Service Unit 18

Service Unit 18 provides Girl Scout program to interested girls in the Clatskanie, Rainier, Scappoose and St. Helens School Districts in Columbia County. Cities and communities in our service unit include Clatskanie (city), Columbia City (city), Deer Island, Rainier (city), Saint Helens (city), Sauvie Island, Scappoose (city) and Warren.

Welcome to the webpage for GSOSW Service Unit 18.  Below you will find helpful information to run your troop or keep up with activities within your daughter's service unit. You can contact any member of the Service Team by clicking on their name to open an e-mail link. Links to newsletters and minutes from our volunteer meetings can be found below along with event calendar. Be sure to check out the Program Guide for additional activities within our council. The forms section also has links to commonly used forms if your are looking for a permission or photo release form.

Trefoil Service Team Contacts

Position Name/E-mail Phone 
Service Unit Manager Elizabeth M.

Adult Development Coordinator Vacant - contact service unit manager to express interest  
Communications Coordinator Jennifer G.
Event/Travel Coordinator Cassie B.

Fund Development Coordinator Leslie S.  
GSLE Coach Vacant - contact service unit manager to express interest
Membership Coordinator Erin H.
Product ManagerConnie W.
Registrar Vacant - contact service unit manager to express interest
Treasurer Jodie W.

Volunteer Coordinator Julia M.
Volunteer Support Specialist (Staff)Tiffany Howard
Membership and Community Development Specialist
Juliet Zimmer


Trefoil Minutes, Newsletters & Fliers

For girl safety all documents are password protected.  Please contact Jennifer with your affiliated troop number for access.

Minutes from Volunteer Meetings-




Trefoil Service Unit 18 Calendar

For girl safety locations of events are not disclosed.  For location information please contact your troop leader or the coordinator of the event listed in the posting.

Check out the Program Guide for council-wide events.

Trefoil Forms

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