SUBTITLE C: WATER POLLUTION
CHAPTER I: POLLUTION CONTROL BOARD
PART 302 WATER QUALITY STANDARDS
SECTION 302.304 CHEMICAL CONSTITUENTS
Section 302.304 Chemical Constituents
The following levels of chemical constituents must not be exceeded:
|
|
CONCENTRATION |
|
CONSTITUENT |
(mg/L) |
|
|
|
|
Arsenic (total) |
0.05 |
|
Barium (total) |
1.0 |
|
Boron (total) |
1.0 |
|
Cadmium (total) |
0.010 |
|
Chloride (total) |
250 |
|
Chromium |
0.05 |
|
Fluoride (total) |
1.4 |
|
Iron (dissolved) |
0.3 |
|
Lead (total) |
0.05 |
|
Manganese (total) |
1.0 |
|
Nitrate-Nitrogen |
10 |
|
Oil (hexane-solubles or equivalent) |
0.1 |
|
|
|
|
Organics |
|
|
Pesticides |
|
|
Chlorinated Hydro- |
|
|
carbon Insecticides |
|
|
Aldrin |
0.001 |
|
Chlordane |
0.003 |
|
DDT |
0.05 |
|
Dieldrin |
0.001 |
|
Endrin |
0.0002 |
|
Heptachlor |
0.0001 |
|
Heptachlor Expoxide |
0.0001 |
|
Lindane |
0.004 |
|
Methoxychlor |
0.1 |
|
Toxaphene |
0.0005 |
|
Organophosphate |
|
|
Insecticides |
|
|
Parathion |
0.1 |
|
Chlorophenoxy Herbicides |
|
|
2,4-Dichlorophenoxy- |
|
|
acetic acid (2,4-D) |
0.1 |
|
2-(2,4,5-Trichloro- |
|
|
phenoxy)-propionic |
|
|
acid (2,4,5-TP |
|
|
or Silvex) |
0.01 |
|
Phenols |
0.001 |
|
Selenium (total) |
0.01 |
|
Sulfate |
250 |
|
Total Dissolved Solids |
500 |
(Source: Amended at 47 Ill. Reg. 4437, effective March 23, 2023)