ILLINOIS POLLUTION

CONTROL

BOARD

October 29,

1987

IN

THE

MATTER

OF:

JOINT

PETITION

OF THE

CITY

OF

)

PCB 85-218

BELLEVILLE

AND

THE

ILLINOIS

ENVIRONMENTAL

PROTECTION

AGENCY

FOR

EXCEPTION

TO THE COMBINED

SEWER OVERFLOW

REGULATIONS

ORDER

OF

THE BOARD

(BY J.D.

Dumelle):

The City of Belleville

is hereby granted

a variance from the

provisions

of

35

Iii. Adm. Code Sections 306.305(a)

and

(b),

Water Pollution,

Performance Criteria, Combined Sewers and

Treatment Bypasses,

as regards

first

flush,

subject to the

following:

1)

The City shall install

3 new interceptors

in

the

Richland Creek Basin

to intercept and transport first

flush volume from a one—year, one—hour storm

to the

proposed first flush holding basin this

shall

be done

as follows:

a)

Richiand Creek Relief Interceptor:

A new relief

interceptor will

be constructed.

It shall

parallel

the existing

24

in. diameter interceptor

from McKinley and Park Street

to the proposed

pumping station near Treatment Plant No.

1.

The

existing interceptor will also remain

in use.

b)

East Side Relief

Interceptor:

A second new relief

interceptor parallel

to the existing

24

in.

diameter

interceptor from McKinley and Park

streets

to the proposed pumping station near

Treatment Plant No.

1 shall be constructed.

The

existing interceptor will remain

in use.

c)

East Side Relief Interceptor:

A third relief

interceptor

shall

be

constructed.

It shall

intercept the combined sewer

overflow from site A—

1

and deliver

it

to the proposed pumping station

near Treatment Plant No.

1.

A 36

in. diameter

interceptor will parallel

the existing

21

in.

diameter

interceptor

from Portland and Mascoutah

Avenues,

then along,

Route

#13,

and then north

to

Treatment Plant No.

1

to Church Street,

then

finally,

south

to the proposed first flush pumping

station near Treatment Plant No.

1.

This

82—5 11

---

—2—

Interceptor

will

be designed to pick up overflow

from the worst overflow site

in the system,

A—l.

2)

The City shall

improve the existing north combined

sewer

interceptor by eliminating three bottlenecks;

3)

The City shall

construct

a

first

flush pumping

station,

headworks and holding basin;

4)

The City shall implement

a program of periodic street

cleaning, periodic sewer

flushing and periodic catch

basin cleaning.

Additionally,

reduction of excess flow

shall

be achieved via enforcement of

the City’s

ordinance preventing rainfall downspouts from draining

into the system.

5)

The City will implement the above regardless

of the

availability of governmental grants or other economic

aid.

6)

This grant exception does not preclude

the Agency from

exercising

its authority to require

as

a permit

condition

a CSO monitoring program sufficient

to assess

compliance with this exception, any other Board

regulations including Section 306.305(c),

or other

controls necessary for compliance with water quality

standards;

7)

This grant of exception

is not

to

be construed

as

affecting the enforceability of any provisions of this

exception,

other Board regulations

or

the Environmental

Protection Act.

IT

IS SO ORDERED.

Board

B.

Forcade dissented.

Board Member

J.

Marlin concurred.

I, Dorothy M. Gunn, Clerk of

the Illinois Pollution Control

Board,

hereby certify that the

above Order was adopted on

the

_______________

day of

~

,

1987 by

a vote

of

Dorothy

M’. Gunn,

Clerk

Illinois Pollution Control Board

82—512