Washington County, Oklahoma
SDWIS compliance plate
Sheet OK147 · Washington County 11 sys · 1,820 viol · #1015/3254
VIOL-SEVERE · HEALTH-MID · RANK-UPPER · PHOTO-FINISH · PFAS-HIGH · SRC-SW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-MID 22.1% health
- RANK-UPPER #1015/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-HIGH 66.7% detect
- SRC-SW SW 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, Washington County ranks #1,015 of 3,254 counties by people served, and #16 of 77 counties in Oklahoma. See methodology · corpus placement.
Washington 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 22.1% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 66.7% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,015 of 3,254 · #16 of 77 in Oklahoma.
Flagged-rate neighbourhood around Washington County
Lowest/highest poles plus in-state counties nearest Washington County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Bartlesville | 34,748 | 142 | Detected |
| Dewey Public Works Authority | 3,490 | 61 | Detected |
| Washington Co RWD #2 | 2,250 | 84 | - |
| Washington Co RWD #1 | 1,375 | 99 | - |
| Washington Co RWD #5 | 900 | 149 | - |
| Le Ann Water | 750 | 211 | - |
| Copan PWA | 733 | 408 | - |
| Ramona Public Works Authority | 564 | 162 | Clean |
| Ochelata Utility Authority | 494 | 95 | - |
| Washington Co RWD #7 | 258 | 306 | - |
| Bar-Dew Water Assoc Inc | 130 | 103 | - |
Compare beyond Oklahoma
Mid-flagged peers for Washington County
Cross-state counties nearest Washington County on flagged-system share (100.0%) and cumulative violation count (1,820). 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.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
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.