Cascade Member Information

Welcome to the Cascade member resource page. This site is to aid members in doing their job more effectively by placing relevant Cascade information in one place.

• Cascade Water Alliance Code
• Joint Municipal Utility Services Agreement (JMUSA)
• Overview of Cascade as a Joint Municipal Utilities Services Authority
• Cascade Bylaws
• Cascade’s History Book
• Cascade’s Strategic Plan Final Report
• Summary of Cascade’s Past and Present Water Supply Management

• Joint Municipal Utilities Service Agreement (JMUSA)
• Water Right Permits
  • 2010 Department of Ecology’s Investigator’s Report
• White River Management Agreement with Puyallup and Muckleshoot Tribes
• Puyallup Tribe Settlement Agreement
• Muckleshoot Tribe Settlement Agreement
• Four Cities Agreement
• Lake Tapps Community Agreement
• Pierce County Water Supply and Recreation MOU
• Seattle Water Sale Agreement
  • Exhibit I Updated 2013
  • Exhibit II Updated 2014
• Tacoma Water Sale Agreement
• Membership Audit Acceptance Agreements
  • Bellevue Audit Agreement
  • Issaquah Audit Agreement
  • Kirkland Audit Agreement
  • Redmond Audit Agreement
  • Sammamish Plateau Audit Agreement
  • Skyway Audit Agreement
  • Tukwila Audit Agreement
• Lake Tapps Reservoir Purchase Agreement

• General Description of Cascade’s Finance Plan
• Budget Books
• 2021-2026 Adopted Capital Improvement Program
• Audited Financial Statements
• Bond Statements
• RCFC Methodology (Cascade Code, includes CERU methodology)
• Water Supply Development Fund FAQs
• Water Supply Development Fund Status July 2022
• RCFCs – 2023 & 2024 Adopted Charges

• 2023 Legislative and Public Policy Agenda
• 2023 Outreach Communications and Intergovernmental Plan

• Board Meeting Packets and Minutes

• Seattle Agreement
  • Exhibit I Updated 2013
  • Exhibit II Updated 2014
• Tacoma Agreement
• 2012 Transmission and Supply Plan (TSP)
  • General Locations of Cascade’s Future Planned Infrastructure
• 2019 Transmission and Supply Plan Extension
• 2020 Water Treatment Plan Feasibility Study Update
• 2016 Shortage Management Plan
• SPU Water Shortage Contingency Plan 2019 WSP

• 2021 Water Efficiency Annual Report
• Conservation Potential Assessment 2005
• Conservation Analysis 2011

On June 30, 2021, the Board of Directors held a workshop on the Future of Cascade and Lake Tapps Reservoir. The workshop evaluated alternative scenarios for Cascade’s long-term water supply and development of the Lake Tapps Reservoir. It also focused on the implementation of a Water Supply Development Fund (WSDF) to provide a financial structure to accumulate cash for a future major water supply project and reduce and smooth out rate impacts.

• June 30, 2021 Board Workshop presentation on the Future of Cascade and Lake Tapps Reservoir
• June 23, 2021 Board Meeting presentation on Cascade’s Past and Present

• Cascade’s legacy video
• 20th Anniversary luncheon video
• Ratemaking And Affordability
• Environmental Stewardship At Microsoft
• Water Supply Forum Phase 1 findings, Phase 2 findings, and next steps
• Seattle Public Utilities
• Everett Public Work
• Tacoma Public Utilities
• Cascade Water Alliance

• Checklist For Elected Officials and Leaders of Major Utilities
• Water Supply Forum Summary Report
• FEMA Resources

For Lake Tapps agreements, water rights, and other information, click here.

• 2023 Wholesale Water Customer Directory-Emergency Contact Guide-Revised 5-22-2023
• 2023 Exhibit A – Cascade-SPU General Communication Protocol-Revised 5-22-2023
• 2023 Wholesale Emergency Contact List-Revised 5-22-2023

• Emergency Disinfection of Water Systems
• Coliform Public Health Advisory Packet
• DOH Authority Over Drinking Water Systems and Operators
• Boil Water Door Hanger
• DOH After Hours Emergency Hotline Flyer
• Public Health Advisory for E. coli
• Troubleshooting Checklist for Coliform Contamination
• Coliform Bacteria and Drinking Water Fact Sheet
• Emergency Water Supply Guidelines for Food Service