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Water system · PWSID TX0460172

SJWTX TRIPLE PEAK PLANT

CANYON LAKE, TX · ~32,973 people served

Check your exact address → CANYON LAKE overview
85
Excellent
PurityRadar safety score

PWSID

TX0460172

State

Texas

City

CANYON LAKE

Population served

32,973

Primary source

Surface water

Score history

▼ 15 points — the score moved from 100 to 85 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 85

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 2024). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

5.2 ppt

limit 4 ppt

Above EPA limit · 1.3×

PFHxS

Perfluorohexanesulfonic acid

4.3 ppt

limit 10 ppt

Below EPA limit

Lithium

15,500 ppt

limit —

No federal limit

PFBS

6.1 ppt

limit —

No federal limit

Violations & enforcement

65

Violations on record

0

Unaddressed

6

Health-based

104

Enforcement actions

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

Monitoring · Lead & Copper Rule began Sep 2025 Resolved
Monitoring · Lead & Copper Rule began Sep 2021 Resolved
Monitoring & reporting · EPA contaminant 0200 began Feb 2021 Resolved
Monitoring & reporting · EPA contaminant 3014 began Mar 2018 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2016 Resolved
Monitoring & reporting · Total coliform began Apr 2013 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2009 Resolved
Monitoring & reporting · EPA contaminant 0200 began Aug 2007 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jan 2007 Resolved
Monitoring & reporting · EPA contaminant 2969 began Jan 2007 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jan 2007 Resolved

Recent enforcement actions

  • State action · SOX Nov 2025
  • State action · SIE Oct 2025
  • State action · SIA Oct 2025
  • State action · SIF Jul 2022
  • State action · SOX Nov 2021
  • State action · SIE Nov 2021
  • State action · SIA Nov 2021
  • State action · SIF Sep 2021

This profile is built from EPA public records for system TX0460172 — 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.