PFAS Resources


EEI understands these are uncertain times when it comes to drinking water rules concerning PFAS. Having the latest information is vital to Water Utility Managers and other Decision-Makers. We are pleased to offer this page as your resource for the latest information.

Click the topics below for additional information.

Revisions to State and Federal regulations concerning PFAS are ever evolving.  EEI continues to update this list of resources as new developments unfold.

   Recent Developments

EEI Releases Infographic and Whitepaper – Finalized Drinking Water Rule (May 2024)
This infographic and white paper highlight the USEPA’s finalized set of national primary drinking water regulations (NPDWR) for six per-and polyfluoroalkyl substances (PFAS) as an addition to the Safe Drinking Water Act (SDWA). JPEG Infographic / PDF Infographic. To read the whitepaper related to this infographic: Finalized Drinking Water Rule Whitepaper.

USEPA Announces Finalized National Primary Drinking Water Regulation (April 2024) 
On April 10, 2024, the US Environmental Protection Agency (EPA) announced the finalized national primary drinking water regulation for the same six PFAS species originally proposed to be regulated under the draft rule which was released in March 2023. For more detailed information, see the links below to resources published by the EPA.

EPA PFAS Resource and Overview Page

EPA Factsheet

EEI Releases Infographic – Public Communication Strategies (February 2024) 
This infographic can be utilized as a guideline for water utilities/purveyors when communicating about PFAS to their communities. JPEG Infographic / PDF Infographic

EEI Releases Infographic and Whitepaper – NPDES Permit Special Conditions (December 2023) 
This infographic and whitepaper highlight the key PFAS sampling, testing, and reporting requirements under the Illinois EPA’s new NPDES permit special conditions issued to wastewater treatment facilities. JPEG Infographic / PDF Infographic. To read the whitepaper related to this infographic: NPDES Permit Special Conditions Whitepaper

EEI Releases Infographic – Lifecycle of PFAS (November 2023)
This infographic presents a course of the lifecycle of PFAS chemicals in the environment, with a central focus on the “forever chemicals” path through the water and wastewater treatment process. To view a simplified version of this infographic: JPEG Infographic / PDF Infographic. For a detailed version of this infographic: JPEG Infographic / PDF Infographic.

USGS Releases Report (October 2023) 

Recently, the United States Geological Survey (USGS) released a report titled “Statewide Sampling to Determine Spatial Distribution, Prevalence, and Occurrence of Per- and Polyfluoroalkyl Substances (PFAS) in Illinois Community Water Supplies.” EEI published a summary of key findings in the USGS report.

EEI Releases Infographic – Monitoring Requirements (August 2023) 
This infographic includes flowcharts to describe the monitoring requirements as proposed in the draft rule. JPEG Infographic / PDF Infographic

EEI Releases Infographic – Regulatory Timeline (June 2023) 
The infographic highlights the past, present, and upcoming steps in the development of the proposed National Primary Drinking Water Regulations. JPEG Infographic / PDF Infographic

USEPA Announces a Proposed Regulatory Notification (March 2023) 
On March 14, 2023, EPA announced the proposed National Primary  Drinking Water Regulation (NPDWR) for six PFAS including PFOA, PFOS, PFNA, HFPO-DA, PFHxS, and PFBS. EEI published a Regulatory Notification to summarize the proposed regulation. Learn More on the USEPA’s Website

Return to this page to learn about the latest developments.