ILLINOIS POLLUTION CONTROL BOARD
April
7,
1988
IN
THE
MATTER OF:
PETITION FOR SITE—SPECIFIC
RELIEF BY THE CITY OF ALTON
)
R82-7
PROPOSED RULE.
SECOND N~OTICE.
ORDER
OF THE BOARD
(by J.
Marlin):
This matter comes before
the Board upon the April
15,
1982
filing by the City of Alton
(City)
of
a proposal
for site—
specific relief from 35 Ill.
Adm. Code 304.106
(offensive
discharges),
304.120(c)
(10/12 mg/l BOD/TSS effluent standards),
304.121
(400 mg/i fecal coliform bacteria effluent standard),
304.124
(15 mg/l total suspended solids effluent standard),
and
from
the combined
sewer overflow
(CSO)
provisions
at Sections
306.302
(prohibition on expansion of or
new CSO service
areas)
306.303
(elimination of excess sewer infiltration),
306.304
(prohibition on sanitary sewer overflows),
306.305
(treatment of
overflows
and bypasses)
and 306.306
(compliance dates).
On January
21,
1988,
the Board,
for
the second
time,
proposed
a rule for First Notice.
That proposal was published
in
the Illinois Register on February 16,
1988.
12
Ill.
Reg.
3547.
The Board received
no public comments during the First
Notice comment period.
For clarity,
the Board has added
an
explanatory sentence at the beginning
of
Section 306.502.
Also,
the Board
has made some non—substantive changes
in accordance
with
the codification requirements of the Secretary of State.
The Board hereby proposes
the following amendments
for
Second Notice to be filed
with the Joint Committee on
Administrative
Rules.
TITLE
35:
ENVIRONMENTAL PROTECTION
SUBTITLE
C:
WATER POLLUTION
CHAPTER
I:
POLLUTION CONTROL BOARD
PART 304
EFFLUENT STANDARDS
SUBPART B:
SITE SPECIFIC RULES AND
EXCEPTIONS NOT OF GENERAL APPLICABILITY
Section 304.210
Alton Wastewater Treatment Plant Discharges
The discharge
from
the City of Alton’s
(Alton)
sewage treatment
works outfall
001 sewer located on Wood River Creek,
approximately 1,000 feet from
its confluence with
the Mississippi
88—i09
2
River,
shall not be subject
to Section 304.120(c).
Instead,
Alton’s discharge
shall
not exceed
the
following 1imi~ations:
20
milligrams
per
liter
for five day biochemical oxygen demand
(BODS)
(STORET number 00310)
and 25 milligrams
per liter
for
total
suspended solids (STORET number 00530).
Compliance shall
be determined consistent with Section 304.120(e).
(Source:
Added
at
12
Ill.
Req.
effective
PART
306
PERFORMANCE CRITERIA
SUBPART F:
SITE SPECIFIC RULES AND EXCEPTIONS
Section 306.502
Alton Combined Sewer Overflow Discharges
This Section
shall apply to certain
sewzr discharges from
the
City of Alton.
a)
The discharge
from the Piasa—State Street Sewer, defined
as being
at Mississippi
River mile 202.64,
shall
not be
subject
to
the provisions of
35 Ill. Adm. Code
304.106,
304.120,
304.121 and 304.124 during
the
following
conditions:
1)
Prior
to
replacement of
the existing Locks and Dam
26, when the tailwater elevation exceeds
415.3;
or
2)
After replacement of Locks and Dam 26, where
the
pooi level
exceeds elevation 420
at Mississippi
River miles 203.12 and 203.22
(Piasa and State
Street Outlets relocated)
b)
Discharges from
the City of Alton at Mississippi
River
miles 201.66
(Shields Valley),
202.24
(Central Avenue),
203.12
(Piasa Outlet),
203.22
(State Street Outlet),
203.61
(Summit Street), 203.87
(Bluff Street)
and 204.30
(Turner Tract),
shall
be subject
to the following
conditions:
1)
The overflow structures and the associated
interceptor sewer
shall be protected
against
intrusion by flood waters and
be maintained
operational at
flood stages from Mississippi River
backflow for
a 25—year Mississippi
River
flood
stage, except as
follows:
3
Prote
Mean
ction Level
Sea Level
(MSL)
Overflow
Structure
River
Mile
River
Stage
Piasa Outlet
203.12
420.0 MSL
State Street Outlet
203.22
420.0 MSL
Summit Street
203.61
426.7 MSL
Bluff
Street
203.87
426.7
MSL
Turner
Tract
204.30
426.7
MSL
2)
The
City
of
Alton
shall
achieve
and
maintain
maximum transport capability of the south
side
interceptor sewer
system;
and
3)
No later than the date of completion of
Lock and
Dam 26 the south side interceptor pump station
shall
be upgraded
to
a design capacity of
a minimum
of 13.7 million gallons per day.
c)
Discharges from the combined sewer overflows.designated
in subsection
(b)
shall not be subject
to the treatment
requirements
of Section 306.305(a)
and
(b)
provided
that:
1)
The City of Alton
shall achieve
and maintain
maximum transport capability of
the South side
interceptor sewer
system;
and
2)
The South
side
interceptor pump station shall be
upgraded
to
a design capacity of
a minimum of 13.7
million gallons per day.
(Source:
Added
at
12
Ill.
Reg.
effective
IT
IS SO ORDERED.
I,
Dorothy
M.
Gunn, Clerk
of the Illinois Pollution Control
Board, hereby certify th~ the. above Order
was
adopted
on
the
~
day of
________________,
1988,
by
a vote
of
7~c2
I
/~
/
//~
Dorothy
M.
c~tinn, Clerk
Illinois Pollution Control Board
88—111