Public Access is Closed to Most County Facilities Due to COVID-19.

In response to Governor Inslee's Stay Home, Stay Healthy order, Thurston County has moved to an essential services model, in effect
through Monday, April 6, 2020. Courts and other elected offices may operate under different hours or restrictions.

(For more information on essential functions, visit: https://bit.ly/3dwIBK8)
(For office contacts, visit: https://bit.ly/3bs7bdy)

Drainage Manual 

The Thurston County Drainage Design and Erosion Control Manual (DDECM) spells out regulatory standards for reducing and managing stormwater runoff on new development and redevelopment projects. It applies in unincorporated Thurston County, and in cities and urban growth areas that adopt it. 


Current Manual  |  Past Manuals  |  Subscribe to our email list for updates