Toxic Release Inventory (TRI) Facilities

The Toxics Release Inventory (TRI) is a federal database that contains detailed information on nearly 650 chemicals and chemical categories that over 1,600 industrial and other facilities in the state manage through disposal or other releases, recycling, energy recovery, or treatment. The data are collected from these facilities by the U.S. Environmental Protection Agency. This dataset is updated nightly from the CalEPA Regulated Site Portal. More information regarding this dataset can be found here.CalEPA Regulated Site Portal

Data files

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CSV


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CSV
07/29/25

Shapefile


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ZIP
07/29/25

GeoJSON


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GEOJSON
07/29/25

KML


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KML
07/29/25

Supporting files

Data title and descriptionAccess dataFile detailsLast updated

ArcGIS Hub Dataset


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HTML
07/29/25

ArcGIS GeoService


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ARCGIS GEOSERVICES REST API
07/29/25