Procedural History
Initial Filing by Washington Water Service Company Sept. 25, 2025: Washington Water Service Company filed with the Washington Utilities and Transportation Commission (commission) tariff revisions that would generate approximately $4.9 million (19.9 percent) additional annual revenue.
Order 01 Protective Order Nov. 18, 2025: The Commission issued Order 01, governing the disclosure of information designated as confidential in this docket.
Order 02 Complaint and Order Suspending Tariff Revisions Jan. 29, 2026: The commission issued Order 02, which among other things, set the matter for adjudication.
Order 03 Prehearing Conference Order and Notice of Hearing March 11, 2026: The Commission issued Order 03 Prehearing Conference Order establishing a procedural schedule and issuing Notice of a virtual evidentiary hearing to take place on July 15, 2026, at 9 a.m. and continuing July 16 as needed. To attend the hearing by telephone, please call (253) 215-8782 and enter the conference ID: 852 5164 1710# and Passcode: 543371#. To attend via Zoom, please use the following link: Click here to join the meeting. Order 03 also established a time for a virtual public comment hearing, set for Thursday, July 9, 2026, at 6:30 p.m. Click here to join meeting, or call (253) 215-8782 and enter the Conference ID: 814 3640 6490# and use the Passcode: 718078#.
Notice of Technical Workshop March 17, 2026: The Commission issued a Notice of Virtual Technical Workshop setting a workshop for 10 a.m. to 12 p.m. on Monday, March 23, 2023. The technical workshop is intended to review the structure and functionality of the utility’s revenue requirement model and subsequently how that model interacts with the cost-of -service exhibit(s). All parties to the proceeding are welcome to attend but must have executed a Confidential Non-disclosure Agreement for their participants, as required by Order 01 Protective Order. To attend the workshop by telephone, please call (253) 215-8782 and enter the conference ID: 858 0463 6598# and Passcode: 137043#. To attend via Zoom, please use the following link: Click here to join the meeting.
Notice Suspending Procedural Schedule and Notice Requiring Filing of Settlement Documents April 30, 2026: The commission issued a notice, which suspended the procedural schedule and set a May 20, 2026, deadline for parties to file a settlement agreement and supporting documentation.
Notice of Virtual Public Comment Hearing June 1, 2026: The procedural schedule set out in Order 03 included setting a virtual public comment hearing for 6:30 p.m. On July 9, 2026, to provide members of the public with an opportunity to present oral comments to the Commission on the issues raised in this matter. On May 18, 2026, the commission issued a notice rescheduling the hearing for June 30, 2026, as requested by parties. On June 1, 2026, the commission issued a Notice of Virtual Public Comment Hearing set for June 30, 2026, at 6:30 p.m. To participate by phone please call (253) 215-8782 and enter Meeting ID: 814 3640 6490# and Passcode: 718078#. To participate Via Zoom, please use the following link: Join the virtual public comment hearing.
Notice Cancelling Hearing and Notice Requiring Filing of Comments July 1, 2026: The commission issued a notice, which cancelled the evidentiary hearing in this docket, set a July 16, 2026, 5 p.m. deadline for members of the public and customers to submit written public comments to Public Counsel or the Commission, and set a July 24, 2026, deadline for public comments to be submitted to the docket by Public Counsel.