• Asset Management Tier 1 Projects, March 7, 2023 - (E&P)
• Asset Management Update – The Life of an Asset, January 5, 2023 - (E&P)
• Asset Management Overview, December 7, 2022
• Asset Management Project Update, April 27, 2022
• Asset Management Criteria and Scales, July 22, 2020
• Asset Management Information Session, July 22, 2020
• Asset Management - Overview and Portfolio Management, May 27, 2020
• Overview of WTD’s Priority Asset Management Needs, March 25, 2020
• WTD's Strategic Asset Management Plan, October 24, 2018

• Capacity Charge Review Study, October 27, 2021
• Updating the Plumbing Fixture Unit Table, October 7, 2021 - (R&F)
• Capacity Charge Affordability Program Update, June 23, 2021
• Capacity Charge Rate Structure Preferred Option, December 11, 2019
• Capacity Charge Affordability and Customer Assistance, January 23, 2019

• Summary, Forecasting the Wastewater Treatment Division (WTD) Capital Improvement Program (CIP), February 2, 2023 - (E&P)
• Economic Impacts on WTD Capital Program, September 28, 2022
• Capital Projects Update, February 3, 2022 - (E&P)
• Coal Creek Sewer Upgrade Project, January 6, 2022 - (E&P)
• North Mercer Island Interceptor and Enatai Interceptor Upgrade Project, December 2, 2021 - (E&P)
• Georgetown Wet Weather Treatment Station Update, October 7, 2021 - (E&P)
• Developing the WTD Capital Improvement Program (CIP), April 28, 2021
• COVID-19 Impacts on WTD Construction, February 24, 2021

• Conveyance System Improvement (CSI) Program Update Status, April 6, 2023 - (E&P)

For current planning efforts, refer to topic: Regional Wastewater Services Plan (RWSP) and Regional Vision for Clean Water

• Clean Water Plan Update, December 7, 2022
• Clean Water Plan Briefing, October 27, 2021
• Clean Water Plan Briefing, September 22, 2021
• Clean Water Plan Briefing, August 25, 2021
• Clean Water Plan, June 23, 2021
• Clean Water Plan Update, April 28, 2021
• Clean Water Plan Update, March 24, 2021
• Clean Water Plan Update, January 27, 2021
• Clean Water Plan Monthly Update, December 9, 2020
• Clean Water Plan Monthly Update, October 28, 2020
• Clean Water Plan Update, September 23, 2020
• Clean Water Plan Update, August 26, 2020
• MWPAAC SEPA Comment Letter, June 24, 2020
• MWPAAC Clean Water Plan Technical Taskforce Update, June 24, 2020 
• Clean Water Plan Update, June 24, 2020
• Request for Extension of Public Comment Period – Environmental Impact Statement Scoping for the King County Wastewater Treatment Division Clean Water Plan, June 4, 2020, May 27, 2020
• MWPAAC Clean Water Plan Technical Taskforce Update, May 27, 2020
• Clean Water Plan Update, May 27, 2020
• Clean Water Plan Update, April 29, 2020
• Clean Water Plan Update, March 25, 2020
• Clean Water Plan Update, February 26, 2020
• Clean Water Plan Update, January 22, 2020

• Progress Report on the Ovivo CSO Rapid Treatment Pilot, June 6, 2019 - (E&P)

• 2020 Decennial Flow Monitoring Interim Update, June 3, 2021 - (E&P)
• 2020 Decennial Flow Monitoring, November 7, 2019 - (E&P)

• Seattle Public Utilities (SPU) Inflow and Influent (I/I) Program, Part 2, May 4, 2023 - (E&P)
• Seattle Public Utilities (SPU) Inflow and Influent (I/I) Program, December 1, 2022 - (E&P)
• Infiltration/Inflow (I/I) Reduction Program, March 3, 2022 - (E&P)
• Regional I/I Program Inspector Training and Certification Program – Survey Discussion, October 27, 2021
• MWPAAC I/I Taskforce Recommendation on Regional Best Management Practices, April 28, 2021
• MWPAAC I/I Taskforce Recommendation on Regional Best Management Practices (Presentation), April 28, 2021
• I/I Control Program – MWPAAC I/I Taskforce Recommendation on Regional Best Management Practices, March 24, 2021
• Lakehaven I/I Reduction Program, October 23, 2019

• Industrial Waste Rules Update and Renewal, August 26, 2020
• Industrial Waste Fee Update, January 3, 2019 - (R&F)
• Draft Public Rule, January 3, 2019 - (R&F)
• Industrial Waste Fee Update Fact Sheet, January 3, 2019 - (R&F)
• Draft Compliance Monitoring and Administration Fees Fact Sheet, January 3, 2019 - (R&F)
• Draft Issuance Fees Fact Sheet, January 3, 2019 - (R&F)

