By State › Michigan

Michigan: Overview

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Everything in the main manual and the skill guides applies in Michigan exactly as written. What’s different here is the specific hazard profile and the state, local, and legal context around it. This page is the starting point; the other three pages under Michigan go deeper on laws, local resources, and the data behind the risks named here.

The Flint water crisis: when the water system itself is the hazard

In April 2014, the city of Flint switched its municipal water source from Detroit’s system to the Flint River as a cost-saving measure. The river water corroded aging lead pipes, and roughly 100,000 residents were exposed to elevated lead levels before the city switched back to Detroit water 18 months later. A concurrent Legionnaires’ disease outbreak, traced to the same water switch, killed at least 12 people. This is the second infrastructure-failure disaster covered on this site, after Ohio’s East Palestine derailment, and it’s the clearest illustration yet of why this manual treats water storage and testing as a real household priority, not a hypothetical one. See the Risks page for the full data.

The 2020 Midland dam failures: when aging infrastructure fails at once

On May 19, 2020, after days of heavy rain, the privately-owned Edenville Dam failed, and the sudden surge overwhelmed the downstream Sanford Dam within hours, both structures giving way on the same evening. Roughly 11,000 people evacuated with as little as 18 hours’ warning; officials estimate that decision saved 10 to 20 lives. No deaths resulted, a genuinely fortunate outcome given the scale of the failure, but the event is a stark example of how quickly a flood risk can escalate when the infrastructure holding water back gives out.

What this means for how you use the rest of this manual

The manual’s Tier structure and the skill guides apply without modification. What’s different in Michigan: household water storage and a working water filter or purification method matter here specifically because Michigan has already had a real, sustained municipal water failure, and anyone living downstream of an aging dam, and Michigan has hundreds of them built decades ago, should treat evacuation-readiness as a genuine, not theoretical, plan.

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