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 Sunday, May 31, 2020. Courts and other elected offices may operate under different hours or restrictions.

(Solid waste facilities are open. For more information, visit:
(For more information on essential functions, visit:
(For office contacts, visit:

The Five Water Areas of Thurston County
Thurston County has five Water Resource Inventory Areas (also called WRIAs or watersheds). The water use limitations and water management rules for domestic-use wells differ among these areas. Find your water area on our map (PDF).

Rules for Chehalis Watershed (includes WRIA 22 & 23) and Nisqually Watershed (WRIA 11)
  • Domestic-use water limit is annual average of 3,000 gallons/day per connection.
Rules for Deschutes Watershed (WRIA 13) and Kennedy-Goldsborough Watershed (WRIA 14) 
  • Domestic-use water limit is annual average of 950 gallons/day per connection. May be curtailed to 350/day under drought declaration. 
  • Stormwater must be managed on site to the extent practicable. Maximize infiltration, use low impact development techniques.