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Detroit Wastewater Treatment Plant

Primary capacity

6 million m³/d

Secondary capacity

3.2 million m³/d

Average flow

2.6 million m³/d

Population served

3 million

Area served

946 square miles

Secondary treatment type

Activated sludge

Solids treatment

Incineration

Sewer infrastructure

3,400 miles of sewers, 14 pumping stations, 3 storm water detention basins

Capital improvement 5-year budget

$2.6 billion

Overall project costs (2005-06)

$434 million

Plant constructed

1939

Additional sedimentation tanks

1954

Enhanced treatment and expansion

1957

Polymer and pickle liquor feeds added

1970

Full secondary treatment added

1972

Second pumping station built

1994

Control and computer systems upgrade began

2000

Control and computer systems phase I upgrade completed

2004

Control and computer systems phase II upgrade completion

2006

Completion of current project elements

2007

Sponsor

City of Detroit Water and Sewerage Department

Lead contractor

Emerson Process Management, Datanet

Construction

Walbridge Aldinger, Jenkins Construction

Others

Montgomery Watson, Tucker Young Jackson Tull, Westin Engineering

Electronic visual management system

Tibco
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