EPA Delays TSCA PFAS Reporting Rule Start Date, Announces Revised Timeline
On April 9, 2026, the U.S. EPA formally delayed the start of reporting under its PFAS reporting rule issued pursuant to the Toxic Substances Control Act (TSCA), ending weeks of uncertainty for manufacturers and importers facing an April 13, 2026 compliance deadline.
TSCA PFAS Reporting Rule Overview
The rule, finalized in October 2023, imposed a one‑time reporting requirement on entities that manufactured or imported per‑ and polyfluoroalkyl substances (PFAS) or PFAS‑containing products between 2011 and 2022. Reporting obligations include submitting available information on:
PFAS uses and production volumes
Environmental releases
Worker and consumer exposure
Health and environmental effects
EPA stated the rule is intended to close data gaps and inform future PFAS risk evaluations, restrictions, and enforcement actions.
Original Reporting Window and Implementation Delays
Due to delays in developing EPA’s web‑based reporting portal, the agency issued two extensions and ultimately set the reporting window to open on April 13, 2026, and close on October 13, 2026.
In early 2026, EPA proposed a partial rollback of the rule, which would:
Exempt certain categories of PFAS from reporting, and
Modify the reporting period duration
However, EPA had not formally withdrawn the April 13 start date until April 9, leaving regulated entities uncertain just days before reporting was scheduled to begin.
April 9, 2026 EPA Announcement: Reporting Will Not Begin April 13
EPA confirmed that PFAS reporting will not commence on April 13, 2026. Instead, reporting will begin 60 days after a revised final rule becomes effective.
EPA has not yet confirmed whether the final rule will:
Retain the original six‑month reporting window, or
Shorten the reporting period to three months, as previously proposed
Those details will be addressed in the forthcoming rulemaking.
What Regulated Entities Should Expect Next
EPA plans to issue:
A revised final TSCA PFAS reporting rule,
Updated compliance guidance, and
Revised reporting tools and portal functionality
Until the revised rule takes effect, no PFAS reporting under TSCA is required.
WEL Regulatory Takeaway
The delay provides short‑term relief but does not alter EPA’s broader PFAS regulatory trajectory. TSCA reporting data is expected to support future risk evaluations, chemical restrictions, and enforcement actions.
Entities with historical PFAS manufacturing or import activity should use this interim period to:
Inventory PFAS uses and supply chains
Assemble historical data
Identify reporting gaps
Coordinate with legal and technical advisors
WEL will continue monitoring EPA’s TSCA PFAS rulemaking and provide updates when the final rule and implementation timeline are issued.