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County profile · EPA SDWIS + UCMR5

Trinity County, Texas

22 SDWIS-listed public water systems serve 22,584 people in Trinity County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

22
SDWIS water systems Middle third of counties
3,664
Total violations Upper third of counties
95.5%
SDWIS systems w/ a violation Middle third of counties
-
UCMR5 PFAS (none tested) No UCMR5 tests

SDWIS compliance plate

Sheet TX455 · Trinity County 22 sys · 3,664 viol · #1668/3254

VIOL-SEVERE · HEALTH-MID · RANK-MID · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-SMALL · BOOK-MOST

  • VIOL-SEVERE 95.5% flagged
  • HEALTH-MID 33.3% health
  • RANK-MID #1668/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 73%
  • SYS-SMALL 22 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Trinity County ranks #1,668 of 3,254 counties by people served, and #114 of 254 counties in Texas. See methodology · corpus placement.

Trinity County standing, mid-flagged corpus third

Flagged-system rate 95.5% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 33.3% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for Trinity County . Population served ranks #1,668 of 3,254 · #114 of 254 in Texas.

Flagged-rate neighbourhood around Trinity County

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

0% 20% 40% 60% 80% 100% Howard · lowest Trinity · this county Calhoun · near Bee · highest 66.7% 95.4% 95.5% 95.5% 95.5% 95.7% 100%

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

Water Systems

System Name Population Violations PFAS
City of Trinity 4,619 155 -
Pennington WSC 2,839 40 -
Westwood Shores MUD 2,125 128 -
Trinity Rural WSC 1 1,700 115 -
Glendale WSC 1,458 1,024 -
Centerville WSC 1,329 378 -
Trinity Rural WSC 3 1,200 67 -
City of Groveton 918 66 -
Woodlake Josserand WSC 903 313 -
Harbor Point 856 2 -
Trinity Pines Conference Center 670 0 -
Nogalus Centralia WSC 656 222 -
Apple Springs WSC 630 30 -
Port Adventure 591 28 -
Camp Management Inc 488 6 -
YMCA Camp Cullen 450 11 -
Nigton Wakefield WSC 352 611 -
Trinity Rural WSC 2 322 74 -
Deer Run and White Rock City Marina 226 298 -
Whispering Pines Golf Club 160 59 -
Bell Water 92 27 -
Tra Trinity County Regional 0 10 -

Compare beyond Texas

Mid-flagged peers for Trinity County

Cross-state counties nearest Trinity County on flagged-system share (95.5%) and cumulative violation count (3,664). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.