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    DeKalb, Illinois
  • Friday 07:22 PM
    22nd of September, 2017
    - or - 815.758.3513

    Kishwaukee Water Reclamation District Phase 1B Improvements

    The District's $46.35m project will be getting underway soon.

    Details of the upcoming project can be viewed by clicking below

    Ph 1B Improvements

    Notice of Kishwaukee Water Reclamation District's Name Change

    The DeKalb, IL Sanitary District has changed it's name to the

    Kishwaukee Water Reclamation District. Click on the link below

    Notice of Name Change

    Scope of Service

    Treating Wastewater

    Four to Nine Million Gallons a Day in Normal Conditions

    The work done by a wastewater treatment plant is measured in MGD (millions of gallons per day) units.

    On normal days, users of the Kishwaukee Water Reclamation District generate between 4.0 and 8.0 Million Gallons of wastewater. The chart that follows shows the average daily flow of wastewater to the plant for the year 2016 by month in millions of gallons.

    2016 Monthly  

    Average Daily Flow
    January  

    6.56 MGD
    Febuary  

    5.92 MGD
    March  

    6.78 MGD
    April  

    6.9 MGD
    May  

    9.69 MGD
    June  

    5.21 MGD
    July  

    5.02 MGD
    August  

    6.15 MGD
    September  

    5.66 MGD
    October  

    5.29 MGD
    November  

    5.92 MGD
    December  

    6.05 MGD

    Much More in Heavy Rainfall Conditions

    Although the District is constantly improving the collection system to try to prevent excess flows during heavy rainfall events, undiscovered connections between the storm sewers or house tiling systems and the sanitary sewers still exist. That means that during rain events, water floods the collection system raising the plant flow to astonishing levels of 30, 40 or 50 Million Gallons of wastewater a day for brief periods of time, challenging the plant and its operators.

    Serving a Variety of Users

    Residential

    Residential users include about 43,000 residents in and around the City of DeKalb.

    Commercial and Retail

    The District also serves the service and commercial businesses in its Facilities Planning Area. These include restaurants, retail stores, health care providers, recreational and entertainment enterprises.

    Industrial

    The industrial sector includes local industries that are considered “Significant Industrial Users” under the Environmental Protection Agency’s National Pollutant Discharge Elimination program. The discharges of these and other industrial users are regulated to protect the population and the environment. Testing is done to assure that the regulated industrial users are following the stipulations of their discharge permits.

    University

    The District treats wastewater generated by Northern Illinois University students, faculty, and service employees. The more than 21,000 students attending NIU in DeKalb, IL. account for a significant proportion of the total wastewater volume that reaches the plant at 303 Hollister Avenue which then treats and discharges to the Kishwaukee River.

    The operation of the treatment plant is complicated by the University’s large population, which is around half of the population in the City of DeKalb. The flow coming to the plant from the University varies with the class schedule. The volume of wastewater the plant must handle jumps dramatically when the students return to campus and falls dramatically when they leave.

    The treatment plant’s design depends on biological organisms to remove organic substances from the wastewater. These living communities of organisms adjust to their environment. The quick upswing or downswing upsets the organisms, demanding great expertise on the part of plant operators to keep the biological treatment system in balance.

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