Noxious Weeds

Program Contact: Jason Ontjes, Noxious Weed Program Coordinator
(360) 376-3499 •

Our Mission

The mission of the San Juan County Noxious Weed Program is to focus on education, prevention, technical assistance and control of noxious weeds through voluntary compliance with RCW 17.10 and WAC 16-750. The Program offers:

  • Early Detection and Rapid Response;
  • Educational Materials & Programs;
  • Noxious Weed Identification and Inventories;
  • Site-specific Control Recommendations;
  • Weed Control Assistance to Individuals, Organizations & Agencies;
  • Weed Wrench Loans to San Juan County Residents.

Our Goals

The Goals of the Noxious Weed Board Are:

  • To provide accurate information about the kind, extent and significance of exotic weed species in San Juan County to County residents.
  • To coordinate efforts to detect and prevent the spread of noxious weeds.
  • To improve management practices for rights of way, utility corridors and land-based enterprises such as agriculture and forestry to achieve biodiversity goals.
  • To offer broad-based support to government, educational institutions, civic organizations, churches and other interested groups making noxious weed awareness a community-wide commitment.

Introduction to Noxious Weeds in San Juan County

What’s Happening


Brochures and other literature are available online or through the Weed Control Program at 376-3499.

Related Organizations

Try a Weed Wrench™

to eliminate Scotch Broom!


Weed wrenches may be checked out FOR FREE from the following sources:

Orcas – SJC Noxious Weed Board office in Eastsound (8 wrenches) (360) 376-3499

San Juan – SJC Public Works (1 wrench) (360) 370-0500; SJC Land Bank (4 wrenches) (360) 378-440

Lopez– Public Works Office (2 wrenches) (360) 370-0500

Purchase a Wrench at:

Uprooter (888) 801-0201
or (541) 226-9872
Grants Pass, OR 97528

Poison Hemlock

Poison Hemlock information

Noxious Weed Pamphlets

Information on identification, eradication or control (requires Adobe Acrobat Reader)