Section R. 325.12304 - Emergency procedureRule 2304.
(1) When an emergency affecting a public water supply is discovered, the public water supply shall immediately notify the department by telephone of that emergency. The public water supply shall indicate in that notification the type of emergency, its discovery, the cause, the corrective actions planned to meet the emergency, and plans for notification to customers or users of the public water supply affected.(2) A public water supply shall, within 90 days after an emergency, file a written report with the department outlining in detail its discovery, the cause, the corrective actions taken by the public water supply to meet the emergency, and the procedures by which its customers or users were notified.The report shall outline in detail the area of the waterworks system affected by the emergency, its duration, and the ability of the public water supply to cope with the emergency by providing an adequate supply of safe drinking water.Mich. Admin. Code R. 325.12304