The finished filter in operation.
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Intake screens awaiting positioning during the construction work. The plant... -
Excavation on the Caisson in November 2000. -
Periodic air back-flushing is used to clean the intake screens of... -
The finished filter in operation. -
The filter during construction. It consists of a granular activated carbon... -
The plant's ozone machine generates the ozone required for disinfection,... -
Liquid oxygen is used to generate the ozone; it is evaporated into gas and... -
Laying the water pipeline. The Williamette plant has a submerged water intake. -
The sedimentation tanks; enhanced sedimentation removes particulates using a... -
The plant's underground storage tank, where a small amount of chlorine is...
