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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
05/17/25

Shapefile

DownloadZIP
05/17/25

GeoJSON

DownloadGEOJSON
05/17/25

KML

DownloadKML
05/17/25

File Geodatabase

DownloadZIP
05/17/25

Feature Collection

DownloadTXT
05/17/25

Supporting files

Data title and descriptionAccess dataFile detailsLast updated

ArcGIS Hub Dataset

HTML
05/17/25

ArcGIS GeoService

ARCGIS GEOSERVICES REST API
05/17/25

Excel

XLSX
05/17/25

GeoPackage

GPKG
05/17/25

SQLite Geodatabase

GDB
05/17/25

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