The Davis Wastewater Treatment Plant (WWTP) Secondary and Tertiary Improvements project in Davis, California has earned the Envision Silver Award for sustainable infrastructure.
The Davis WWTP project involves the design and construction of improvements to the existing WWTP in order to meet State and Federal regulatory discharge requirements contained in the 2012 National Pollutant Discharge Elimination System (NPDES) permit. The project includes new secondary biological treatment, which is replacing the existing ponds and overland flow treatment system with an activated sludge process. The project also includes new tertiary filtration advanced treatment facilities, an upgraded disinfection system, ponds for flow equalization, system redundancy and allowances for future treatment capacity, new solids handling facilities, and remodeled operations, laboratory and maintenance facilities.
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