PlainWater

Sedgwick County, Kansas

SDWIS compliance plate

Sheet KS173 · Sedgwick County 29 sys · 1,514 viol · #142/3254

VIOL-SEVERE · HEALTH-MID · RANK-TOP · PHOTO-FINISH · PFAS-MID · SRC-GW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 93.1% flagged
  • HEALTH-MID 21.4% health
  • RANK-TOP #142/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-MID 27.3% detect
  • SRC-GW GW lead 66%
  • SYS-SMALL 29 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Douglas County ( -0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Sedgwick County ranks #142 of 3,254 counties by people served, and #2 of 105 counties in Kansas. See methodology · corpus placement.

Sedgwick County standing, mid-flagged corpus third

Flagged-system rate 93.1% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 21.4% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 27.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #142 of 3,254 · #2 of 105 in Kansas.

Flagged-rate neighbourhood around Sedgwick County

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

0% 20% 40% 60% 80% 100% Chase · lowest Nemaha · near Sedgwick · this county Greeley · highest 85.7% 88.9% 90.9% 92.9% 93.1% 94.4% 100%

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

Water Systems

System Name Population Violations PFAS
Wichita, City Of 395,699 11 Clean
Derby, City Of 25,413 75 Clean
Haysville, City Of 11,315 51 Clean
Park City, City Of 8,503 79 Detected
Bel Aire, City Of 8,448 24 Clean
Valley Center, City Of 7,419 39 Clean
Maize, City Of 6,060 0 Clean
Sedgwick Co RWD 3 6,045 39 Clean
McConnell Afb 6,009 26 Clean
Goddard, City Of 5,372 62 Detected
Clearwater, City Of 2,626 68 -
Sedgwick Co RWD 4 2,580 26 -
Kechi, City Of 2,261 10 -
Cheney, City Of 2,170 34 -
Colwich, City Of 1,463 16 -
Sedgwick Co RWD 2 1,460 39 Detected
Sedgwick Co RWD 1 1,275 15 -
Garden Plain, City Of 941 47 -
Andale, City Of 938 20 -
Mount Hope, City Of 783 17 -
Bentley, City Of 569 29 -
Occidental Chemical Corp 300 26 -
YMCA Camp Hyde Inc 300 117 -
The Farm at Eberly, Inc 200 66 -
Viola, City Of 115 249 -
Evonik Corporation 75 11 -
All Seasons RV Land LLC 70 296 -
North Star RV Park and Mobile Home Comm 16 22 -
Chisholm Creek Utility Authority 1 0 -

Compare beyond Kansas

Mid-flagged peers for Sedgwick County

Cross-state counties nearest Sedgwick County on flagged-system share (93.1%) and cumulative violation count (1,514). 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.