Washington State University Extension

San Juan County

Noxious Weeds

Our Mission

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 strives to detect and remove early infestations, provides weed identification workshops and publications, and offers technical assistance on weed identification and methods of control.

Our Goals

The Noxious Weed Board Will Provide:

  • Accurate information about the kind, extent and significance of exotic weed species in San Juan County to County residents.
  • Coordinated efforts to detect and prevent the spread of noxious weeds.
  • Improved management practices for rights of way, utility corridors and land-based enterprises such as agriculture and forestry to achieve biodiversity goals.
  • 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

Our Progress


Brochures, order forms and other literature are available 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) 376-3499

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

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

Purchase a wrench at:

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

Poison Hemlock

Noxious Weed Pamphlets

Information on identification, eradication or control.



San Juan County, 221 Weber Way Suite LL, Friday Harbor, WA 98250, (360) 378-4414
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