Great Lakes Illinois is essentially a company town surrounding Naval Station Great Lakes — the US Navy's primary enlisted training center and one of the largest naval installations in the country. The station processes virtually all Navy enlisted recruits and hosts significant medical and logistics facilities. Lake County's position on Lake Michigan creates flooding risk during major storms. The concentration of new Navy recruits makes Naval Station Great Lakes a unique mass casualty planning consideration.
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// Risk Intelligence
| Threat Score | 8 / 10 High |
| Primary Hazard | Naval Station / Military Training / Great Lakes |
| FEMA Flood Zone | Moderate |
| County FEMA Declarations | 6 |
| Last Major Event | 2017 Flooding |
// Emergency Information
| Emergency Phone | 847-688-3500 |
| Evacuation Routes | I-94 US-41 IL-53 IL-21 |
| Elevation | 630 ft above sea level |
// County Risk Profile
Lake County IL
Illinois · Tornado / Lake Michigan Storm
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5/10
Moderate Risk