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Centralville Sewer Separation - Update 2/3/26
The Centralville Sewer Separation Project is set to begin in March of 2026. Ahead of the construction, Lowell Wastewater and contractors are conducting investigative work in the project area. Please be aware that you may see an increase in construction work and vehicles in the upcoming weeks. See below for more information about the Centralville Sewer Separation Project.
Douglas & Windward Flood Relief Tank
Click here to view the Neighborhood Subcommittee Presentation
Douglas Storage Tank Project Overview
Check Valve Reimbursement Program
Phase 3 Sewer Separation
Lowell is in the process of removing inflow to the collection system, prioritizing successive phases of sewer separation in these basins based on CSO control benefits, cost, construction challenges, and resolution of incidents of sewer surcharge events and street flooding.
Click here to view the Phase 3 Sewer Separation Preliminary Design Report
Click here to view Report Appendices
Centralville Sewer Separation
Lowell is in the process of adding additional drain systems and removing large inflow sources from Humphrey’s Brook, the Billings Street Wetlands and Hovey Field Wetlands to remove public inflow from the combined sewer area.
Click here to view the presentation on the Centralville Sewer Separation ProjectClick here to view the Centralville Sewer Separation Preliminary Design Report
Click here to view Report Appendices
Consent Decree Semi Annual Report
Semi Annual Consent Decree Report #1 (Oct 2023 to March 2024)
Semi Annual Consent Decree Report #2 (April 2024 to Sept 2024)
Semi Annual Consent Decree Report #3 (Oct 2024 to March 2025)
Semi Annual Consent Decree Report #4 (April 2025 to Sept 2025)
Facility Upgrades
View information on the Plant Upgrades
Notifications
Sign up for CSO Notifications
If you would like to receive notification when the City of Lowell experiences combined sewer overflows due to heavy rainfall, sign up here to be added to the distribution list.