Projections of the volume of sewage flow into the Metropolitan Wastewater
Treatment Plant (Pig's Eye plant) serving the Minneapolis-St. Paul
metropolitan area have compelled the Metropolitan Sewer Board to plan an
expansion of the existing treatment facilities at Pig's Eye Island on the
Mississippi River. A listing of selected anticipated flows is given in
Table A-l of Appendix A. Under the title "Project 71" it is planned to
increase the pretreatment and primary treatment capacity from an existing
260 MGD design capacity to 620 MGD, which corresponds to the present interceptor
capacity. The increment of 360 MGD will be treated in new and
separate facilities to be located to the east of the existing ones. To
route part of the flow to the new facilities, a diversion (division)
structure in the main interceptor just north of the existing plant is
Toltz, King, Duvall, Anderson and Associates, Inc.; Metropolitan Sewer Board
Stefan, Heinz; Bancroft, Earl; Martin, Glenn.
A Physical Model Study of the Main Interceptor Diversion Structure at the Expanded Metropolitan Wastewater Treatment Plant.
St. Anthony Falls Hydraulic Laboratory.
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