Section R. 325.10735 - Vigilance of threats or hazards; notification to departmentRule 735.
(1) A public water supply shall maintain continued vigilance of activities posing threats or hazards of undue contamination to the source of water.(2) In the event of a threat of contamination of a public water supply source, the public water supply shall immediately notify the department.Mich. Admin. Code R. 325.10735