ILLINOIS POLLUTION CONTROL BOARD
    September 12, 1974
    )
    VILLAGE
    OP
    PREEBURG
    )
    )
    v.
    PCB 74-205
    )
    )
    ENVIRONMENTAL
    PROTECTION
    AGENCY
    OPINION
    AND
    ORDER
    OP
    THE
    BOARD
    (by
    Mr.
    Dumelle):
    Petition for variance was filed June
    3, 1974 to apply copper
    sulfate into the water reservoir to prevent algae growth.
    The
    Board on June 6,
    1974 entered an order requesting data on the copper
    concentrations achieved during copper sulfate applications in 1973.
    On July 8, 1974 the requested data was supplied by the con-
    sulting engineer.
    He also asked that the reservoir be exempted
    from the need for a variance since it is above the river and not
    used by the public.
    We do not rule on this request since it can
    be handled by the grant of the variance.
    The Agency’s recommendation filed July 30 points out that
    the Village dosed its reservoir with copper sulfate in 1973 before
    it was granted the variance in PCB 73-312.
    However it does not
    feel that this past action should Jeopardize its application this
    year.
    Pursuant to the Agency conditions we grant the variance from
    Rule 203(f)
    to allow copper sulfate dosing of the reservoir.
    ORDER
    1.
    Variance is granted from Rule
    203(f) of the Water Pollution
    Regulations to permit the use of copper sulfate in the water
    reservoir during 1974.
    2.
    Treatments shall be limited to one per month for the months
    of June through September, inclusive, not to exceed 10 lbs.
    of copper sulfate per treatment.
    3.
    Copper concentrations in the raw water intake to the treatment
    plant shall not exceed 1.0 mg/l.
    13—Ill
    4.
    Measurementl of copper in the reservoir before and after
    each treatment and at the raw water intake during such
    dosage
    shall be i.erformed.
    Results stall be reported
    to
    tie Agency on
    a inonthi.y basis.
    I,
    Christan
    L. Moffett, Clerk 0f the Illinois Pollution Control
    Board, hereby certify the above Opinion and Ordker were adopted on the
    ~day
    of September,
    1974 by a vote of
    ~—O
    ristan
    o
    e
    er
    Illinois Pollution
    trol Board
    13~592

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