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Water system · PWSID TX1070106

CAROLYNN ESTATES

AUSTIN, TX · ~3,906 people served

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

PWSID

TX1070106

State

Texas

City

AUSTIN

Population served

3,906

Primary source

Surface water

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

PFHxS

Perfluorohexanesulfonic acid

3.9 ppt

limit 10 ppt

Below EPA limit

PFBA

7 ppt

limit —

No federal limit

PFBS

3.1 ppt

limit —

No federal limit

Violations & enforcement

18

Violations on record

1

Unaddressed

10

Health-based

67

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2024. Official EPA record →

Other · EPA contaminant 7500 began Dec 2025 Unaddressed
Other · EPA contaminant 7000 began Jul 2024 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Feb 2020 Resolved
Monitoring & reporting · Lead & Copper Rule began Apr 2018 Resolved
Other · EPA contaminant 7500 began Jul 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2014 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2014 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2013 Resolved
Other · EPA contaminant 7500 began Dec 2013 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2013 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2013 Resolved

Recent enforcement actions

  • State action · SOX Sep 2024
  • State action · SIA Sep 2024
  • State action · SIF Apr 2020
  • State action · SOX Mar 2020
  • State action · SIE Mar 2020
  • State action · SIA Mar 2020
  • State action · SOX May 2018
  • State action · SIA May 2018

This profile is built from EPA public records for system TX1070106 — 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.