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HazMat and CUPA Public Records

Permit Sonoma Fire Prevention

An important responsibility our Unit has as the Certified Unified Program Agency (CUPA) is sharing responsibility with the public on facilities within their community that handle hazardous materials under the California Public Records Act (PRA).

HazMat CUPA Facility Information Search

Many facility records are available electronically, and you may search our HazMat CUPA Public Access Viewer to search our database.

Search by permit number, site facility, address, etc.:
Public Access Viewer

Public Records Act (PRA) Request
If the information you are interested in is not available or you need more information than is available via the HazMat CUPA Public Access Viewer, please submit a Public Records Act (PRA) Request.

Other Resources for Information

Sonoma County Environmental Health

California Environmental Reporting System (CERS)

Information submitted to the California Environmental Reporting System has a public portal.

Department of Toxic Substances Control (DTSC)

California State Water Control Board