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This website publishes administrative rules on their effective dates, as designated by the adopting state agencies, colleges, and universities.

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

 

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