PlainWater

Pottawatomie County, Oklahoma

SDWIS compliance plate

Sheet OK125 · Pottawatomie County 27 sys · 18,870 viol · #959/3254

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

  • VIOL-SEVERE 96.3% flagged
  • HEALTH-LOW 11.2% health
  • RANK-UPPER #959/3254
  • PHOTO-FINISH ±0.3 pp
  • PFAS-HIGH 100.0% detect
  • SRC-GW GW lead 74%
  • SYS-SMALL 27 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Comanche County ( -0.3 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Pottawatomie County ranks #959 of 3,254 counties by people served, and #13 of 77 counties in Oklahoma. See methodology · corpus placement.

Pottawatomie County standing, mid-flagged corpus third

Flagged-system rate 96.3% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 11.2% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #959 of 3,254 · #13 of 77 in Oklahoma.

Flagged-rate neighbourhood around Pottawatomie County

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

0% 20% 40% 60% 80% 100% Murray · lowest Pottawatomie · this county Cimarron · highest 88.9% 95.9% 96% 96.3% 96.7% 96.8% 100%

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

Water Systems

Compare beyond Oklahoma

Mid-flagged peers for Pottawatomie County

Cross-state counties nearest Pottawatomie County on flagged-system share (96.3%) and cumulative violation count (18,870). 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.