Summary: Petition for de-regulation of Estates Water Systems, Inc. (Estates). In February of 2019 the company sold its assets to Cascadia Water, LLC in a joint sale and transfer application (UW-190117). Estates (Department of Health ID # 081669) is now seeking to be removed from regulation and cancel their former tariff WN U-3. Cascadia Water, LLC, filed tariff updates to the company's service area and rate page reflecting the addition of Estates water system serving 365 customers near Sequim in Clallam County.