EPA Seeks Comment on Decision Not to Regulate Nine Drinking Water Contaminants

What: On January 15, 2025, the U.S. Environmental Protection Agency (EPA) published a proposed decision not to regulate nine drinking water contaminants.

Why: The Safe Drinking Water Act (SDWA) requires EPA to determine whether unregulated drinking water contaminants should be regulated every five years.

EPA has proposed not to regulate the following contaminants:

  • 2-aminotoluene
  • cylindrospermopsin
  • ethoprop
  • microcystins
  • molybdenum
  • permethrin
  • profenofos
  • tebuconazole
  • tribufos

Action: Comments on specific contaminants as well as the process used for regulatory determinations are due March 17, 2025.

Read the Federal Register notice and submit comments.

Advocacy contact: Send an email to Nick Goldstein at nick.goldstein@sba.gov.