Federal Register #2026-19976

EPA tentative approval of Illinois’s PFAS drinking water program revisions

The U.S. Environmental Protection Agency (EPA), Region 5, announced tentative approval of Illinois’s revisions to its Public Water System Supervision Program. - Government buyer: No procurement buyer; this is a regulatory notice issued by the EPA, Region 5. - State agency: Illinois Environmental Protection Agency (IEPA). - Subject: Illinois’s program revisions adopt the federal Per- and Polyfluoroalkyl Substances (PFAS) Rule under the Safe Drinking Water Act. EPA found the state requirements no less stringent than federal requirements, supporting IEPA’s primary enforcement responsibility for the PFAS Rule. - Scope limitation: The approval does not cover public water systems in Indian Country. - Products, services, vendors, and OEMs: None identified; no items, quantities, or part numbers are requested.

Description

The EPA notice announces approval of Illinois revisions to its Public Water System Supervision Program to adopt the federal Per- and Polyfluoroalkyl Substances (PFAS) Rule. EPA determined that Illinois’s program regulations and revisions are no less stringent than the corresponding federal regulations, giving the Illinois Environmental Protection Agency primary enforcement responsibility for the PFAS Rule. The approval does not extend to public water systems in Indian Country and is subject to timely, substantial requests for a public hearing. Interested parties may submit hearing requests by October 30, 2026.

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