PlainWater

Adair County, Oklahoma

SDWIS compliance plate

Sheet OK001 · Adair County 10 sys · 1,845 viol · #2121/3254

VIOL-SEVERE · HEALTH-LOW · RANK-LOWER · PHOTO-FINISH · PFAS-NONE · SRC-SW · SYS-SMALL · BOOK-MOST

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 6.9% health
  • RANK-LOWER #2121/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-SW SW lead 80%
  • SYS-SMALL 10 systems
  • BOOK-MOST 6/7 fields

Nearest flagged-rate peer: Tulsa County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Adair County ranks #2,121 of 3,254 counties by people served, and #46 of 77 counties in Oklahoma. See methodology · corpus placement.

Adair 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 6.9% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Adair County . Population served ranks #2,121 of 3,254 · #46 of 77 in Oklahoma.

Flagged-rate neighbourhood around Adair County

Lowest/highest poles plus in-state counties nearest Adair 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
Stilwell 3,276 69 -
Adair Co RWD #3 2,598 64 -
Adair Co RWD #1 (Cherry Tree) 2,000 82 -
Adair Co RWD #2 1,675 35 -
Westville Utility Authority 1,596 93 -
Adair Co RWD #4 1,025 51 -
Adair Co RWD #5 675 648 -
Watts 316 103 -
Fidlers Bend 135 375 -
Adair Co RWS & Swmd #6 27 325 -

Compare beyond Oklahoma

Mid-flagged peers for Adair County

Cross-state counties nearest Adair County on flagged-system share (100.0%) and cumulative violation count (1,845). 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.