Rio Vista Wastewater Treatment PlantClient: City of Rio Vista
Location: Rio Vista, CA
Start Date: December 2004
Final Completion Date: July 2006
Contract Amount: $26 million
Work at Rio Vista included the construction of a million gallon-per-day
wastewater treatment plant. The team at the Greenfield site performed
mass excavation and structure excavation, then constructed an influent
pump station, headwork facility, anoxic and aeration basins, and a
zenon membrane system.
The $26 million Rio Vista contract also called for a
UV disinfection system, dewatering building, emergency storage pond,
solar drying facilities, lab/admin building blower and chemical
building, and an effluent pump station.