Water System Plan
Tacoma Water’s Comprehensive Water System Plan serves as a tool to assist Tacoma Water in making the best use of available resources in order to provide quality water services and protect the health of its customers.
Tacoma Water is required by the Washington State Department of Health to update its water system plan every ten years. These efforts include stakeholder and public outreach activities.
Water System Plan Amendment
Tacoma Water will amend our 2018 Water System Plan to incorporate the Tacoma Water 2025–2026 Adopted Budget. The current updates reflect our proposed work in the coming decade. With the amendment, we are more competitive when we apply for grants and low interest loans that may reduce the cost of service to our customers.
The proposed 2025 Water System Plan Amendment updates the 2018 Water System Plan in “Chapter 11: Capital Improvement Plan” and “Chapter 12: Financial Plan.” The amendment also includes updates to regulatorily required service area figures, water right self-assessment form, and an Engineering Analysis showing a larger amendment is not required. The Amendment is valid until January 6, 2030.
Click Here To View the 2025 Water System Plan Amendment DraftGet Involved
We welcome input from our community on the 2025 Water System Plan Amendment.
The draft will be presented at the Public Utility Board Meeting and the public is invited to attend and comment in-person or virtually via Zoom Meetings:
May 28, 2025, 6:30 p.m.
Tacoma Public Utilities Auditorium
3628 S. 35th St., Tacoma
Comments will accepted through July 11, 2025.
- 2018 Water System Plan
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The 2018 Water System Plan was approved by the Washington State Department of Health on January 6, 2020.
Click Here to view the 2018 Water System PlanAppendix A
Public Meeting Informational Materials
Public Utility Board Agenda March 27, 2019
Public Utility Board Resolution No. U-11069
City Council Agenda April 16, 2019
City Council Resolution No. 40301
Appendix B
King County Review Requirement Guidelines
Pierce County Review Requirement Guidelines
Washington Department of Health Checklist
SEPA DNS Environmental Checklist
Appendix C
Tacoma Water Capital Improvement Program Needs Assessment
Appendix D
Appendix E
Tacoma Water Watershed Management Plan
Appendix F
Appendix G
Appendix H
Appendix I
Appendix J
Appendix K
Appendix L
Water System Plan Demands Metadata
Appendix M
Appendix N
- Past Water System Plans
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In 2008 the Department of Health approved the 2006 Tacoma Water Comprehensive Water System Plan Update. This update consists of Volume I (dated July 2007) and Volume II (dated August 2006 and titled Green River Watershed Management Plan).
- Related Plans
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Related to the Water System Plan, Tacoma Water creates plans for water supply (Integrated Resource Plan), water conservation, and water shortage.
Contact Information
Dan Reisinger
Tacoma Water
3628 S 35th St
Tacoma, WA 98409
dreisinger@tacoma.gov