Sequoyah County, Oklahoma
SDWIS compliance plate
Sheet OK135 · Sequoyah County 15 sys · 1,738 viol · #1100/3254
VIOL-SEVERE · HEALTH-MID · RANK-UPPER · PHOTO-FINISH · PFAS-CLEAN · SRC-SW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-MID 39.2% health
- RANK-UPPER #1100/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-CLEAN 0.0% detect
- SRC-SW SW lead 100%
- 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, Sequoyah County ranks #1,100 of 3,254 counties by people served, and #20 of 77 counties in Oklahoma. See methodology · corpus placement.
Sequoyah 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 39.2% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #1,100 of 3,254 · #20 of 77 in Oklahoma.
Flagged-rate neighbourhood around Sequoyah County
Lowest/highest poles plus in-state counties nearest Sequoyah County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Sequoyah Co. RWD #8 | 13,460 | 199 | Clean |
| Sallisaw | 8,510 | 60 | Clean |
| Muldrow PWA | 3,104 | 170 | - |
| Sequoyah Co. RWD #7 | 2,948 | 61 | - |
| Roland | 2,842 | 237 | - |
| Sequoyah Co. RWD #4 | 1,750 | 54 | - |
| Gore PWA | 1,688 | 142 | - |
| Vian | 1,445 | 39 | - |
| East Central Oklahoma Water Authority | 1,200 | 299 | - |
| Sequoyah Co. RWD #5 | 1,075 | 92 | - |
| Sequoyah Co. RWD #3 | 1,040 | 47 | - |
| Gans Utility Authority | 600 | 160 | - |
| Sequoyah Co. RWD #5 | 250 | 86 | - |
| Lee Creek RWD | 250 | 22 | - |
| Fin and Feather Resort | 232 | 70 | - |
Compare beyond Oklahoma
Mid-flagged peers for Sequoyah County
Cross-state counties nearest Sequoyah County on flagged-system share (100.0%) and cumulative violation count (1,738). 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.