OLYMPIA – An estimated 26,000 gallons of sewage spilled from the Tumwater sewage system near Sommerset Hill Drive and Percival Creek due to an obstruction in the main. The City of Tumwater states the spill was contained and the site was fully cleaned up on February 17, 2022. Thurston County Health Department advises residents to avoid contact with Percival Creek from Sommerset Hill Drive to Capitol Lake.
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