PlainWater

Terrell County, Texas

SDWIS compliance plate

Sheet TX443 · Terrell County 2 sys · 142 viol · #3185/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 7.7% health
  • RANK-BOTTOM #3185/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-TINY 2 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, Terrell County ranks #3,185 of 3,254 counties by people served, and #246 of 254 counties in Texas. See methodology · corpus placement.

Terrell 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 7.7% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Terrell County . Population served ranks #3,185 of 3,254 · #246 of 254 in Texas.

Flagged-rate neighbourhood around Terrell County

Lowest/highest poles plus in-state counties nearest Terrell 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
Terrell County Wcid 1 800 123 -
Oxy Terrell Plant 27 19 -

Compare beyond Texas

Mid-flagged peers for Terrell County

Cross-state counties nearest Terrell County on flagged-system share (100.0%) and cumulative violation count (142). 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
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.