OpenFEMA data as of Oct 29, 2026 5,286 declarations · 3,266 counties · 59 states & territories Advertise
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2 declarations · 0 major disasters

Chemical incidents

Federal declarations whose incident type is “Chemical”, newest first.

By decade

12010s
12020s

By state

  1. California1
  2. West Virginia1
DeclaredNumberTitleHazardStateAreasProgramsFederal aid
May 25, 2026 EM-3646-CA Chemical Release Chemical CA1PA —
Jan 10, 2014 EM-3366-WV Chemical Spill Chemical WV9PA $1.6 million