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Water system · PWSID TX1080011

CITY OF WESLACO

WESLACO, TX · ~40,033 people served

Check your exact address → WESLACO overview
86
Excellent
PurityRadar safety score

PWSID

TX1080011

State

Texas

City

WESLACO

Population served

40,033

Primary source

Surface water

Score history

▼ 14 points — the score moved from 100 to 86 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 86

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Nov 2025). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

5 ppt

limit 4 ppt

Above EPA limit · 1.3×

PFHxS

Perfluorohexanesulfonic acid

4.1 ppt

limit 10 ppt

Below EPA limit

Lithium

33,900 ppt

limit —

No federal limit

PFBA

6.3 ppt

limit —

No federal limit

PFHxA

6.2 ppt

limit —

No federal limit

PFPeA

5.9 ppt

limit —

No federal limit

PFHpA

3.6 ppt

limit —

No federal limit

Violations & enforcement

12

Violations on record

3

Unaddressed

1

Health-based

22

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2025. Official EPA record →

Other · EPA contaminant 7500 began May 2025 Unaddressed
Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Other · EPA contaminant 7000 began Jul 2022 Resolved
Other · EPA contaminant 7000 began Jul 2020 Resolved
Other · EPA contaminant 7500 began Jan 2015 Resolved
Monitoring & reporting · EPA contaminant 1009 began Sep 2014 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2014 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2013 Resolved
Other · EPA contaminant 7500 began Feb 2013 Resolved
Monitoring & reporting · EPA contaminant 0300 began Jul 2008 Resolved

Recent enforcement actions

  • State action · SIA May 2025
  • State action · SIE Mar 2025
  • State action · SIE Mar 2025
  • State action · SIA Mar 2025
  • State action · SIA Mar 2025
  • State action · SOX Sep 2024
  • State action · SOX Mar 2023
  • State action · SIA Jan 2023

This profile is built from EPA public records for system TX1080011 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.