Serving Kimberly, Little Chute, Kaukauna, Combined Locks, and Darboy
Heart of the Valley Metropolitan Sewerage District
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13-HOVMSD New Site Plan(compressed photo)

HEART OF THE VALLEY
METROPOLITAN SEWERAGE DISTRICT
WASTEWATER TREATMENT FACILITY



MISSION STATEMENT
The mission of the Heart of the Valley Metropolitan Sewerage District is to provide cost-effective wastewater conveyance and treatment for its member Communities while protecting public health, safety and the quality of the environment.

The District will provide high quality services through continuous improvement of facilities, infrastructure and our employees' individual and team capabilities, and the dilligent collaboration and cooperation with regulatory agencies, community planners, developers and the public.

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HEART OF THE VALLEY

METROPOLITAN SEWERAGE DISTRICT

 

          The Heart of the Valley Metropolitan Sewerage District was established in 1974 to treat wastewater from the City of Kaukauna, Villages of Little Chute, Kimberly and Combined Locks and the Darboy Sanitary District serving roughly 48,000 people as of 2010. 

 

          Septic and Holding Tank Waste from the Towns of Kaukauna, Buchanan, Vandenbroek, Freedom and Harrison are also brought to the Districtââ¬â¢s Treatment Facility for treatment.  The Heart of the Valley MSD Treatment Facility is located in the City of Kaukauna on the end of the island behind the Thilmany Mill.

 

          The District is governed by a five member Commission appointed by the Outagamie County Executive to five year terms.  The Commission oversees the operation of the Treatment Facility through the District Manager, Plant Staff and Operational Personnel who perform the daily operational duties at the Wastewater Treatment Facility.

 

 

Plant Layout

 

   PLANT LAYOUT

 


 
HOV LIQUID TRAIN PICTURE


Actiiflow Building

                                                        Actiflo Building

The Actiflo Ballasted Sedimentation System including two (2) separate treatment trains each consisting of a Coagulation Tank, Maturation Tank, and Settling Tank.  Ferric Sulfate and Polymer are added to the Actiflo System Influent to aid in coagulation/flocculation of suspended matter.  Sand is also added for ballast, but is not required if Influent Flow is less than 15.6 MGD or 7.8 MGD per Actiflo train

During dry weather flow of less than 15.6 MGD, the sand is not fluidized.  Settled sludge is pumped from the bottom of each trainââ¬â¢s settling tank to hydrocyclones used to separate the sand and primary sludge.  The sand is returned to the Actiflo systems and the sludge is discharged to the Gravity Thickener.


Biostyr Building

                                                    Biostyr Building


Biostyr Cells

                                                        Biostyr Cells

The Biostyr Biological Aerated Filtered (BAF) System is an up flow biological aerated filter used to provide removal of residual suspended solids and soluble CBOD as well as nitrification.  Eight (8) BAF separate cells are provided and flow is divided evenly between the cells in operation.  Cells are automatically brought on and off line based on the demand flow and ammonia loading to the BAF system.  It is predicted that during average flow conditions the filters will require backwashing approximately every 48 hours, while under peak flow conditions, the filters will require backwashing approximately every 24 hours.  Waste BAF backwash is stored in the Spend Backwash Tank and returned to the Actiflo Influent Channel using two (2) variable speed dry pit submersible pumps.

BAF System Effluent flows by gravity to the Normal Flow Chlorine Contact Tank.  Sodium Hypochlorite is added immediately upstream of the Normal Flow Chlorine Tank and also at the Peak Flow Chlorine Contact Tank inlets for disinfection.  Sodium Bisulfite is added downstream of the Chlorine Contact Tanks to remove residual chlorine prior to discharging to the Fox River.



 
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