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Water system · PWSID TX0910052

TANGLEWOOD ON TEXOMA

AUSTIN, TX · ~4,341 people served

Check your exact address → AUSTIN overview
67
Fair
PurityRadar safety score

PWSID

TX0910052

State

Texas

City

AUSTIN

Population served

4,341

Primary source

SWP

Score history

▼ 33 points — the score moved from 100 to 67 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 67

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 Oct 2025). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

28 ppt

limit 10 ppt

Above EPA limit · 2.8×

Lithium

11,700 ppt

limit —

No federal limit

PFBS

6.9 ppt

limit —

No federal limit

PFPeS

5.2 ppt

limit —

No federal limit

PFBA

5 ppt

limit —

No federal limit

PFPeA

4.1 ppt

limit —

No federal limit

PFHxA

3.8 ppt

limit —

No federal limit

Violations & enforcement

31

Violations on record

0

Unaddressed

8

Health-based

40

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2016. Official EPA record →

Other · EPA contaminant 7500 began Jan 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
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2014 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2013 Resolved
Monitoring & reporting · EPA contaminant 2955 began Jan 2009 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2009 Resolved
Monitoring & reporting · EPA contaminant 2980 began Jan 2009 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jan 2009 Resolved
Monitoring & reporting · EPA contaminant 2977 began Jan 2009 Resolved
Monitoring & reporting · EPA contaminant 2969 began Jan 2009 Resolved

Recent enforcement actions

  • State action · SFO Jan 2016
  • State action · SOX Jul 2015
  • State action · SFJ Jun 2015
  • State action · SIF Jun 2015
  • State action · SIE Apr 2015
  • State action · SIA Apr 2015
  • State action · SIF Mar 2015
  • State action · SIF Feb 2015

This profile is built from EPA public records for system TX0910052 — 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.