CheckPFAS

City overview · Travis County

PFAS in Austin, TX

High Risk

EPA UCMR 5 tested 11 public water systems serving the Austin area across 50 ZIP codes. At least one utility serving Austin has PFAS above the EPA's enforceable limit.

Water systems tested
11
Systems above EPA limits
2
ZIP codes covered
50
County
Travis County, Texas

Plain English

01What this means for Austin

Across the 11 public water systems tested in the Austin area under EPA UCMR 5, one or more measured a PFAS compound above the federal Maximum Contaminant Level. Contamination varies by utility and neighborhood — find your exact ZIP code below to see the system that serves you. If you're in an affected area, an NSF/ANSI 53 or 58 certified filter (carbon block or reverse osmosis) is the most reliable way to reduce PFAS at the tap.

By utility

02Water systems serving Austin

  1. MANVILLE WSC

    11 detected · 3 above limit · PWSID TX2270033

    High Risk

  2. CITY OF AUSTIN WATER & WASTEWATER

    6 detected · 1 above limit · PWSID TX2270001

    High Risk

  3. BRUSHY CREEK MUD

    6 detected · 0 above limit · PWSID TX2460061

    Moderate

  4. CREEDMOOR MAHA WSC

    6 detected · 0 above limit · PWSID TX2270008

    Moderate

  5. CITY OF ROUND ROCK

    5 detected · 0 above limit · PWSID TX2460003

    Moderate

  6. AUSTINS COLONY

    3 detected · 0 above limit · PWSID TX2270255

    Low Level

  7. AUSTIN WHITE LIME COMPANY MCNEIL PLANT &

    1 detected · 0 above limit · PWSID TX2270196

    Low Level

  8. WELLS BRANCH MUD 1

    1 detected · 0 above limit · PWSID TX2270227

    Low Level

  9. TRAVIS COUNTY WCID 17

    1 detected · 0 above limit · PWSID TX2270027

    Low Level

  10. WEST TRAVIS COUNTY PUBLIC UTILITY AGENCY

    1 detected · 0 above limit · PWSID TX2270235

    Low Level

  11. WILLIAMSON TRAVIS COUNTY MUD 1

    1 detected · 0 above limit · PWSID TX2460120

    Low Level

By ZIP code

03Find your exact result

Contamination can differ block to block. Select your ZIP code for the precise reading at the utility that serves your address.

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Source & Methodology

About this data

Source
EPA UCMR 5
Sampling period
January 2023 – December 2025
Aggregation
11 utilities across 50 ZIP codes
Detection threshold (MRL)
~1.5–2 ppt

City-level figures aggregate the individual public water systems tested under EPA UCMR 5 whose service area falls within the Austin area. Values reflect water quality at the treatment plant; your home's plumbing can affect what reaches your tap. Select your ZIP above for the utility-specific reading.