Water Quality > Permits - Point Source Pollution > General Permits > Aquatic Pesticide Permits

Aquatic Pesticide Permits

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What permit do you need for freshwater plant and algae control or nutrient inactivation? - Use this flow chart to determine what NPDES permit you need for freshwater use of herbicides, physical plant control methods, nutrient inactivation products, or biocontrols in Washington.

Now Available: Aquatic Pesticide NPDES Permit ListServ. This provides electronic notification of Ecology aquatic pesticide NPDES permitting activities such as meeting announcements, draft permits, and other documents available for public comment, permit issuance and programmatic updates.

Zostera japonica Management Permit Development Information

General Information

• Apply for the Aquatic Pesticide Permits Online
• NPDES Permits Development
• Pesticides Currently Allowed in Washington Waters
• Related Information
• Response to EPA Rule on Aquatic Pesticide Permitting
• Risk Assessments and Environmental Impact Statements
• Contact Us

Aquatic Pesticide GENERAL Permits:

• Aquatic Invasive Species Management General Permit - permit to manage aquatic invasive species animals and nonnative invasive marine algae
• Aquatic Plant and Algae Management - Permit to manage plants and algae in lakes and ponds
• Irrigation Systems - Permit to control weeds and algae in Washington State irrigation systems
• Mosquito Control - Permit for the control of mosquitoes and mosquito larvae by mosquito control districts and government entities
• Noxious Weed Control - Permit to control noxious and quarantine list weeds along freshwater shorelines, wetlands, or estuaries.

Aquatic Pesticide INDIVIDUAL Permits:

• Fish Management - This permit is issued directly to the Washington State Department of Fish and Wildlife
• Invasive Moth Control - This permit is issued directly to the Washington State Department of Agriculture
• Oyster Growers Permit - This permit is issued directly to the Willapa Bay/Grays Harbor Oyster Growers Association