• Office of Emergency Management
    1500 Marilla St.,
    L2AN
    Dallas, Texas 75201
    Phone: (214) 670-4275
    Fax: (214) 670-4677

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    ​​​Blackouts

    ​The biggest Blackout in U.S. history occurred on August 14, 2003, leaving roughly 50 million people without power. Blackouts can happen anywhere, and to anyone, so being prepared is important.

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