70.119A.190  <<  70.119A.200 >>   70.119A.210

Measuring chlorine residuals.

*** CHANGE IN 2020 *** (SEE 2246-S.SL) ***
A group A water system serving fewer than one hundred connections that purchases water from a water system approved by the department shall measure chlorine residuals at the same time and location of collection for a routine and repeat coliform sample.
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