City Emergency Management Agency (CEMA)

The City of St. Louis Emergency Management Agency (CEMA), a division of the Department of Public Safety, maintains an ongoing program of prevention, mitigation, preparedness, response and recovery

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The City of St. Louis Department of Public Safety wants to hear from you on how we are doing and use what we learn to better serve you. Read more

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Multimedia

Avoid Injury During Tornado Cleanup (MU Extension)

Dense Urban Terrain Exercise - Day Three (July 17, 2024)

Dense Urban Terrain Exercise - Day Two (July 16, 2024)

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Services

Report a Problem with the Outdoor Warning Sirens Report a problem with the outdoor warning sirens during testing, or sirens not being heard at your location during a tornado warning. Service Page
Report Hazardous Chemical Inventory Information on submitting the Missouri Tier II form for hazardous chemicals and extremely hazardous substances to local organizations Service Page
Sign Up for Emergency Alerts via NotifySTL Receive alerts for severe weather, critical incidents, service disruptions, and evacuations of buildings or neighborhoods. Service Page

News and Announcements

Updates on the Sinkhole Near 1-44 and North Broadway Ahead of Monday Morning Commute
Significant road closures downtown may impact your commute. Plan for delays and alternate routes.
Press release | City Emergency Management Agency,Office of the Mayor,Department of Streets,Water Division,Department of Public Utilities,Metropolitan St. Louis Sewer District | 06/14/2026
City of St. Louis Responding to Sinkhole Near I-44/70 and North Broadway
There is no threat to public safety beyond the affected area.
Press release | City Emergency Management Agency,Water Division,Department of Public Safety,Office of the Mayor,Metropolitan St. Louis Sewer District,Department of Public Utilities,Department of Streets,Ameren Corporation, AmerenUE Division | 06/13/2026
City of St. Louis Strengthens Severe Weather Preparedness Following May 2025 Tornado
The City is entering this spring better prepared than it was one year ago, following investments, structural reforms and ongoing improvements.
Press release | Office of the Mayor,City Emergency Management Agency,Recovery Office | 04/02/2026