CheckPFAS

City overview · Collin County

PFAS in Allen, TX

Low Level

EPA UCMR 5 tested 4 public water systems serving the Allen area across 2 ZIP codes. Only trace PFAS were detected across Allen's tested systems.

Water systems tested
4
Systems above EPA limits
0
ZIP codes covered
2
County
Collin County, Texas

Plain English

01What this means for Allen

The water systems serving the Allen area measured only low, trace concentrations of PFAS — well below the EPA's Maximum Contaminant Levels. For most residents this represents minimal risk from drinking water. Review your specific ZIP below, and check your utility's annual Consumer Confidence Report for year-over-year trends.

By utility

02Water systems serving Allen

  1. CITY OF ALLEN

    4 detected · 0 above limit · PWSID TX0430025

    Low Level

  2. CITY OF PARKER

    4 detected · 0 above limit · PWSID TX0430045

    Low Level

  3. CITY OF LUCAS

    4 detected · 0 above limit · PWSID TX0430054

    Low Level

  4. CITY OF PLANO

    4 detected · 0 above limit · PWSID TX0430007

    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.

7500275013

Source & Methodology

About this data

Source
EPA UCMR 5
Sampling period
January 2023 – December 2025
Aggregation
4 utilities across 2 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 Allen 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.