PlainWater

Canadian County, Oklahoma

SDWIS compliance plate

Sheet OK017 · Canadian County 18 sys · 3,380 viol · #728/3254

VIOL-SEVERE · HEALTH-MID · RANK-UPPER · PHOTO-FINISH · PFAS-MID · SRC-SW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 42.6% health
  • RANK-UPPER #728/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-MID 25.0% detect
  • SRC-SW SW lead 50%
  • SYS-SMALL 18 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Canadian County ranks #728 of 3,254 counties by people served, and #7 of 77 counties in Oklahoma. See methodology · corpus placement.

Canadian 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 42.6% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 25.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #728 of 3,254 · #7 of 77 in Oklahoma.

Flagged-rate neighbourhood around Canadian County

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

0% 20% 40% 60% 80% 100% Murray · lowest Cimarron · highest Payne · near Muskogee · 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
Yukon 22,498 40 Clean
Mustang 18,576 92 Clean
El Reno 16,212 340 Clean
Piedmont Municipal Authority 7,542 395 Detected
Canadian Co Water Authority 1,700 39 -
Canadian Co RWD # 4 907 31 -
Canadian Co RWD # 1 750 1,069 -
Union City 618 139 -
Calumet 600 284 -
Lake Forest MHP 500 106 -
Blue Quail Estates 350 365 -
United Pentecostal Church Okla. Dist. 350 56 -
Canadian Co RWS & Swmd #5 316 258 -
United Methodist Canyon Camp 300 25 -
Savannah Station 30 4 -
Boilings Place 25 77 -
Express Ranches 25 33 -
Gordon's Hollow HOA 25 27 -

Compare beyond Oklahoma

Mid-flagged peers for Canadian County

Cross-state counties nearest Canadian County on flagged-system share (100.0%) and cumulative violation count (3,380). 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.