PlainWater

Okmulgee County, Oklahoma

SDWIS compliance plate

Sheet OK111 · Okmulgee County 15 sys · 7,090 viol · #1016/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-HIGH 76.5% health
  • RANK-UPPER #1016/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 66.7% detect
  • SRC-SW SW lead 87%
  • SYS-SMALL 15 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, Okmulgee County ranks #1,016 of 3,254 counties by people served, and #17 of 77 counties in Oklahoma. See methodology · corpus placement.

Okmulgee 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 76.5% 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 #1,016 of 3,254 · #17 of 77 in Oklahoma.

Flagged-rate neighbourhood around Okmulgee County

Lowest/highest poles plus in-state counties nearest Okmulgee 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
Okmulgee 13,495 1,326 Clean
Okmulgee Co. RWD #6 (Hectorville) 8,370 496 Detected
Henryetta 6,096 857 Detected
Okmulgee Co. RWD #20 2,377 387 -
Okmulgee Co. RWD #7 (Nuyaka) 2,357 431 -
Okmulgee Co. RWD #2 (Preston) 2,355 481 -
Okmulgee Co. RWD #4 1,913 469 -
Okmulgee Co. RWD #1 1,890 503 -
McIntosh Co. RWD #13 (Wells) 1,465 59 -
Morris 1,460 680 -
Beggs 1,364 940 -
Dewar 917 152 -
Okmulgee Co. RWD #5 (Bryant) 750 57 -
Okmulgee Co. RWD #21 625 179 -
Kusa RWD #3 240 73 -

Compare beyond Oklahoma

Mid-flagged peers for Okmulgee County

Cross-state counties nearest Okmulgee County on flagged-system share (100.0%) and cumulative violation count (7,090). 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.