• King County Equity and Social Justice Initiative and WTD, September 28, 2022
• Strategic Climate Action Plan Overview, September 22, 2021
• Clean Water Healthy Habitat, May 26, 2021

• King County WTD Local Public Agency Program, October 1, 2020 - (E&P)
• Local Public Agency Program Improvements, September 5, 2019 - (E&P)
• Local Public Agency Program: Process Improvements Update, June 6, 2019 - (E&P)
• WTD’s Local Public Agency (LPA) Program: Process Evaluation, March 7, 2019 - (E&P)

• Long-term Rate and Capital Planning Study, December 13, 2023
• Long-term Rate and Capital Planning Study, December 7, 2023 - (R&F)
• Long-term Rate and Capital Planning Study, September 27, 2023
• Long term Capital Needs Forecast, September 7, 2023 (R&F)
• Signature Report, August 23, 2023
• Long Term Financial and Sewer Rate Forecast, August 23, 2023

• King County Council Motion – Contaminants of Emerging Concern (CECs), September 27, 2023
• Per - and polyfluoroalkyl Substances (PFAS), August 24, 2022

• Capital Projects Portfolio Management Update, June 23, 2021
• Asset Management - Overview and Portfolio Management, May 27, 2020
• Portfolio Management Update, December 12, 2018

• Nutrients Management Update, April 26, 2023
• Update: Puget Sound Nutrient General Permit, August 24, 2022
• Nutrients Update, September 22, 2021
• Draft Puget Sound Nutrient General Permit Briefing, August 25, 2021
• Nutrients Update, June 24, 2020
• Nutrient Report, September 23, 2020

See also: WTD University (RWSP and other topics)

• RWSP Module #1 Topic 4: Pollution Prevention Draft Actions, December 10, 2025
• Pollution Control 101 and Current Conditions, October 22, 2025
• Regional Wastewater Services Plan (RWSP) Vision for Clean Water Update, October 22, 2025
• RWSP Module #1 Topic 3: WTD/Working Group Briefing on Separated System Conveyance, September 24, 2025
• RWSP Module #1 Topic 1: WTD/Working Group Briefing on Combined System Actions, August 27, 2025
• RWSP Module #1: Topic 1 - Combined System Management Background & Current Conditions, June 25, 2025
• A Vision for Clean Water - Vision Options, and RWSP Roadmap, May 28, 2025
• A Vision for Clean Water – Four Vision Options, April 23, 2025
• Challenges and Opportunities Informing the Vision for Clean Water: presentation, handout, March 26, 2025
• RWSP Charter and presentation, Regional Vision for Clean Water, January 22, 2025
• Regional Wastewater Services Plan (RWSP) Charter Update and Preview, December 11, 2024
• Regional Wastewater Services Plan Early Code Changes: Introduction, and Working Draft, October 23, 2024
• Regional Wastewater Services Plan Update, August 28, 2024
• Guiding Principles – DRAFT RWQC RESOLUTION, August 28, 2024
• Major Policy Questions for Regional Wastewater Services Plan Update, August 28, 2024
• DRAFT Scoping Document for Updating the Regional Wastewater Services Plan, August 28, 2024
• Status Update: WTD Long-Term Financial and Sewer Rate Forecast (Motion 16449), August 28, 2024
• Regional Wastewater Services Plan (RWSP) Guiding Principles, June 26, 2024
• RWSP Update, June 26, 2024
• Regional Wastewater Services Plan Update, May 22, 2024
• Regional Wastewater Services Plan Update, March 27, 2024

• Resiliency Recovery Project, May 23, 2018
• Task 500 - Preparedness and Recovery Recommendations, May 23, 2018
• Task 600 - Resiliency Recommendations, May 23, 2018

• WTD Biogas Systems 101: Biogas Use, Sales and Revenues, June 28,2023
• Class A Biosolids Ordinance, June 1, 2023 - (E&P)
• Sammamish Valley Irrigation Research Project and South Plant Sampling, October 26, 2022
• Reclaimed Water Update, June 3, 2021 - (E&P)
• Sewer Heat Recovery, September 3, 2020 - (E&P)
• King County WTD Energy Program - Conservation overview, May 2, 2019 - (R&F)

• Sewage Disposal Contracts Overview, June 22, 2022
• Example NE Sammamish Sewage Disposal Agreement (October 2, 1992), June 22, 2022
• Executive Board Proposal on Regional Contract Negotiations – Next Steps, February 26, 2020

