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Water system · PWSID TX1870034

CANYON PARK WSC

ONALASKA, TX · ~1,200 people served

Check your exact address → ONALASKA overview
100
Excellent
PurityRadar safety score

PWSID

TX1870034

State

Texas

City

ONALASKA

Population served

1,200

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

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

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

Lithium

94,800 ppt

limit —

No federal limit

Violations & enforcement

11

Violations on record

0

Unaddressed

1

Health-based

41

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Resolved
Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2019 Resolved
Monitoring & reporting · EPA contaminant 3014 began Jul 2017 Resolved
Monitoring & reporting · EPA contaminant 3014 began Dec 2016 Resolved
Other · EPA contaminant 7000 began Jul 2016 Resolved
Other · EPA contaminant 7500 began Oct 2015 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2015 Resolved
Monitoring & reporting · Total coliform began Jun 2015 Resolved
Monitoring & reporting · Total coliform began Sep 2005 Resolved

Recent enforcement actions

  • State action · SIA Dec 2025
  • State action · SOX Jun 2025
  • State action · SOX Apr 2025
  • State action · SOX Apr 2025
  • State action · SIF Apr 2025
  • State action · SOX Apr 2025
  • State action · SIF Apr 2025
  • State action · SOX Apr 2025

This profile is built from EPA public records for system TX1870034 — 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.