Water Quality photo identifier

Water Quality Program

Aquatic Noxious Weed Control NPDES General Permit

The general permit covers the indirect discharge of herbicides, adjuvants, and marker dyes into estuaries, marine areas, wetlands, along lake shorelines, rivers, streams, and other wet areas to manage Spartina and freshwater noxious weeds in Washington. An indirect discharge occurs when there may be incidental overspray or dripping of a chemical from the treated plants into waters of the state.

Draft permit for public review

Submitting written comments

We will accept written comments on the draft permit and fact sheet until 5 pm, November 4, 2016. We prefer comments be submitted through the comment form on the permit web page. Comments should reference specific permit text when possible.

Or submit written comments to:

Nathan Lubliner
Washington State Department of Ecology
PO Box 47696
Olympia, WA 98504-7696

You must provide comments before 5:00 pm, November 4, 2016. Written comments must be postmarked no later than 5:00 pm, November 4, 2016.

Workshop and Public Hearing

The purpose of the workshop is to explain the general permit to answer questions prior to the formal public hearing. The purpose of the hearing is to provide an opportunity for people to give formal oral testimony and comments on the proposed draft permit. Written comments will receive the same consideration as oral testimony. The public workshop will begin at 1:00 pm on October 27, 2016. The public hearing will begin immediately following the public workshop and will conclude when public testimony is complete.

October 27, 2016 – 1:00 pm
Washington State Department of Ecology
300 Desmond Drive
Lacey, WA 98503-1274

Attend via webinar
The workshop and hearing may also be attended as a webinar where individuals may view the presentation and provide testimony via computer or mobile device. Once the host approves your request, you will receive a confirmation email with instructions for joining the meeting.

Current permit documents

yellow flag iris

Aquatic Pesticide NPDES Permit ListServ

Product to Active Ingredient Conversion Table - End of year reporting must be in pounds of active ingredient.

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