Reducing lead from distribution systems



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Jurisdiction implements this program component

 Jurisdiction does not implement this program component

 Jurisdiction partially implements this program component

Program Component



Action level exceedances must be reported to consumers

Ontario does not require public notification in the event of an action level exceedance of lead in drinking water.

Testing results must be reported to local public health agencies

In Ontario, any adverse water quality incidents, including those related to lead in drinking water, must be reported to the local medical officer of health.

Schools and childcare facilities are required to test for lead*

Ontario schools and childcare facilities are required to test drinking water for lead.

Action level is at or below 12 ppb*^

Ontario established an action level for lead of 10 ppb.

Action level is at or below 5 ppb for schools and childcare facilities

Ontario does not have a more protective action level than its provincial action level of 10 ppb for lead in schools and childcare facilities.

Service line material inventory is required

Ontario does not require a drinking water distribution system material inventory, although all owners and operators of drinking water systems must test for lead.

Partial lead service line replacement is prohibited*

Ontario does not prohibit partial lead service line reporting or replacement.