Aquatic Plant and Algae Management General Permit
The Aquatic Plant and Algae Management General Permit (permit) is a combined National Pollutant Discharge Elimination System (NPDES) and State Waste Discharge General Permit. It covers the in-water and shoreline (including roadsides and ditch banks) treatment of native and noxious plants and algae. It also covers nutrient inactivation treatments. The permit allows the discharge of a specific list of aquatic labeled herbicides, algaecides, biological water clarifiers, adjuvants, marker dyes, and nutrient inactivation products into the freshwaters of Washington.
Discharge Management Plan Template and SEPA Addendum - Use if 5 or more acres of area will be included in your permit application.
Product to Active Ingredient Conversion Table (Excel) - End of year reporting must be in pounds of active ingredient. Use this table to convert the amount of product used into pounds of active ingredient. If a product is not listed, please let us know so we can add it.
Transfer Form - Use to transfer coverage to another party.
Notice of Termination Form - Use to cancel your permit coverage.
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