PlainWater

Wilson County, Texas

SDWIS compliance plate

Sheet TX493 · Wilson County 18 sys · 516 viol · #865/3254

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

  • VIOL-SEVERE 94.4% flagged
  • HEALTH-LOW 6.0% health
  • RANK-UPPER #865/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 18 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Dallas County (+ 0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Wilson County ranks #865 of 3,254 counties by people served, and #65 of 254 counties in Texas. See methodology · corpus placement.

Wilson County standing, mid-flagged corpus third

Flagged-system rate 94.4% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 6.0% 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 #865 of 3,254 · #65 of 254 in Texas.

Flagged-rate neighbourhood around Wilson County

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

0% 20% 40% 60% 80% 100% Howard · lowest Potter · near Dallas · near Bee · highest 66.7% 93.9% 94.1% 94.4% 94.6% 94.7% 100%

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

Water Systems

System Name Population Violations PFAS
Ss WSC 20,766 3 Clean
City of Floresville 8,306 19 Clean
Oak Hills WSC 6,225 1 Clean
Sunko WSC 5,064 10 Clean
Picosa WSC 3,210 30 -
City of Poth 2,994 42 -
City of la Vernia 2,526 50 -
Eagle Creek Ranch 2,409 19 -
Three Oaks WSC 1,887 5 -
City of Stockdale 1,693 20 -
Creekwood Estates 876 4 -
C Willow Water 855 68 -
Shady Oaks Water 432 60 -
Hickory Hill Water 342 44 -
Seven Oaks Water Supply 165 6 -
Vista Ridge 154 63 -
Arrowhead Water System 135 72 -
Reynolds Energy Transport 25 0 -

Compare beyond Texas

Mid-flagged peers for Wilson County

Cross-state counties nearest Wilson County on flagged-system share (94.4%) and cumulative violation count (516). 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.