Commercial Stormwater

The Stormwater Associated with Commercial Activity General Permit, found only in Connecticut, requires operators of large paved commercial sites such as malls, movie theaters, and supermarkets to undertake actions such as parking lot sweeping and catch basin cleaning to keep stormwater clean before it reaches water bodies.

• General Permit for the Discharge of Stormwater Associated with Commercial Activity (effective October 1, 2023)
• Public Notice of Reissuance
• Registration Form for the General Permit for the Discharge of Stormwater Associated with Commercial Activity (Word)  (PDF)
• Fact Sheet

Stormwater Management

Content last updated October 9, 2023