Helpful Documents

Wish you had a handout on a topic that’s not listed below? Email Mary Malone, our Education & Outreach Specialist, at She would be more than happy to assist you by finding the info you are looking for!

Aquatic Plant Removal – Blue Book Permit

Available Biocontrol Agents

Calibrating Back Pack Sprayer

Calibrating Sprayer Videos

Calibrating boom sprayer

Calibrating boom buster sprayer

Flowering Rush Key Identification

Full Circle Weed Control

Herbicide Spray Recommendations

Waterfront Landscape



2020 Virtual Aquatic Workshop Sessions 1-3 and Session 4

The Pend Oreille County Weed Board is charged by Washington state law with the cooperative control and management of noxious weeds. Through education, outreach and management measures, the board protects the Pend Oreille county ecosystem for everyone’s use and economic benefit. Weed Board offices are open and personnel in office available for consultation Monday, Tuesday, Wednesday & Friday, 8 a.m.-4:30 p.m.