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The Engineering & Planning Subcommittee makes recommendations to WTD on scope of comprehensive system planning efforts such as the Regional Wastewater Services Plan, WTD policies, and future amendments thereto. The subcommittee also reviews implementation plans such as operational master plan updates, asset management plans and conveyance system improvement updates.
Select year below to view meeting materials.
Subcommittee meetings:
First Thursdays
8:30 a.m. – noon
See 2024 Meeting Calendar for location and dates.
Meeting materials
Below is a listing of meeting agendas, presentations, meeting summaries, and speakers' information from the MWPAAC meetings. All meeting materials are available in Adobe Portable Document Format (PDF).
List of commonly used acronyms in the King County Wastewater Treatment Division
2024 meetings
| Meeting | Documents |
|---|---|
| January 2024 | No meeting |
| February 1, 2024 | Agenda, Summary, Long-term Capital Needs Methodology Recommendation, Preliminary 2025 Rate-setting Policy Direction and Operational and Capital Investments |
| March 7, 2024 | Agenda, Summary, Nutrients update, Biosolids update |
| April 4, 2024 | Agenda, Summary, IW 101 presentation for MWPAAC |
| May 2, 2024 | Agenda, Summary, Infiltration & Inflow (I/I) Program Update |
| June 6, 2024 | Agenda, Summary, PFAS and Contaminants of Emerging Concern |
| July 2024 | No meeting |
| August 1, 2024 | Agenda, Summary, City of Renton/King County Wastewater Treatment Division (WTD) Reclaimed Water Feasibility Study, Combined Sewer Overflow Consent Decree Modification |
| September 5, 2024 | Agenda, Summary |
| October 3, 2024 | Agenda, Summary, Conveyance System Improvement Planning Assumption Updates |
| November 7, 2024 | Agenda, Summary |
| December 5, 2024 | Agenda, Summary |
2023 meetings
| Meeting | Documents |
|---|---|
| January 5, 2023 | Agenda, Summary, Asset Management Update – The Life of an Asset |
| February 2, 2023 | Agenda, Summary, Forecasting the Wastewater Treatment Division (WTD) Capital Improvement Program (CIP) |
| March 7, 2023 | Agenda, Summary, Asset Management Tier 1 Projects |
| April 6, 2023 | Agenda, Summary, 2024 Sewer Rate Capital Projection, Conveyance System Improvement (CSI) Program Update Status |
| May 4, 2023 | Agenda, Summary, Seattle Public Utilities (SPU) Inflow and Influent (I/I) Program, Part 2 |
| June 1, 2023 | Agenda, Summary, Class A Biosolids Ordinance, NPDES West Point Permit Discussion |
| July 2023 | No meeting |
| August 3, 2023 | Agenda, Summary, SPU’s Wastewater Source Control Programs |
| September 7, 2023 | Agenda, Summary, Long-term Capital Needs Forecast |
| October 5, 2023 | Meeting canceled |
| November 2, 2023 | Agenda, Summary, Rate-Setting 101 |
| December 7, 2023 | Agenda, Summary, Long-term Rate and Capital Planning Study |
2022 meetings
| Meeting | Documents |
|---|---|
| January 6, 2022 | Agenda, Summary, Capital Projects – Coal Creek, Nutrients Update |
| February 3, 2022 | Agenda, Summary, Capital Projects Update |
| March 3, 2022 | Agenda, Summary, Infiltration and Inflow (I/I) Reduction Discussion |
| April 7, 2022 | Agenda, No Summary |
| May 5, 2022 | Agenda, Summary, Co-Digestion Project Update |
| June 2, 2022 | Agenda, Summary, Work Plan Discussion (June 2022 - May 2023) V2, Work Plan Poll Spring 2022, 2022 Work Plan, Resource Recovery Section Updates |
| July 2022 | No meeting |
| August 4, 2022 | No meeting |
| September 1, 2022 | Agenda, Summary, Energy Efficiency |
| October 6, 2022 | Agenda, Summary, 2020 Decennial Flow Monitoring (DFM) & Data Finalization, Sammamish Plateau WSD North Sewer Service Area I&I Investigation |
| November 3, 2022 | Agenda, Summary |
| December 1, 2022 | Agenda, Summary, Seattle Public Utilities (SPU) Inflow and Influent (I/I) Program |
2021 meetings
2020 meetings
| Meeting | Documents |
|---|---|
|
February 6, 2020 |
|
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March 5, 2020 |
No meeting held |
|
April 2, 2020 |
Agenda, Summary, WTD’s Priority Asset Management Needs, Effects of Toxics on the Sound: Sampling Proposal for Upcoming Proviso Report |
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May 7, 2020 |
Agenda, Summary, Kenmore Interceptor Proviso Response, Treatment Plant Flows and Loadings Study and Report |
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June 4, 2020 |
Agenda, Summary, Asset Management History, SEPA Scoping Comment, I/I Program Control Status Update |
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August 6, 2020 |
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September 3, 2020 |
Agenda, Summary, Sewer Heat Recovery, Brightwater Treatment Plant Asset Management |
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October 1, 2020 |
Agenda, Summary, Asset Management - South Plant, LPA Program Update |
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November 5, 2020 |
Agenda, Summary, I/I Control Program – Status of Regional BMPs |
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December 3, 2020 |
Agenda, Summary, Asset Management – West Point, I/I Control Program Review and Status Update, Nutrients Management Update |
2019 meetings