NPDES Electronic Reporting Tool (NeT)

Rule Changes

EPA’s tool suite for Phase 2 submissions (general permits and program reports).

For years, Clean Water Act reporting has lived in a split-screen world: core discharge numbers went digital, but a lot of the paperwork that explains what’s happening stayed stuck in PDFs, emails, and filing cabinets. Phase 2 of EPA’s NPDES Electronic Reporting Rule is the attempt to close that gap—and its compliance date hit on December 21, 2025.

Updated Dec 21, 2025