Key Takeaways -
What Happened? The U.S. Environmental Protection Agency (EPA) proposed the 2026 version of the National Pollutant Discharge Elimination System (NPDES) MSGP for stormwater discharges associated with...more
Update: On February 3, 2025, EPA extended the comment period on the 2026 Multi-Sector General Permit (MSGP) to April 4, 2025....more
Update: On January 31, under the new Trump administration, the U.S. Environmental Protection Agency (EPA) reopened the comment period for the 2024 Preliminary Designation and draft General Permit for CII properties. Written...more
2026 MSGP -
EPA released its proposed 2026 MSGP, which authorizes stormwater discharges associated with industrial activities in jurisdictions where EPA is the NPDES permitting authority, including Massachusetts, New...more
On November 20, 2024, the U.S. Environmental Protection Agency (EPA) Region 9 published in the Federal Register its Final Designation of stormwater discharges from commercial, industrial, and institutional (CII) properties...more
Key Takeaways -
What Is Happening? On October 31, 2024, the U.S. Environmental Protection Agency (EPA) Region 1 provided notice of two proposed actions pursuant to its “residual designation authority” (RDA) under the Clean...more
If three states have their way, EPA’s general permit for industrial stormwater discharges will impose obligations relating to per- and polyfluoroalkyl substances (PFAS). Colorado, Massachusetts, and New Mexico submitted...more
Last week, the U.S. District Court for the Central District of California gave environmental groups a significant win in their bid to force EPA to regulate new sources of stormwater discharges under the Clean Water Act...more
The past several months have witnessed multiple attempts by environmental groups bring currently unregulated entities that discharge stormwater into the Clean Water Act (CWA) National Pollution Discharge Elimination System...more