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Water Supply Systems - Impurity Limits

Typiclal limits for impurities in drinking water.

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Typical limits for impurities in water supply systems:

Drinking Water Supply Systems - Impurity Limits
Color 20
Copper 3.0
Fluoride 1.0
Hardness, Ca and Mg salts 100
Lead 0.1
Magnesium 125
Iron plus manganese 0.3
Solids 500
Turbidity 10

Turbidity is is an optical characteristic and a the measure of the relative clarity of a liquid. It is a measurement of the amount of light that is scattered by material in the water when a light is shined through it. High intensity of scattered light equals to high turbidity.

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