Reducing lead from distribution systems

Lead in Drinking Water Policy – Illinois


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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.
Lead in drinking water test results must be reported to local public health agenciesIllinois provides IDPH with the weekly alert report of individual results that are above action level exceedances.
Schools and childcare facilities are required to test for lead in drinking water*Illinois schools (kindergarten through 5th grade) and childcare facilities are required to test for lead in drinking water.
Action level is at or below 12 ppb*^Illinois does not have a more protective action level for lead in drinking water than the federal action level of 15 ppb.
Action level is at or below 5 ppb for schools and childcare facilities*^In Illinois, parents and guardians must be notified of test results from schools that are 5 ppb or higher.
Service line material inventory is required under state lawIllinois requires an initial inventory of all water distribution system materials to be submitted by April 15, 2023. Note – Section 17.11 of the Illinois Environmental Protection Act has had this requirement since 2018.
Partial lead service line replacement is prohibited*Illinois prohibits partial lead service line 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