PlainWater

Bryan County, Oklahoma

SDWIS compliance plate

Sheet OK013 · Bryan County 13 sys · 3,370 viol · #1120/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 28.5% health
  • RANK-UPPER #1120/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-MID 33.3% detect
  • SRC-GW GW lead 77%
  • SYS-SMALL 13 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, Bryan County ranks #1,120 of 3,254 counties by people served, and #21 of 77 counties in Oklahoma. See methodology · corpus placement.

Bryan 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 28.5% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 33.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #1,120 of 3,254 · #21 of 77 in Oklahoma.

Flagged-rate neighbourhood around Bryan County

Lowest/highest poles plus in-state counties nearest Bryan 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
Durant Utilities Authority 15,545 56 Clean
Bryan County Rural Water District #5 8,325 280 Detected
Bryan Co. RWS & Swmd #2 6,270 626 Clean
Calera PWA 2,815 228 -
Colbert Pua 2,312 174 -
Bryan Co. RWD #6 990 107 -
Caddo 944 422 -
Bryan Co. RWD #9 820 462 -
Bokchito 564 118 -
Achille 506 83 -
Bryan Co. RWD #7 302 261 -
Kenefic 165 434 -
Colbert Boat Club 54 119 -

Compare beyond Oklahoma

Mid-flagged peers for Bryan County

Cross-state counties nearest Bryan County on flagged-system share (100.0%) and cumulative violation count (3,370). 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.