PlainWater

Chautauqua County, Kansas

SDWIS compliance plate

Sheet KS019 · Chautauqua County 10 sys · 1,223 viol · #2992/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 42.2% health
  • RANK-BOTTOM #2992/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-SW SW lead 90%
  • SYS-SMALL 10 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, Chautauqua County ranks #2,992 of 3,254 counties by people served, and #76 of 105 counties in Kansas. See methodology · corpus placement.

Chautauqua 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 42.2% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for Chautauqua County . Population served ranks #2,992 of 3,254 · #76 of 105 in Kansas.

Flagged-rate neighbourhood around Chautauqua County

Lowest/highest poles plus in-state counties nearest Chautauqua 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
Sedan, City Of 1,005 170 -
Chautauqua Co RWD 4 475 30 -
Cedar Vale, City Of 475 97 -
Chautauqua Co RWD 2 278 46 -
Chautauqua Co RWD 3 200 106 -
Chautauqua Co RWD 1 135 74 -
Chautauqua, City Of 110 95 -
Peru, City Of 105 121 -
Elgin, City Of 56 398 -
Public Wholesale WSD 20 1 86 -

Compare beyond Kansas

Mid-flagged peers for Chautauqua County

Cross-state counties nearest Chautauqua County on flagged-system share (100.0%) and cumulative violation count (1,223). 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.