Opportunity

Federal Register #EPAHQOW20220946

EPA Requests Public Comment on Draft Drinking Water Contaminant Candidate List 6 (CCL 6)

Buyer

Environmental Protection Agency

Posted

April 06, 2026

Respond By

June 05, 2026

Identifier

EPAHQOW20220946

The U.S. Environmental Protection Agency (EPA) is seeking public comment on its draft Sixth Contaminant Candidate List (CCL 6), which identifies potential drinking water contaminants for future regulatory consideration. - Government Buyer: - U.S. Environmental Protection Agency (EPA) - EPA Docket Center, Water Docket - Products/Services Requested: - No procurement of products or services; this is a request for public input on a draft list - Draft CCL 6 includes: - 75 individual chemicals - 4 chemical groups: disinfection byproducts, microplastics, per- and polyfluoroalkyl substances (PFAS), pharmaceuticals - 9 microbes - Unique/Notable Requirements: - Inclusion of microplastics and PFAS as chemical groups - Emphasis on public health risk assessment and regulatory prioritization - Seeking feedback on both the list and the process used to develop it - No OEMs or vendors are mentioned, as this is not a procurement for goods or services

Description

The U.S. Environmental Protection Agency (EPA) has published a draft list of contaminants not currently regulated under national primary drinking water regulations for public review and comment. This sixth Contaminant Candidate List (CCL 6) includes 75 chemicals, 4 chemical groups (disinfection byproducts, microplastics, PFAS, and pharmaceuticals), and 9 microbes. The list aims to prioritize research and data collection efforts under the Safe Drinking Water Act, with public comments due by June 5, 2026. The EPA will consider all feedback before finalizing the list and making future regulatory determinations.

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