PlainWater

Washita County, Oklahoma

SDWIS compliance plate

Sheet OK149 · Washita County 11 sys · 1,954 viol · #2419/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 25.7% health
  • RANK-LOWER #2419/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 73%
  • SYS-SMALL 11 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, Washita County ranks #2,419 of 3,254 counties by people served, and #57 of 77 counties in Oklahoma. See methodology · corpus placement.

Washita 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 25.7% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for Washita County . Population served ranks #2,419 of 3,254 · #57 of 77 in Oklahoma.

Flagged-rate neighbourhood around Washita County

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

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

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

Water Systems

System Name Population Violations PFAS
New Cordell Utility Authority 2,903 291 -
Burns Flat PWS 2,057 152 -
Washita Co RWD #2 1,032 25 -
Sentinel PWS 859 42 -
Dill City 526 130 -
Canute 524 491 -
Corn PWA 500 208 -
Clinton-Sherman Industrial Airpark 358 75 -
Rocky 202 88 -
Bessie 190 95 -
Foss 127 357 -

Compare beyond Oklahoma

Mid-flagged peers for Washita County

Cross-state counties nearest Washita County on flagged-system share (100.0%) and cumulative violation count (1,954). 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.