butler County ranks #973 of 3,254 counties by people served, and #11 of 105 counties in Kansas. See methodology · corpus placement.

Butler 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 25.3% 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 #973 of 3,254 · #11 of 105 in Kansas.

Flagged-rate neighbourhood around Butler County

Lowest/highest poles plus in-state counties nearest Butler 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
El Dorado, City Of 12,810 123 Clean
Augusta, City Of 9,267 101 Clean
Butler Co RWD 5 6,457 20 Clean
Rose Hill, City Of 4,269 24 Clean
Butler Co RWD 6 2,655 82 -
Butler Co RWD 4 1,565 137 -
Douglass, City Of 1,551 35 -
Butler Co RWD 2 1,534 143 -
Butler Co RWD 3 1,494 16 -
Butler Co RWD 7 1,455 56 -
Towanda, City Of 1,445 50 -
Benton, City Of 946 80 -
Butler Co RWD 1 782 84 -
Leon, City Of 667 115 -
Whitewater, City Of 666 65 -
Potwin, City Of 424 88 -
Elbing, City Of 225 16 -
Cassoday, City Of 111 132 -
Latham, City Of 101 82 -
Simmons Subdivision Sanitation System 75 93 -
Public Wholesale WSD 8 1 10 -

Compare beyond Kansas

Mid-flagged peers for Butler County

Cross-state counties nearest Butler County on flagged-system share (100.0%) and cumulative violation count (1,552). 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.