PlainWater

Pacific County, Washington

SDWIS compliance plate

Sheet WA049 · Pacific County 38 sys · 3,844 viol · #1260/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 7.1% health
  • RANK-UPPER #1260/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 82%
  • SYS-SMALL 38 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Pacific County ranks #1,260 of 3,254 counties by people served, and #29 of 39 counties in Washington. See methodology · corpus placement.

Pacific 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 7.1% 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 #1,260 of 3,254 · #29 of 39 in Washington.

Flagged-rate neighbourhood around Pacific County

Lowest/highest poles plus in-state counties nearest Pacific County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Grant · lowest Skamania · near Wahkiakum · highest 69.8% 97.7% 98.3% 100% 100% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

Compare beyond Washington

Mid-flagged peers for Pacific County

Cross-state counties nearest Pacific County on flagged-system share (100.0%) and cumulative violation count (3,844). 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.