Drainage Improvement Districts

Only those districts that responded to our request for public contact information are shown here.

Beaver Improvement

  • Contact Person:  Angela Velke
  • Phone Number:  360-751-8778

Clatskanie Drainage District

  • Contact Person:  Angela Velke
  • Phone Number:  360-751-8778

Clatsop Improvement Co

  • Contact Person:  Angela Velke
  • Phone Number:  360-751-8778

Columbia County Drainage District #1

  • Mailing Address: 18330 NW Sauvie Island Rd, Portland, OR 97231
  • Contact Person: Mark Nebeker
  • Phone Number: 503-621-3488 ext 225
  • Email: Mark.A.Nebeker@state.or.us

Deer Island Improvement

  • Contact Person:  David Williamson
  • Phone Number:  503-397-2141

John Drainage Improvement Company

  • Mailing Address: 20787 Johns District Road, Clatskanie, OR 97016
  • Contact Person: Marc Lever
  • Phone Number: 503-728-3677

Magruder Drainage Improvement Corp

  • Mailing Address: 15604 Luxford Road, Clatskanie, OR 97016
  • Contact Person: Art Johnson
  • Phone Number: 503-728-2548

Marshland Drainage Improvement Company

  • Mailing Address: 12589 Hwy 30, Clatskanie, OR 97016
  • Contact Person: Margaret Magruder
  • Phone Number: 503-728-2945
  • Email: magruder@clatskanie.com

Midland Improvement

  • Contact Person:  Kit Strandberg
  • Phone Number:  971-533-7033

Rainier Drainage Improvement Company

  • Mailing Address: PO Box 521, Rainier, OR 97048
  • Contact Person: Terry Deaton, Secretary
  • Phone Number: 503-369-2245

Sauvie Island Drainage Improvement Co

  • Mailing Address: 34856 E Columbia Ave, Scappoose, OR 97056
  • Contact Person: Tim Couch, Manager
  • Phone Number: 503-621-3397
  • Email: tim@sidrainage.org
  • Website: www.sidrainage.org

Scappoose Drainage Improvement Company

Westland Drainage Improvement Dristrict

  • Contact Person:  Angela Velke
  • Phone Number:  360-751-8778

Woodson Drainage Improvement District

  • Mailing Address: PO Box 1016, Clatskanie, OR 97016
  • Contact Person: Gerald Carver, Director
  • Phone Number: 360-751-1982
230 Strand St.
Columbia County Courthouse Annex
St. Helens ,
OR
97051
Fax: 503-397-5153

Monday - Friday
8:30 a.m. to 5:00 p.m
We are closed the second Thursday of each month from 8:30 a.m. to 12:00 p.m. for staff work sessions and training.
Assessor
Sue Martin