ILLINOIS POLLUTION CONTROL BOARD

November

30,

1978

IN THE MATTER OF:

AMENDMENTS TO THE

)

R77-13

PUBLIC WATER SUPPLY

REGULATIONS.

PROPOSED ORDER OF THE BOARD

(by Mr. Dumelle):

1)

Rule 105 of Chapter

6:

Public Water Supplies

is hereby

amended

to read

as follows:

“Analytical Testing

To determine compliance with these rules and regulations,

all samp~iingand physical, chemical,

bacteriological,

and

microscopic analyses shall

be made according to the methods

described

in the National Primary Drinking Water Regulations

or any other method specifically approved by the Agency and

the United States Environmental Protection Agency.

All

analyses for substances other than those listed in these

rules and regulations must be performed by methods acceptable

to the Agency.

2)

The definition of “Standards”

in Rule 104 of Chapter

6:

Public

Water Supplies

is hereby amended to read as follows:

“‘Standards’ means the ‘Recommended Standards

for Water Works,’

1976 edition, as adopted by the Great Lakes

—

Upper Mississippi

River Board of State Sanitary Engineers

(commonly referred to

as the Ten-States Standards)

.“

3)

Table

I of Rule 304 of Chapter

6:

Public Water Supplies

is

hereby amended to read as follows:

32-~22.5

---

—2—

“TABLE

I

-

MAXIMUM ALLOWABLE CONCENTRATIONS

-

Finished Water Quality

Substance

Reported

Maximum

As

Concentration

mg/i

1.

0.010

0.05

5.

0.2

1.8

(c)

1.0

(a)

0.05

0.15

(a)

0.002

10.

(b)

0.001

0.003

0.05

0.001

0.0002

0.0001

0.0001

0.004

0.1

0.005

0.1

0.01

0.01

0.05

1.0

(d)

5.

As

0.05

Arsenic

Barium

Ba

Cadmium

Cd

Chromium

Cr

Copper

Cu

Cyanide

CN

Fluoride

F

Iron

Fe

Lead

Pb

Manganese

Mn

Mercury

Hg

Nitrate-Nitrogen

N

Organics

Pesticides

Chlorinated Hydrocarbon Insec-

ticides

Aldrin

Chlordane

DDT

Dieldrin

Endrin

Heptachlor

Heptachior Epoxide

Lindane

Methoxychlor

Toxaphene

Chiorophenoxy Herbicides

2,4-Dichiorophenoxyacetic

acid

(2,4—D)

2

,

4

,

5—Trichiorophenoxyproprionic

acid

(2,4,5—TP or Silvex)

Selenium

Se

Silver

Ag

Turbidity

NTU

Zinc

Zn

:32—226

---

—3—

4)

Note

a

of Table

I of Rule

304 of Chapter

6:

Public Water

Supplies

is hereby amended to read as follows:

“All noncommunity water supplies and those community water

supplies which provide an average of 10,000 gallons

of water

per day or less shall be exempt from the standards

for iron

and manganese.

All other water supplies shall comply with

these standards by July

1,

1981.

Iron

in excess of 1.0 mg/i

and manganese

in excess of 0.15 mg/i may be allowed at the

discretion of the Agency if sequestration tried on an exper-

imental basis proves to be effective.

If

sequestering

is

not effective, positive iron or manganese reduction treatment

as applicable must be provided.

No experimental use of a

sequestering agent may be tried without previous Agency

approva 1.

5.

Comment

on these proposed revisions

shall be accepted for a

period

of

45 days from the date of this Order.

IT

IS SO ORDERED.

I,

Christan

L. Moffett, Clerk of the Illinois Pollution

Control Board,

hereby certify the above Order was adopted on

the

~&~‘

day of

~-Jj.t~t~

,

1978 by a vote

of

____________________

(1

Illinois Pollut

Control Board

32—227