• Proposed 2026 Sewer Rate and Capacity Charge and 2026-2045 Financial Forecast (Technical Memorandum), April 2025
• 2026 Preliminary Sewer Rate, February 26, 2025
• Sewer Rate 101, January 22, 2025
• Status Update: WTD Long-Term Financial and Sewer Rate Forecast (Motion 16449), August 28, 2024
• 2025 Sewer Rate Letter to the King County Council, April 24, 2024
• Capacity Charge Methodology Study Review, April 24, 2024
• 2025 Sewer Rate Letter to the King County Executive, March 27, 2024
• Preliminary 2025 Rate-setting Policy Direction and Operational and Capital Investments, February 28, 2024
• 2025 WTD Rate Strategy Discussions, January 24, 2024
• Rate-Setting 101, November 2, 2023 - (R&F)
• Wastewater Treatment Division (WTD) Survey of Local Agency Rates, October 5, 2023 - (R&F)
• Cash-Funding Capital, October 5, 2023 - (R&F)
• Depreciation and Cash Funding Approach, May 4, 2023 - (R&F)
• Original Cost Depreciation Funding Strategy Example, May 4, 2023 - (R&F)
• Capital Cash Funding Targets, May 4, 2023 - (R&F)
• Discussion of Sewer Rate Letter to Council, April 26, 2023
• 2024 Sewer Rate Capital Projection, April 6, 2023 - (R&F)
• 2024 Sewer Rate Process – Sensitivity Analysis, February 22, 2023
• Review of Adopted 2023-2032 Sewer Rate and Preliminary 2024 Rate-setting Policy Direction, January 25, 2023
• Discussion of Sewer Rate Letter to Council, April 27, 2022
• WTD 2023 Sewer Rate Proposal and 10-Year Sewer Rate Plan (2023-2032), March 23, 2022
• Preliminary 2023 Rate-setting Policy Direction and Operational and Capital Investments, February 23, 2022
• Adopted 2022-2031 Sewer Rate Plan and Preliminary 2023 Rate-setting Policy Direction, January 26, 2022
• 2023 Sewer Rate Development Goals and Schedule, January 26, 2022
• Executive’s 2022 Sewer Rate Proposal, April 28, 2021
• MWPAAC Letter to Council, April 28, 2021
• 2022 Sewer Rate Recommendation to the Executive (Revised), March 24, 2021
• Overview of 2022 Sewer Rate Schedule and Process, February 24, 2021
• Rates & Finance report, June 24, 2020
• MWPAAC Rates Recommendation Letter to Council, April 29, 2020
• Executive’s Proposed 2021 Sewer Rate, April 29, 2020
• 2021 WTD Sewer Rate, March 25, 2020
• 2021 Rate Recommendation to Executive, March 25, 2020
• Overview of Sewer Rate Schedule and Process, February 26, 2020

• Source Control Programs in Seattle, Seattle Public Utilities (SPU), August 3, 2023 (E&P)

• WaterWorks Program Update, October 26, 2022
• WaterWorks Grant Program, October 23, 2019

• NPDES Permit Renewal – West Point Treatment Plant: Update and Summary of Public Comments, August 23, 2023
• Discussion of MWPAAC’s Letter on the NPDES West Point Permit, June 28, 2023
• NPDES West Point Permit Discussion, June 1, 2023 - (E&P)
• NPDES West Point Permit – Overview, April 26, 2023
• West Point Power Quality Improvement Project, August 25, 2021
• Report on West Point AECOM Recommendations, October 28, 2020
• Power Quality Report Findings and Recommendations, September 23, 2020
• Update on Implementation of AECOM Recommendations at West Point, September 25, 2019

• MWPAAC Overview (and history of Metro), February 23, 2022
• Wet weather readiness, October 27, 2021
• Council Report on January 2021 Wastewater Bypass, August 25, 2021
• COVID-19 Impacts on WTD Education, February 24, 2021
• DNRP Work from Home Update, December 9, 2020
• COVID-19 and WTD Operations, October 28, 2020
• WTD Customer Portal - Component Agency Electronic Reporting, May 2, 2019 - (R&F)

• MWPAAC Overview, February 23, 2022
• 2021 Draft Work Plan, January 27, 2021
• Overview of the Proposed Operating Board, March 27, 2019
• Exhibit 2 - Composition, Voting and Procedures of Operating Board, March 27, 2019
• Mock Operating Board Caucuses Exercise, March 27, 2019
• Overview of the Proposed Operating Board, February 27, 2019
• Operating Board Presentation, April 25, 2018
• Operating Board FAQ's, April 25, 2018