Sewer Capital Investment Projects

Header Image
Project Banner 6-20-17.jpg

Bellevue sewer capital investment projects ensure that current and future generations have reliable wastewater services. They also help protect the natural environment that we value in the Pacific Northwest.

Bellefield Pump Station Project

Sewer Capital Projects Proposed for 2019-2025


Capital Investment Project





Sewer Pump Station Improvements

Rehabilitate or replace two sewer pump stations per year

Renewal and Replacement

2019 - 2025

$ 7,793,000

Sewer System Pipeline Major Repairs

Repair defects found in existing sewer pipes

Renewal and Replacement

2019 - 2025


Minor (Small) Capital Improvement Projects

Miscellaneous unanticipated projects or repairs to resolve problems or improve efficiency

Renewal and Replacement

2019 - 2025


Lake Washington Sewer Lake Line Assessment Program

Assessment of the condition of sewer pipe along the shore of Lake Washington, to better plan for its eventual replacement

Renewal and Replacement



Wilburton Sewer Capacity Upgrade

Permit-required monitoring following construction of project to upsize existing sewer pipes to provide capacity

Capacity for Growth

2019 - 2022


Midlakes Pump Station Replacement of aging pump station and to accommodate new growth Renewal and Replacement 2019-2024 $2,874,000

Sewer System Pipeline Replacement

Replace or insert a liner into older defective pipes, where that is more cost effective than repairs

Renewal and Replacement

2019 - 2025


I&I Investigations and Flow Monitoring

Investigate inflow and infiltration of surface water into sewer lines, which can cause sewer overflows.

Renewal and Replacement



Advanced Metering Infrastructure (AMI) Implementation

Replace water meters with new technology meters that can provide real-time information about water use, and can be read remotely. (Water meters provide the volume basis for sewer bills as well as water bills)

New Technology/Initiative

2017 - 2019


Lakeline Sewer Replacement Assessment along Evergreen Point Area to determine options and costs for replacing 4700 feet of sewer line Renewal and Replacement 2019-2021 $581,000

Related Links:

2019-25 Proposed Capital Investments Program

2019-25 Proposed Sewer Capital Investment Projects

Wastewater System Plan