!LLINOIS POLLUTION CONTROL
    BOARD
    September 18,
    1975
    VILLAGES OF ROUND LAKE, ROUND
    LAKE
    )
    PARK, ROUND LAKE BEACH,
    and AVON
    )
    TOWNSHIP,
    Petitioners,
    v.
    )
    PCB 75—308
    ENVIRONMENTAL PROTECTION AGENCY,
    Respondent.
    OPINION OF THE
    BOARD
    (by Mr. Dumelle):
    The Pollution Control Board on September
    4,
    1975 granted
    Petitioners a variance from Rule 203(h)
    of the Water Pollution
    Regulations
    in order to apply rotenone,
    a fish toxicant,
    to
    Round Lake.
    Petitioners had applied on August
    6, 1975 for a
    variance to apply rotenone in order
    to remove an over abundance
    of stunted yellow bass and carp populations.
    On September
    4,
    1975
    the Illinois Environmental Protection Agency
    (Agency)
    filed a recommendation to grant the variance subject to certain
    conditions.
    No hearing was held on the request.
    The Board
    has approved for final public comment a regulatory amendment to
    Rule 203(h) of the Water Pollution Regulations, R75—7, which
    if enacted would allow the use of fish toxicants under the
    direction of the Department of Conservation.
    Round Lake is a 215 acre lake located in Lake County,
    Illinois.
    The Illinois Department of Conservation
    Fish
    Surveys of Round Lake, which were conducted in l968~1972,
    and
    1974 indicate that the quality of fish life
    in Round Lake has
    deteriorated.
    Based on these, studies,
    the Department of
    Conservation has recominended~thecomplete rehabilitation of
    Round Lake through the ~a~p1ida~tionof rotenone.
    A fishery
    biologist from the Department of Conservation will apply the
    2.5
    emulsifiable rotenone solution during the second week
    of September.
    Petitioners estimate that the water temperature
    of the Lake will c~iusethe rotenone to remain toxic for a
    period of ten to fourteen days.
    Petitioners will prevent
    18
    —
    475
    —2—
    Round Lake from discharging during the treatment period by
    raising the level of the dam.
    Petitioner will treat any
    effluent discharged over the dam with potassium permanganate
    in order to detoxify the rotenone.
    Between 53.8 and 64.5
    tons of fish will be killed as a result of the rotenone
    treatment.
    Petitioner will remove the dead fish by volunteers
    and will, dispose of the fish a~tsanitar’j
    landfill,
    rderinc~
    plants, or mink farms.
    Round Lake discharges to an unnamed
    creek which flows for approximately 2.5 miles before discharging
    into Long Lake.
    Neither Round Lake nor Long Lake are utilized
    as public water supplies.
    The Board finds that the application of rotenone to Round
    Lake will result
    in an enhancement of the fishery present in
    Round Lake.
    For this reason the Board finds the grant of a
    variance
    to be warranted.
    This Opinion constitutes the Board’s findings of fact and
    cnclusions of law.
    I, Christan
    L. Moffett, Clerk of the Illinois Pollution Control
    Board, hereby certify the above Opinion was adopted on the
    /VA
    day
    of September,
    1975 by a vote of
    ,3_~
    Christan L. Moffett, Clerk
    Illinois Pollution Control Board
    18
    —
    476

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