CheckPFAS

City overview · Bonneville County

PFAS in Idaho Falls, ID

Low Level

EPA UCMR 5 tested 3 public water systems serving the Idaho Falls area across 6 ZIP codes. Only trace PFAS were detected across Idaho Falls's tested systems.

Water systems tested
3
Systems above EPA limits
0
ZIP codes covered
6
County
Bonneville County, Idaho

Plain English

01What this means for Idaho Falls

The water systems serving the Idaho Falls 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 Idaho Falls

  1. FALLS WATER COMPANY INC

    1 detected · 0 above limit · PWSID ID7100030

    Low Level

  2. IDAHO FALLS CITY OF

    1 detected · 0 above limit · PWSID ID7100039

    Low Level

  3. AMMON CITY OF

    1 detected · 0 above limit · PWSID ID7100004

    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.

834018340283403834048340583406

Source & Methodology

About this data

Source
EPA UCMR 5
Sampling period
January 2023 – December 2025
Aggregation
3 utilities across 6 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 Idaho Falls 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.