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Counties → Texas

King County, Texas

SDWIS compliance plate

Sheet TX269 · King County 1 sys · 566 viol · #3231/3254

VIOL-SEVERE · HEALTH-HIGH · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-TINY · BOOK-MOST

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-HIGH 93.1% health
  • RANK-BOTTOM #3231/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-TINY 1 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, King County ranks #3,231 of 3,254 counties by people served, and #254 of 254 counties in Texas. See methodology · corpus placement.

King 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 93.1% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for King County . Population served ranks #3,231 of 3,254 · #254 of 254 in Texas.

Flagged-rate neighbourhood around King County

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

0% 20% 40% 60% 80% 100% Howard · lowest Bee · highest Hidalgo · near Guadalupe · near 66.7% 100% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
Rra Guthrie Dumont Water System 291 566 -

Compare beyond Texas

Mid-flagged peers for King County

Cross-state counties nearest King County on flagged-system share (100.0%) and cumulative violation count (566). In-state neighbours stay on the compliance plate above.

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

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.