Thurston County facilities are now open to the public with restrictions, including maintaining physical distancing of at least six feet at all times and, per the Washington State Secretary of Health’s face covering order wearing a cloth face covering or mask. If you come to county facilities, please be prepared for potentially long wait times or lines due to distancing guidelines. We continue to encourage residents to access county services online, by phone, by email, or through the use of drop boxes located outside of county buildings.
The availability of remote services vary by office and department.

Click here for office and department contact information
Click here for information on COVID-19

Current Drainage Manual

The 2016 Drainage Design and Erosion Control Manual is the official manual currently in use. It was was adopted by the Thurston County Board of Commissioners on October 18, 2016 and took effect on December 31, 2016. Projects submitted for permitting after December 31, 2016 are subject to the 2016 Drainage Manual.