PlainWater

Coryell County, Texas

SDWIS compliance plate

Sheet TX099 · Coryell County 15 sys · 1,383 viol · #702/3254

VIOL-SEVERE · HEALTH-MID · RANK-UPPER · PHOTO-FINISH · PFAS-HIGH · SRC-SW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 31.8% health
  • RANK-UPPER #702/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 100.0% detect
  • SRC-SW SW lead 80%
  • SYS-SMALL 15 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Coryell County ranks #702 of 3,254 counties by people served, and #51 of 254 counties in Texas. See methodology · corpus placement.

Coryell 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 31.8% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #702 of 3,254 · #51 of 254 in Texas.

Flagged-rate neighbourhood around Coryell County

Lowest/highest poles plus in-state counties nearest Coryell 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
City of Copperas Cove 37,225 10 Detected
City of Gatesville 16,135 58 Detected
Coryell City Water Supply District 6,042 140 Detected
Multi-County WSC 4,302 217 Detected
Fort Gates WSC 2,500 130 -
US Army North Fort Cavazos 2,500 15 -
Mountain WSC 2,400 108 -
Topsey WSC 963 59 -
The Grove WSC 808 105 -
Cedar Grove Mobile Home Park 595 259 -
City of Oglesby 454 25 -
City of Evant 426 113 -
Flat WSC 180 67 -
Leon Junction WSC 120 71 -
Tdcj Water Hauler Rvi Facilities Maint 25 6 -

Compare beyond Texas

Mid-flagged peers for Coryell County

Cross-state counties nearest Coryell County on flagged-system share (100.0%) and cumulative violation count (1,383). 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.