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Facilities from the California Environmental Reporting System (CERS)

The California Environmental Reporting System was developed by CalEPA to support the reporting of information by regulated businesses and Certified Unified Program Agencies (CUPAs) pertaining to hazardous materials and hazardous waste throughout the state. This dataset is updated nightly from the CalEPA Regulated Site Portal. More information regarding this dataset can be found here.CalEPA Regulated Site PortalUpdated 10/4/2023.

Data files

Data title and descriptionAccess dataFile detailsLast updated

CSV

Download
CSV
07/29/25

Shapefile

DownloadZIP
07/29/25

GeoJSON

DownloadGEOJSON
07/29/25

KML

DownloadKML
07/29/25

File Geodatabase

DownloadZIP
07/29/25

Feature Collection

DownloadTXT
07/29/25

Supporting files

Data title and descriptionAccess dataFile detailsLast updated

ArcGIS Hub Dataset

HTML
07/29/25

ArcGIS GeoService

ARCGIS GEOSERVICES REST API
07/29/25

Excel

XLSX
07/29/25

GeoPackage

GPKG
07/29/25

SQLite Geodatabase

GDB
07/29/25

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