ILLINOIS POLLUTION CONTROL BOARD
    June
    21,
    1990
    IN THE MATTER OF:
    JOINT PETITION OF THE P~JRORASANITARY
    )
    DISTRICT, THE CITY OF AURORA,
    AND THE
    ILLINOIS ENVIRONMENTAL PROTECTION
    )
    PCB 85-224
    AGENCY FOR EXCEPTION TO THE COMBINED
    )
    (CSO Exception)
    SEWER OVERFLOW
    (CSO)
    REGULATIONS
    ORDER OF THE BOARD
    (by R.C.
    Flemal):
    This matter comes before
    the Board on
    a Motion for
    Modification of
    a Board Order filed June
    14,
    1990
    by Aurora
    Sanitary District (“ASD~), the City of Aurora, and the Illinois
    Environmental Protection Agency.
    The Board’s
    final Order
    in this matter,
    in which
    the Board
    granted
    the CSO exception,
    was entered on July
    13,
    1988.
    Conditions attached to the grant of exception include certain
    construct~ionand operational requirements imposed on the ASD as
    found at Condition (paragraph)
    #3 of
    the July
    13 Order.
    Among
    other matters, Condition
    #3
    does not specify a date certain upon
    which these
    requirements are
    to be
    in effect.
    Subsequent
    to entry of the July
    13 Board Order,
    the ASD
    obtained
    a State of
    Illinois Loan
    to enable
    it
    to carry out
    the
    requirements
    of Condition
    #3.
    A condition of the loan
    is that
    Condition
    #3
    be modified to reflect
    a completion date
    of July
    1,
    1992.
    Petitioners accordingly now request
    that the Board
    so
    modify Condition
    #3.
    Petitioners’ motion is granted.
    Condition
    #3
    of the Board’s
    Order
    in this matter of July
    13,
    1988
    is hereby amended
    to read
    as
    follows:
    3.
    The Aurora Sanitary District Treatment
    facility shall
    be
    operated
    in accordance with the following provisions,
    effective July
    1,
    1992:
    a,
    All flows received at
    the treatment plant must
    be
    screened and metered.
    b.
    All
    flows
    up
    to
    73 million gallons per day
    (“MGD”)
    must receive
    a minimum of primary clarification
    prior
    to and during any occurrence
    of bypassing.
    C.
    All
    flows up
    to 68 MGD must receive
    full,
    treatment
    prior
    to and during any occurrence of bypassing
    ahead of or following primary
    treatment units.
    ii 2—335
    —2—
    IT
    IS SO ORDERED.
    Board Member J.D. Dumelle concurred.
    I,
    Dorothy
    M.
    Gunn,
    Clerk of the Illinois Pollution Control
    Board, hereby certify that
    the above Order was adopted on
    the
    ~/~t
    day of
    ~
    ,
    1990,
    by
    a vote of
    7-O
    ~.
    ~
    Dorothy
    M.
    ~inn, Clerk
    Illinois Pollution Control Board
    112—336

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