ILLINOIS POLLUTION CONTROL BOARD
    June 28, 1973
    )
    VILLAGE OP BRADLEY
    )
    )
    )
    y.
    )
    PCB 73-142
    )
    )
    ENVIRONMENTAL PROTECTION AGENCY
    )
    )
    OPINION AND ORDER OP
    THE
    BOARD (by Mr. Dumelle)
    This is apetition for yariance from Rule 921(a) of the
    Water Regulations
    which prohibits the Agency from issuing a perthit
    if
    the
    operation
    of the proposed facility will be causing a violatio.
    of the Act or Regulations. Hearing was held on May 31, 1973.
    The Village wants to secure sewer connection permits for a
    shopping center, an automobile agency, a motel expansion and 500
    single family homes. The Agency has had to deny the request because
    it has determined that the Village’s sewage treatment plant is both
    hydraulically and organically overloaded, and therefore under Rule
    92l(a),no sewer permits could be issued. The plant discharges to thc
    Icankakee River which affords a dilution ratio of 200:1.
    Acco.rding to the plant’s operational reports, the overage daily
    flow to the plant has been 1.98 mgd. According to the
    Agency
    this
    indicates that the plant is hydraulically overloaded by 0.7 mgd
    and organically overloaded by 6,400 P.13. Agency grab samples of
    the plant effluent taken between Apri~1972 and February 1973 show
    BOD at 20, 27, 22, 21, 52, 138, 10, 23, and 130 mg/l and suspended
    solids at 37, 102, 66, 45,
    51, 26, 16, 38 and 36 mg/l.
    The proposed new construction would be adding an additional
    0.37 mgd of dry weather flew to the system and plant. The Village
    claims that this increase will be offset by the elimination of
    0.40 mgd of stormwater due to a current sewer separation program.
    As the
    Agency points out, the proposed 0.37 mgd additional load
    would increase the burden on the plant
    on a daily basis while the
    decrease
    of 0.40 mgd of stormwater only takes into account flows
    generated during wet weather
    periods. We can soc therefore that
    this may not be a net decrease
    on the plant’s burden. Furthermore,
    BOD and suspended solids concentrations in domestic sewage are
    typically higher than those associated with infiltrated stormwater
    so that the organic burden on the plant will certainly be increased.
    8—400
    -2-
    The Village contends~that the replacement of a sewer line near
    Soldier Creek removed constant (therefore dry weather) inflow. The
    Village is flanning to expand its treatment plant so that it will
    eventually be in
    compliance.
    At the present time, though, it is
    uncertain as to
    when
    that project will ever be completed. Comple-
    tion of the project is contingent upon receipt of State and Federal
    funds and also upon
    the
    formulation of a plan
    by
    the Regional Plan
    Commission. Presently things are moving very slowly on that project
    and we have
    no
    idea
    when it
    will be ~ompleted.
    We cannot fully grant the variance on the basis of this record.
    All that we can see .i s that there may he no net decrease on either the
    hydraulic or organic burden on the plant as a result of the sewer
    separation project and also that there is nothing definite as to when
    the plant will be expanded.
    Since the additional
    loads will be
    s~nal and the revenuc’ gain laroe we wi Tt 1 grant a partial variance to
    permit service to to shopping center and the automobile agency.
    We deny the var
    i
    ance as to the
    00 homes and. Holiday Inn expansion but
    without prejudice to the Viliag
    of Bradley filing a later petition.
    The Board favors the cons truct i on of homes but 500 permits are
    simply too many to all ow at one fell swoop withou ~ a deeper explora-
    tion of lute rim tree tuont improvements.
    1~o strongly sugge.s t that
    Bradley instruct its consul ticg ongi neers to investigate
    the use of
    chemicals at: tile se~agc plant (polymers
    alum, etc.
    )
    to gain
    increased removal efficiencies
    as has been done elsewhere in the
    Sta Lo.
    0 Ri) PR
    Vu rian~:e .1 s graiitcd to permit sewer ex tensions to serve the
    proposed auto~~)ohiIc agency and shopping center.
    Other requested
    extcnsJ ons are de~icd rn thout proj udicc.
    IT IS SO OIWEREI).
    I, Christan L. Noffett, Clerk of the Illinois
    Pollution Control
    Board, hereby certify the qhovc Opinion and Order were adopted on the
    day of June,
    1973 by a vote of
    _______
    ___________________
    Christan L. Moffett, Clerk
    Illinois
    Pollution Control Board
    8—41C

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