CheckPFAS

City overview · Saint Clair County

PFAS in East Saint Louis, IL

Low Level

EPA UCMR 5 tested 3 public water systems serving the East Saint Louis area across 7 ZIP codes. Only trace PFAS were detected across East Saint Louis's tested systems.

Water systems tested
3
Systems above EPA limits
0
ZIP codes covered
7
County
Saint Clair County, Illinois

Plain English

01What this means for East Saint Louis

The water systems serving the East Saint Louis 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 East Saint Louis

  1. IL AMERICAN-EAST ST LOUIS

    4 detected · 0 above limit · PWSID IL1635040

    Low Level
  2. CAHOKIA HEIGHTS

    4 detected · 0 above limit · PWSID IL1635000

    Low Level
  3. COLUMBIA

    3 detected · 0 above limit · PWSID IL1330050

    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
3 utilities across 7 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 East Saint Louis 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.