Reducing lead from distribution systems

Lead in Drinking Water Policy – Michigan


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Program ComponentStatus
Action level exceedances must be reported to consumersUnder the federal Lead and Copper Rule, the results of lead testing must be reported to the people who receive water from the sampling location within 30 days of receiving the results, and public notification and education is required if lead concentrations exceed the action level in more than 10 percent of taps sampled.
Testing results must be reported to local public health agenciesMichigan does not require lead in drinking water tests to be reported to public health agencies.
Schools and childcare facilities are required to test for lead*Michigan has funding available for schools and childcare facilities to test for lead in drinking water, but does not require lead testing in these facilities.
Action level is at or below 12 ppb*^Michigan established an action level for lead of 12 ppb, which goes into effect on January 1, 2025.
Action level is at or below 5 ppb for schools and childcare facilities*^Michigan does not have a more protective action level for lead in schools and childcare facilities than the state action level of 12 ppb.
Service line material inventory is requiredPreliminary water distribution system material inventories were due by January 1, 2020 in Michigan, although suppliers are not required to submit their full inventories until January 1, 2025.
Partial lead service line replacement is prohibited*Michigan prohibits partial lead service line reporting and replacement, barring exceptions for emergency situations.

Program components are marked with an asterisk ( * ) if the GLLC model policy goes beyond what is required by the LCRR, and marked with a caret (^) to denote LCRI-derived components.


Jurisdiction implements this program component
Jurisdiction does not implement this program component
Jurisdiction partially implements this program component