Water quality general permits

General water quality permits regulate specific discharge categories that release treated stormwater or wastewater to either surface or groundwater. If you need to apply for, terminate, or modify coverage for a specific general permit, you may find resources and contact information on the pages linked below.

Categories of general permits include:

If you do not see your industry covered by one of the general permit categories, you may need coverage under an individual discharge permit.

Decision to move forward with Nutrients General Permit

On Jan. 30, 2020, we announced our decision to move forward with developing the draft Nutrients General Permit in Puget Sound. The proposed Nutrients General Permit would apply to nearly 70 wastewater treatment plants discharging to marine and estuarine waters of Puget Sound. Visit the Nutrients General Permit webpage for more information.