Detroit Wastewater Treatment Plant, Detroit Water and Sewerage Department (DWSD), MI, USA
Key Data:
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
Project Timeline:
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
Key Players:
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
