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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

Data title and descriptionAccess dataFile detailsLast updated

CSV

Download
CSV
02/07/25

Shapefile

DownloadZIP
02/07/25

GeoJSON

DownloadGEOJSON
02/07/25

KML

DownloadKML
02/07/25

Supporting files

Data title and descriptionAccess dataFile detailsLast updated

ArcGIS Hub Dataset

HTML
02/07/25

ArcGIS GeoService

ARCGIS GEOSERVICES REST API
02/07/25

API endpoint

Dataset Name

Use the query web API to retrieve data with a set of basic parameters. Copy the API endpoint you need to start.

Usage documentation