CheckPFAS

City overview · Buchanan County

PFAS in Saint Joseph, MO

Low Level

EPA UCMR 5 tested 4 public water systems serving the Saint Joseph area across 3 ZIP codes. Only trace PFAS were detected across Saint Joseph's tested systems.

Water systems tested
4
Systems above EPA limits
0
ZIP codes covered
3
County
Buchanan County, Missouri

Plain English

01What this means for Saint Joseph

The water systems serving the Saint Joseph 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 Saint Joseph

  1. MO AMERICAN ST JOSEPH

    1 detected · 0 above limit · PWSID MO1010714

    Low Level

  2. ANDREW COUNTY PWSD 1

    1 detected · 0 above limit · PWSID MO1024004

    Low Level

  3. ANDREW COUNTY PWSD 2

    1 detected · 0 above limit · PWSID MO1024005

    Low Level

  4. DEKALB COUNTY PWSD 1

    1 detected · 0 above limit · PWSID MO1024191

    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.

645056450664507

Source & Methodology

About this data

Source
EPA UCMR 5
Sampling period
January 2023 – December 2025
Aggregation
4 utilities across 3 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 Saint Joseph 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.