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
Key Takeaways -
What Is Happening? The Washington State Department of Ecology (Ecology) published its final 2025 Industrial Stormwater General Permit (ISGP), which authorizes the discharge of stormwater and certain...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
Key Takeaways -
• What happened? On July 1, 2021, the Center for Biological Diversity (the “Center”) petitioned the Ninth Circuit to review EPA’s issuance of the 2021 National Pollutant Discharge Elimination System...more
Oregon Department of Environmental Quality’s (DEQ’s) policy and rulemaking board adopted rules renewing Oregon’s National Pollutant Discharge Elimination System (NPDES) Stormwater Discharge General Permit No. 1200-Z (1200-Z...more