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Filing UW - 230645

Company: Washington Water Service Company
DBA:
Filing Type: Petition for Accounting Order
Case Status: Closed
Dates (Opened & Effective): 08/08/2023 & 05/15/2024
Summary: Petition for accounting deferral of cost associated with treatment, testing and mitigation of Polyfluoroalkyl (PFAS) substances. Under WAC 480-07-370(3)(b), Washington Water Service Company is requesting accounting deferral of all costs related to PFAS, including expense, capital, and carrying costs. The Company seeks to defer costs from January 1, 2023, going forward, to track and preserve costs for separate ratemaking treatment. The Company will test approximately 400 group A wells and 100 group B wells.
Date File Link Document Type Description File Size
09/14/2023 UW-230645 Order 01.pdf Order - Open Meeting Final Order 01 Granting Accounting Petition. 140,726 KB
09/14/2023 230645- POS.pdf Order - Open Meeting Final Order 01 Granting Accounting Petition. 80,025 KB