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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

La Center

La Center

PROJECT HIGHLIGHTS

  • Commissioned May, 2010
  • Domestic WW, SBR Retrofit
  • Permit(s); Discharge
  • 12/NA/NA (TN/TP/Turbidity)
  • Municipal => River
  • MMF Capacity: 0.86 MGD
  • $13.26/gal
  • 3 FTE (Full-Time Employees)
Five time award winning plant.

DESCRIPTION

The La Center WWTP was designed to be expanded to treat over 6 MGD on less than an acre. The new facility is being designed in phases to be efficient and capacity added as needed.

Phase 1 added the new MBR system, complete with a new headworks building, screening system, and blower room all sized for 20 year flows based on the City’s Comprehensive Plan. The flow capacity of Phase 1 is 0.86 MGD maximum monthly flow with a peak daily flow of 1.5 MGD.

Phase 2 will address additional solids handling needs and Phase 3 would double the capacity of the plant by duplicating the Phase 1 upgrades for the Membrane Bioreactors (MBR) and should have capacity to treat the 2028 population.

LOCATION

La Center, WA

IMAGES

GENERATE PDF VERSION

PROJECT OVERVIEW

System Type(s) Ovivo MBR
Previous Facility Type SBR
Owner City of La Center
Engineer Kennedy/Jenks
Contractor McClure & Sons
Operations City of La Center
Delivery Method Pre-Selection, Pre-Purchase
Time To Retrofit 16 months
Total Installed Project Cost $11,400,000

PLANT DESIGN INFORMATION

Fine Screen Type Drum Screen
Aperture or Slot Size 3 mm
Supplemental Aeration Technology Fine Bubble, Strips
MBR Blower Type Positive Displacement
Solids Management Data Screw Press, Dryer, Land Application
SCADA System Wonderware
Disinfection Method UV
# Process Stages 3

MBR (MEMBRANE ZONE) DESIGN

Filtration Mode PAG (Pump Assisted Gravity)
# of Reactors : 2
Submerged Membrane Unit (SMU) RW400
# SMU 10
Design Flux (MMF) 13.8 gfd
Minimum Temperature 13°C
Peak Factor 2.3
# of Maintenance Cleans 4
Jackson Hole Airport WY
Leoni Township