CheckPFAS

City overview · Boone County

PFAS in Columbia, MO

Low Level

EPA UCMR 5 tested 7 public water systems serving the Columbia area across 11 ZIP codes. Only trace PFAS were detected across Columbia's tested systems.

Water systems tested
7
Systems above EPA limits
0
ZIP codes covered
11
County
Boone County, Missouri

Plain English

01What this means for Columbia

The water systems serving the Columbia 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 Columbia

  1. THOMAS HILL PWSD 1

    1 detected · 0 above limit · PWSID MO2024504

    Low Level

  2. COLUMBIA PWS

    1 detected · 0 above limit · PWSID MO3010181

    Low Level

  3. BOONE COUNTY CONS PWSD 1

    1 detected · 0 above limit · PWSID MO3024055

    Low Level

  4. BOONE COUNTY PWSD 9

    1 detected · 0 above limit · PWSID MO3024058

    Low Level

  5. BOONE COUNTY PWSD 4

    1 detected · 0 above limit · PWSID MO3024052

    Low Level

  6. CALLAWAY 2 WATER DISTRICT

    1 detected · 0 above limit · PWSID MO3024085

    Low Level

  7. UNIVERSITY OF MISSOURI COLUMBIA

    1 detected · 0 above limit · PWSID MO3069001

    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.

6520165202652036520565211652126521565216652176521865299

Source & Methodology

About this data

Source
EPA UCMR 5
Sampling period
January 2023 – December 2025
Aggregation
7 utilities across 11 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 Columbia 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.