Thurston County Impact Fees. Public Access is Closed to MOST County Facilities Due to COVID-19. SEPA Register contains SEPA and NEPA documents posted by the Department of Ecology since 2000. Analysis of the weather in Thurston County & the general Western Washington area. Public Access is Closed to MOST County Facilities Due to COVID-19. Thurston GeoData Center is closed to walk-in services in an effort to slow the spread of COVID-19. Please see our Contact Page for more information. 201905273 - Thurston County Washington State Department of Ecology Intranet At that time, it covered all of the Puget Sound region and the Olympic Peninsula. The county seat and largest city is Olympia, the state capital.. Thurston County was created out of Lewis County by the government of Oregon Territory on January 12, 1852. 201706362 - Thurston County Washington State Department of Ecology Intranet In response to Governor Inslee's Stay Home, Stay Healthy Order and Safe Start Plan, Thurston County continues to operate under an essential services model.This is in effect until Thurston County enters Phase 3 of the Safe Start Plan. 14819 adopting the Thurston County Impact Fee Ordinance into the Thurston County Code as Title 25. 9,186 talking about this. Public Access is Closed to Most County … On December 11, 2012, the Board of County Commissioners passed Ordinance No. Thurston County is a county located in the U.S. state of Washington.As of the 2010 census, its population was 252,264. Impact fees will begin on April 2, 2013. In response to Governor Inslee's Stay Home, Stay Healthy Order and Safe Start Plan, Thurston County continues to operate under an essential services model.This is in effect until Thurston County enters Phase 3 of the Safe Start Plan. Public Access is Closed to MOST County Facilities Due to COVID-19. This is in effect until Thurston County enters Phase 3 of the Safe Start Plan. In response to Governor Inslee's Stay Home, Stay Healthy Order and Safe Start Plan, Thurston County continues to operate under an essential services model. SEPA Register contains SEPA and NEPA documents posted by the Department of Ecology since 2000.