CheckPFAS

City overview · Kendall County

PFAS in Boerne, TX

High Risk

EPA UCMR 5 tested 5 public water systems serving the Boerne area across 2 ZIP codes. At least one utility serving Boerne has PFAS above the EPA's enforceable limit.

Water systems tested
5
Systems above EPA limits
2
ZIP codes covered
2
County
Kendall County, Texas

Plain English

01What this means for Boerne

Across the 5 public water systems tested in the Boerne 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 Boerne

  1. CITY OF BOERNE

    8 detected · 3 above limit · PWSID TX1300001

    High Risk
  2. SJWTX TRIPLE PEAK PLANT

    4 detected · 2 above limit · PWSID TX0460172

    High Risk
  3. SAN ANTONIO WATER SYSTEM

    4 detected · 0 above limit · PWSID TX0150018

    Low Level
  4. CLWSC CANYON LAKE SHORES

    2 detected · 0 above limit · PWSID TX0460019

    Low Level
  5. FAIR OAKS RANCH UTILITIES

    1 detected · 0 above limit · PWSID TX0150216

    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.

Source & Methodology

About this data

Source
EPA UCMR 5
Sampling period
January 2023 – December 2025
Aggregation
5 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 Boerne 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.