PlainWater

Clay County, Kansas

SDWIS compliance plate

Sheet KS027 · Clay County 8 sys · 637 viol · #2662/3254

VIOL-SEVERE · HEALTH-HIGH · RANK-BOTTOM · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-TINY · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-HIGH 53.7% health
  • RANK-BOTTOM #2662/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-TINY 8 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, Clay County ranks #2,662 of 3,254 counties by people served, and #54 of 105 counties in Kansas. See methodology · corpus placement.

Clay 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 53.7% 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 #2,662 of 3,254 · #54 of 105 in Kansas.

Flagged-rate neighbourhood around Clay County

Lowest/highest poles plus in-state counties nearest Clay 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
Clay Center, City Of 4,138 42 Clean
Clay Co RWD 2 950 106 -
Wakefield, City Of 846 55 -
Morganville, City Of 183 148 -
Clay Co RWD 1 98 13 -
Green, City Of 97 177 -
Longford, City Of 73 60 -
Hawks Landing 51 36 -

Compare beyond Kansas

Mid-flagged peers for Clay County

Cross-state counties nearest Clay County on flagged-system share (100.0%) and cumulative violation count (637). 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.