PlainWater

Cimarron County, Oklahoma

SDWIS compliance plate

Sheet OK025 · Cimarron County 6 sys · 1,096 viol · #3067/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 11.5% health
  • RANK-BOTTOM #3067/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-TINY 6 systems
  • BOOK-MOST 6/7 fields

Nearest flagged-rate peer: Tulsa County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Cimarron County ranks #3,067 of 3,254 counties by people served, and #77 of 77 counties in Oklahoma. See methodology · corpus placement.

Cimarron 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 11.5% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Cimarron County . Population served ranks #3,067 of 3,254 · #77 of 77 in Oklahoma.

Flagged-rate neighbourhood around Cimarron County

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

0% 20% 40% 60% 80% 100% Murray · lowest Payne · near 88.9% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
Boise City PWA 1,483 532 -
Keyes Utility Auth. 315 124 -
Felt School 100 304 -
Camp Billy Joe 50 66 -
Cimarron Feeders 49 57 -
Black Mesa State Park 26 13 -

Compare beyond Oklahoma

Mid-flagged peers for Cimarron County

Cross-state counties nearest Cimarron County on flagged-system share (100.0%) and cumulative violation count (1,096). 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.