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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14-0917 Design Review

STI Project Design Progressing

The Design-Build Team of AECOM / WM Lyles has been diligently designing the facility improvements. The City and the Design-Build Team are working collaboratively to refine and detail the proposed improvements that were submitted during the request for proposal competition. The 50% design submittal will be completed on October 6th. Preparatory construction activities, such as improving the …

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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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