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Water system · PWSID TX0720037

MOUNTAIN LAKES ADDITION

100
Excellent
PurityRadar safety score

PWSID

TX0720037

State

Texas

City

AUSTIN

Population served

1,347

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

3

Violations on record

0

Unaddressed

0

Health-based

9

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2020. Official EPA record →

Monitoring · Lead & Copper Rule began Mar 2020 Resolved
Other · EPA contaminant 7500 began Apr 2003 Resolved
Monitoring & reporting · Total coliform began Dec 2002 Resolved

Recent enforcement actions

  • State action · SIF Dec 2020
  • State action · SOX May 2020
  • State action · SIE May 2020
  • State action · SIA May 2020
  • State action · SOX Jan 2011
  • State action · SIA Mar 2003
  • State action · SIA Jan 2003
  • State action · SIE Jan 2003

This profile is built from EPA public records for system TX0720037 — 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.