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