PlainWater

Kay County, Oklahoma

SDWIS compliance plate

Sheet OK071 · Kay County 14 sys · 1,384 viol · #1018/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 35.9% health
  • RANK-UPPER #1018/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 66.7% detect
  • SRC-SW SW lead 50%
  • SYS-SMALL 14 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, Kay County ranks #1,018 of 3,254 counties by people served, and #18 of 77 counties in Oklahoma. See methodology · corpus placement.

Kay 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 35.9% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 66.7% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,018 of 3,254 · #18 of 77 in Oklahoma.

Flagged-rate neighbourhood around Kay County

Lowest/highest poles plus in-state counties nearest Kay 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
Ponca City Mun Water 27,155 98 Detected
Blackwell Municipal Authority 7,668 250 Clean
Tonkawa 3,299 115 -
Newkirk 2,243 190 -
Kay Co RWD #1 1,765 29 -
Kay Co RWD #3 1,000 17 -
Kay County Rural Water District 7 920 89 -
Kay Co RWD #5 (Dale Water Corp) 765 116 Detected
Kaw City Water Authority 372 215 -
Braman 244 93 -
Arbuckle Mountain Fried Pies - Tonkawa 50 88 -
Kay County RWD #2 50 63 -
Hideaway RV Park 27 16 -
Kay Electric Cooperative 2 5 -

Compare beyond Oklahoma

Mid-flagged peers for Kay County

Cross-state counties nearest Kay County on flagged-system share (100.0%) and cumulative violation count (1,384). 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.