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County dataEnvironment
Hazardous Materials Facility Data
Published by Environmental Health · Updated 11/18/2025
- Last updated
- 11/18/2025
- First published 01/25/2018
- Update frequency
- Not listed
- Formats
- 4
- CSV, JSON, GeoJSON
- Coverage
- San Diego County, California
- County in California
About this dataset
This table provides the most frequently used and requested data associated with permitted Unified Program facilities that contain hazardous materials. This is not a full dataset. For a description of this data, see Facility data description. https://www.sandiegocounty.gov/content/dam/sdc/deh/waste/pdf/hmd/deh_hmd_facility_datadesc_civicdata.pdf
Files and access
Links open the official government source
- CSV downloaddata.sandiegocounty.govCSV
- JSON (SODA API)data.sandiegocounty.govJSON
- GeoJSONdata.sandiegocounty.govGeoJSON
- XMLdata.sandiegocounty.govXML
API endpoint: https://data.sandiegocounty.gov/resource/hwni-tapa.json
Links open outside websites we do not control.
Details
- Publisher
- San Diego County, California
- Department
- Environmental Health
- Listed on
- San Diego County Open Data
- Platform
- Socrata open data portal
- State
- California
- License
- Public domain
- Views
- 1,496
- Keywords
- permit, hazard
More from San Diego County, California
- Hazardous Materials Facility DataEnvironmental Health & QualityThis table provides the most frequently used and requested data associated with permitted Unified Program facilities that contain hazardous materials. This is not a full dataset. For a description of this data, see Facility data description. https://www.sandieCSVJSONXMLUpdated 10/27/2026
- Hazardous Waste and MaterialsEnvironmental Health & QualityThis table provides the most frequently used and requested data associated with permitted Unified Program hazardous waste and inventory. This is not a full dataset. For a description of this data, see [Hazardous Waste and Materials data description.] (http://wCSVJSONXMLUpdated 10/21/2026
- Hazardous Waste and MaterialsEnvironmental HealthCSVJSONXMLUpdated 11/18/2025
- Hazardous Materials Underground Storage Tank DataEnvironmental Health & QualityThis table provides the most frequently used and requested data associated with permitted Unified Program underground storage tanks. This is not a full dataset. https://www.sandiegocounty.gov/content/dam/sdc/deh/waste/pdf/hmd/deh_hmd_ust_datadesc_civicdata.pdfCSVJSONXMLUpdated 10/27/2026
- Hazardous Materials Inspection ViolationsEnvironmental Health & QualityThis table provides the most frequently used and requested data associated with permitted Unified Program inspections and violations. This is not a full dataset. For a description of this data, see [Inspection and Violation data description.] (http://www.sandiCSVJSONXMLUpdated 10/27/2026
- Hazardous Materials Inspection ViolationsEnvironmental HealthCSVJSONXMLUpdated 11/18/2025
- Hazardous Materials Underground Storage TanksEnvironmental HealthThis table provides the most frequently used and requested data associated with permitted Unified Program underground storage tanks. This is not a full dataset. https://www.sandiegocounty.gov/content/dam/sdc/deh/waste/pdf/hmd/deh_hmd_ust_datadesc_civicdata.pdfCSVJSONXMLUpdated 11/18/2025
- Building PermitsPlanning & Development ServicesBuilding permits in San Diego County, CA issued by Planning and Development Services since 2005 (updated daily)CSVJSONGeoJSONXMLUpdated 08/28/2024
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Frequently asked questions
- Who publishes Hazardous Materials Facility Data?
- Environmental Health, part of San Diego County, California, publishes this dataset on San Diego County Open Data.
- How often is it updated?
- The publisher does not list a schedule. The last update was on 11/18/2025.
- How do I download it?
- It is available as CSV, JSON, GeoJSON, XML. Use the links in Files and access, which open the official government source.
Source: San Diego County Open Data · Last updated 10/27/2026 · Listing only; the data stays with the publisher