Rigby WWTP Improvements
Construct two oxidation ditches, two secondary clarifiers, scum lift station, clarifier splitter box, septage receiving box, and UV/Solids handling facility.
current
Construct two oxidation ditches, two secondary clarifiers, scum lift station, clarifier splitter box, septage receiving box, and UV/Solids handling facility.
Rehabilitate a non-compliant surface water treatment system with a compliant system.
Construct a 120-foot diameter Secondary Clarifier No. 4, Filter Facility, Filter Support building, Clean Water Facility, and a Sludge Transfer Station building.
Design-build a 50,967 SF administrative and training facility with simulators, auditorium, conference and training rooms, and instructors’ offices.
Construct two new high-rate clarifiers with vacuum blowers, two new media filters, a new UV disinfection system, install high service pumps, piping, and valves.
Headgate pit repairs on Little Goose, Lower Monumental, and McNary Dams.
Construct new dam and dike embankments, toe drains, install concrete encased HDPE outlet works pipe…
Construct new Headworks and Membrane Bioreactor (MBR) buildings and treatment process basins.