Public Comment Form

Public Feedback Period for the current Aquatic Plant & Algae Management General Permit

Ecology invites your feedback on the current Aquatic Plant & Algae Management National Pollution Discharge Elimination System and State Waste Discharge General Permit. We issue the Aquatic Plant and Algae Management (APAM) General Permit to allow chemical treatments for the management of aquatic noxious weeds, native nuisance plants, and algae. These chemicals are limited to a specific list of aquatic-labeled herbicides, algaecides, biological water clarifiers, adjuvants, marker dyes, shading products, and phosphorus sequestration products. They can be used directly into fresh water (lakes, streams, and rivers) or along shorelines, roadsides, dikes/levees, and ditch banks.


Please note that this form is for the purpose of submitting informal feedback to the Washington State Department of Ecology. Commenter contact information is optional. However, contact information is necessary if you want to receive future notices related to this topic.


Next Steps


Ecology will consider all feedback on the current permit. Feedback should reference specific text or permit conditions whenever possible. Please provide references or other supporting documentation in support of your comments when appropriate and available.


Contact Information


Any contact information submitted above will not be posted to the internet via this online form but will become a public record. Contact information included in attachments will be posted to the internet as part of the attachment. Ecology is not responsible for redacting information.




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Comments are due by 9 p.m. on July 20, 2025.


To make a comment, please review the current Aquatic Plant & Algae Management General Permit (https://ecology.wa.gov/AquaticPlants) and enter comment(s) in the text area below. To submit attachments, use Upload File below. Then hit Continue >> on the bottom left to review your comment(s). For tips and instructions on submitting comments visit: How to submit comments to us.


Please reference specific text, permit condition(s), and page number(s) in your comments whenever possible. It’s also helpful if you describe the nature of your concern and propose any potential solutions or changes to permit language. References or other supporting documentation in support of your comments should also be provided when appropriate and available.



*Uploading a file is optional*

You may attach up to five 20 MB files to accompany your submission. Allowed formats are pdf, jpg, jpeg, png, txt, gif, doc, docx, xlsx, xls. If you experience technical difficulties submitting your comment please contact the person listed at the bottom of this page.


Thank you for subscribing to the Public Feedback Period for the current Aquatic Plant & Algae Management General Permit mailing list.