ILLINOIS POLLUTION CONTROL BOARD
July 11, 1974
VALOISE
S.
FPMCETT,
)
)
Petitioner,
1
vs.
)
PCB 74-101
ENVIRONIENTAL
PROTECTION
AGENCY,
Respondent.
OPINION AND
ORDER
OF
THE
BOARD
(by
Mr.
Seaman):
On Pbrch 20, 1974, Valoise S.
Fawcett filed a Petition For Variance.
Petitioner filed an Mended Petition on April
25,
1974.
Petitioner seeks relief from an Agency imposed limitation on further
sanitary sewer extension connections in an area tributary to the sewage
treatment
plant
owned
and
operated
by the Round Lake Sanitary District.
This
ban was imposed pursuant to Rule 921(a) of Chapter 3: Water Pollution
Regulations of Illinois (Chapter 3).
Petitioner seeks such relief in order
to obtain a sewer connection permit for a proposed 11-unit apartment building
to be constructed in Round Lake,
Illinois.
The
proposed
connection would
be
to
an
existing,
lateral sewer, tributary
to an 18—inch line, tributary to the 24-inch Bayview interceptor, tributary
to the District’s sewage treatment plant.
The
treatment plant
discharges
to
Squaw
Creek, which
provides
a
dilution
ratio of less than one—to-one.
Agency investigation has revealed that the
Round Lake Sanitary District is presently producing an effluent with 800
and suspended solids concentrations of less than 20 and 25 mg/l as currently
required by Rules 404
and
409 of Chapter 3.
The Agency believes that the
plant will be unable to meet the 4 and 5 mg/l requirements of Rule 404(f)
on Decenther 31, 1974, as required by Rule 409.
The Agency notes that the
plant is presently operating in apparent compliance with the requirements
of
Rule
405
of
chapter
3.
Even thou~there is an absence of apparent effluent violations, the
plant
is
subject
to
extreme hydraulic
overloading.
In
fact,
the
Agency
believes that
hydraulic
overload
may
enhance effluent quality
by dilution.
The
design
average
flow
of
the
plant is
calculated
to bel.6
MCD.
The
plant
consistently
receives
flows
in
excess of design
average.
Bypassing
to
the
plant’s
three—cell
lagoon
system
occurs
on
a
regular basis.
There
is
no
direct
bypass
to
Squaw
Creek.
The precise
amount of
flow
cannot
presently
be
determined
by
the
District or
the
Agency
because of
inadequate
metering
facilities
for
raw
sewage
intake.
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__________