PlainWater

Gray County, Kansas

SDWIS compliance plate

Sheet KS069 · Gray County 7 sys · 563 viol · #2925/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 32.7% health
  • RANK-BOTTOM #2925/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-TINY 7 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, Gray County ranks #2,925 of 3,254 counties by people served, and #70 of 105 counties in Kansas. See methodology · corpus placement.

Gray 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 32.7% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for Gray County . Population served ranks #2,925 of 3,254 · #70 of 105 in Kansas.

Flagged-rate neighbourhood around Gray County

Lowest/highest poles plus in-state counties nearest Gray 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
Cimarron, City Of 1,973 23 -
Montezuma, City Of 951 8 -
Copeland, City Of 251 303 -
Ingalls, City Of 249 121 -
Ensign, City Of 167 72 -
Montezuma Mennonite School 35 16 -
Kdot Ingalls Rest Area 63502 25 20 -

Compare beyond Kansas

Mid-flagged peers for Gray County

Cross-state counties nearest Gray County on flagged-system share (100.0%) and cumulative violation count (563). 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.