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County profile · EPA SDWIS + UCMR5

Sterling County, Texas

2 SDWIS-listed public water systems serve 930 people in Sterling County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

2
SDWIS water systems Smaller third of counties
80
Total violations Lower third of counties
100.0%
SDWIS systems w/ a violation Middle third of counties
-
UCMR5 PFAS (none tested) No UCMR5 tests

SDWIS compliance plate

Sheet TX431 · Sterling County 2 sys · 80 viol · #3175/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 5.0% health
  • RANK-BOTTOM #3175/3254
  • 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, Sterling County ranks #3,175 of 3,254 counties by people served, and #244 of 254 counties in Texas. See methodology · corpus placement.

Sterling 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 5.0% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Sterling County . Population served ranks #3,175 of 3,254 · #244 of 254 in Texas.

Flagged-rate neighbourhood around Sterling County

Lowest/highest poles plus in-state counties nearest Sterling 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 Sterling City 888 1 -
Capricorn Ridge Wind Farm 42 79 -

Compare beyond Texas

Mid-flagged peers for Sterling County

Cross-state counties nearest Sterling County on flagged-system share (100.0%) and cumulative violation count (80). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.