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MBRCentral.com is your source of information for OVIVO® MBR products & services. Constantly evolving, MBRCentral.com will provide you with all the tools you need regarding OVIVO® MBR.
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Home Case Study

Dundee, OR

Dundee, OR

PROJECT HIGHLIGHTS

Commissioned August, 2012 Domestic WW, Greenfield Permit(s); Discharge 10/NA/2   (TN/TP/Turbidity) Municipal, Winery -> River MMF Capacity: 1.08 MGD $8.7/gal 2 FTE (Full‐Time Employees)  
Several wineries within Dundee city limits discharge high BOD loads to the City’s sanitary sewer system during various times of the year.

DESCRIPTION

The City of Dundee owned and operated an existing lagoon wastewater treatment plant (WWTP) system that discharges treated effluent to the Willamette River. The WWTP was constructed in 1969 with a single lagoon, followed by an expansion in 1979 with the addition of two more lagoons. The treatment capacity of the WWTP had been exceeded for several years. The City improved the facility with a MBR system to provide adequate treatment capacity for flows and loads through 2031, but also to enhance the appearance of the site and reduce odors. The MBR facility is a foundation for community development, and allows the City Council to guide economic and community growth without limitation of wastewater treatment services.

LOCATION

Dundee, OR

IMAGES

GENERATE PDF VERSION

PROJECT OVERVIEW

System Type(s) Enviroquip ® MBR
Previous Facility Type Lagoon
Owner City of Dundee
Engineer Kennedy/Jenks
Contractor McClure & Sons
Operations City of Dundee
Delivery Method Pre-Select, Pre-Purchase
Time To Retrofit 15 months
Total Installed Project Cost $9,400,000

PLANT DESIGN INFORMATION

Fine Screen Type Screw/Auger
Aperture or Slot Size 3 mm
Supplemental Aeration Technology Fine Bubble, Disks
MBR Blower Type Turbo
Solids Management Data Facultative Sludge Lagoon
SCADA System Wonderware
Disinfection Method UV
# Process Stages 3

MBR (MEMBRANE ZONE) DESIGN

Filtration Mode PAG (Pump Assited Gravity)
# of Reactors : 2
Submerged Membrane Unit (SMU) RW400, KUBOTA®
# SMU 14
Design Flux (MMF) 12.4 gfd
Minimum Temperature 13°C
Peak Factor 2.0
# of Maintenance Cleans 4
Dundee
Eagle Crest