PlainWater

Pontotoc County, Oklahoma

SDWIS compliance plate

Sheet OK123 · Pontotoc County 11 sys · 615 viol · #1171/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 8.0% health
  • RANK-UPPER #1171/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 11 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, Pontotoc County ranks #1,171 of 3,254 counties by people served, and #23 of 77 counties in Oklahoma. See methodology · corpus placement.

Pontotoc 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 8.0% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #1,171 of 3,254 · #23 of 77 in Oklahoma.

Flagged-rate neighbourhood around Pontotoc County

Lowest/highest poles plus in-state counties nearest Pontotoc 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
Ada 22,600 34 Clean
Pontotoc Co RWD # 7 4,863 24 Clean
Pontotoc Co RWD # 8 4,250 53 Clean
Pontotoc Co RWD # 9 1,162 25 -
Allen PWA 937 19 -
Pontotoc Co RWD # 6 (Fittstown) 896 44 -
Roff 800 136 -
Stonewall PWA 465 86 -
Pontotoc Co RWD # 1 (Homer) 441 58 -
Francis 390 124 -
Dollar General Cr 3522 26 12 -

Compare beyond Oklahoma

Mid-flagged peers for Pontotoc County

Cross-state counties nearest Pontotoc County on flagged-system share (100.0%) and cumulative violation count (615). 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.