Rule 3745-82-02 | Secondary maximum contaminant levels.

• Effective: September 13, 1993
• Promulgated Under: Ch 119.

The secondary maximum contaminant levels for public water systems are as follows

Contaminant	Level
Aluminum*. . . . . . . . . . . . . . . . .	0.05 to 0.2 mg/L
Chloride . . . . . . . . . . . . . . . . . . . . .	250 mg/L
Color . . . . . . . . . . . . . . . . . . . . . .	15 color units
Corrosivity . . . . . . . . . . . . . . . . . . .	non-corrosive
Fluoride . . . . . . . . . . . . . . . . . . . . .	2.0 mg/L
Foaming Agents . . . . . . . . . . . . . . . . . .	0.5 mg/L
Iron . . . . . . . . . . . . . . . . . . . . . . .	0.3 mg/L
Manganese . . . . . . . . . . . . . . . . . . . .	0.05 mg/L
Odor . . . . . . . . . . . . . . . . . . . . . . .	3 threshold odor number
pH . . . . . . . . . . . . . . . . . . . . . . . .	7.0 - 10.5
Silver . . . . . . . . . . . . . . . . . . . . . .	0.1 mg/L
Sulfate . . . . . . . . . . . . . . . . . . . . .	250 mg/L
Total dissolved solids (TDS) . . . . . . . . . . .	500 mg/L
Zinc . . . . . . . . . . . . . . . . . . . . . . .	5 mg/L

^*The secondary maximum contaminant level for aluminum is a range, with the precise level applicable to each public water system to be determined by the director.

Supplemental Information

Authorized By: –
Amplifies: –
Five Year Review Date:
Prior Effective Dates: 11/26/1980, 3/1/1988