ILLINOIS POLLUTION CONTROL BOARD
June 28, 1973
)
CITY OF NASHVILLE
)
)
)
v.
)
PCB 73-227
)
)
ENVIRONMENTAL PROTECTION AGENCY
)
)
ORDER OF THE BOARD (by
Mr.
Dumelle)
Variance is granted from Rule 203(f) of the Water Pollution
Regulations to permit the use of copper sulfate in the water supply
reservoir to control algae subject to the following conditions.
1. Treatments with copper sulfate shall be limited to
one per month for the months of June through and in-
cluding October, 1973.
2. The dosage
with
copper sulfate shall not exceed 350 lbs. per
treatment.
3. Copper concentrations at the raw water intake to the water
treatment plant shall not exceed 1.0 mg/l.
4. Copper concentrations •in the reservoir shall be measured
before and after each treatment and reported to the Agency
on a monthly basis.
IT IS SO ORDERED.
I, Christan L. Moffett, Clerk of the Illinois Pollution $ontrol
Board, hereby certify the above Order was adopted on the ~
‘
day
of June, 1973 by a vote of
~
—~
~~
Christan L. Mof~ett~ç~rk
illinois
Pollution Cqng~ro1 Board
—
419