Benton County, Washington
SDWIS compliance plate
Sheet WA005 · Benton County 113 sys · 10,713 viol · #252/3254
VIOL-SEVERE · HEALTH-LOW · RANK-TOP · BELOW-PEER · PFAS-HIGH · SRC-GW · SYS-MID · BOOK-FULL
- VIOL-SEVERE 82.3% flagged
- HEALTH-LOW 8.0% health
- RANK-TOP #252/3254
- BELOW-PEER 1.0 pp cleaner
- PFAS-HIGH 50.0% detect
- SRC-GW GW lead 91%
- SYS-MID 113 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Columbia County (+ 1 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Benton County ranks #252 of 3,254 counties by people served, and #8 of 39 counties in Washington. See methodology · corpus placement.
Benton County standing, lower-flagged corpus third
Flagged-system rate 82.3% is at or below the corpus lower third (≤ 92.7% 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 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #252 of 3,254 · #8 of 39 in Washington.
Flagged-rate neighbourhood around Benton County
Lowest/highest poles plus in-state counties nearest Benton County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
Compare beyond Washington
Lower-flagged peers for Benton County
Cross-state counties nearest Benton County on flagged-system share (82.3%) and cumulative violation count (10,713). 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.