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Water System Improvement Updates
Weekly Update
September 17, 2026 Update
Work at the Plymouth Street Treatment Facility continues to progress. Testing is underway on the Greensand filter chemical feed systems and SCADA controls. Additionally, contractors are advancing work on the PFAS system by finalizing piping and pipe supports and preparing for commissioning. Construction of the lagoon is complete, and the perimeter fencing has been successfully installed. We will continue coordinating closely with our engineering team and contractors as we prepare the facility for full operation.
Memo from the Town Manager on Plymouth Street Treatment Facility/ Water Updates
Plymouth Street Treatment Site Construction Updates
The Town will continue to provide weekly construction photo updates as work progresses at the Plymouth Street Treatment Site. Each weekly update includes a PDF photo packet showing recent site work and progress.
Week 21
Latest UpdateWork at the Plymouth Street Treatment Facility continues to progress. Testing is underway on the Greensand filter chemical feed systems and SCADA controls. Additionally, contractors are advancing work on the PFAS system by finalizing piping and pipe supports and preparing for commissioning. Construction of the lagoon is complete, and the perimeter fencing has been successfully installed. We will continue coordinating closely with our engineering team and contractors as we prepare the facility for full operation.
Week 18
Progress at the Plymouth Street Treatment Facility remains steady as the project team enters the startup and commissioning phase.
Late last week, water filtration commenced through the iron and manganese vessels. Throughout this week, the team will continue system testing and component monitoring to ensure optimal and consistent operations. Key areas of focus include water quality monitoring, alarm verification, and SCADA control system evaluation.
Week 17
Construction at the Plymouth Street Treatment Facility has entered the startup and commissioning phase. Chemical feed systems and automatic controls are being tested and finalized, while electrical and lagoon work nears completion. The team will soon begin treating water through the Greensand Filters to test water quality and confirm system performance before operations begin.Week 16
Construction at the Plymouth Street Treatment Facility is nearing startup. Crews completed PFAS filter pressure testing, chemical feed systems, and site grading, while final electrical work, lagoon work, and system sequencing continue.
Week 15
Construction continues to progress at the Plymouth Street Treatment site. Electrical conduit installation is underway, final lagoon grading is nearing completion ahead of liner installation and drain line testing, and SCADA integration work continues in preparation for system startup.
Previous Weekly Updates
Open the archive below to view construction summaries and photo PDFs from Weeks 1–14.