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Welcome to the City of Davis Wastewater Treatment Plant Upgrade project website.  Look here for information about the project status and schedule, and for opportunities to get involved.

The project will design and construct improvements to the City’s existing wastewater treatment plant in order to meet State and Federal regulatory discharge requirements contained in our adopted 2007 National Pollutant Discharge Elimination System (NPDES) permit. The compliance schedules contained within the 2007 permit provide the City until October 2017 to complete the project.

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New influent piping will reduce pumping costs and maintenance.

R&R Project Nearing Completion

The year long Rehabilitation and Replacement (R&R) Project is nearing completion. The contractor is completing final work items and is scheduled to be completed by September 3rd. The R&R project rehabilitated many portions of the plant in anticipation of the Secondary and Tertiary Improvements (STI) Project that is currently in design and scheduled to start …

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barscreen

New bar screens in operation

A major objective of the Rehabilitation and Replacement project was to improve how the facility removes unwanted constituents from incoming wastewater before it reaches the treatment process. Examples are rags and plastics. These items can damage downstream treatment equipment and increase maintenance costs. The existing single bar screen was replaced by two new bar screens with …

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