Checked
City dataEnvironment
Maher
Published by City and County of San Francisco · Updated 10/29/2026 · Weekly
- Last updated
- 10/29/2026
- First published 10/29/2026
- Update frequency
- Weekly
- Formats
- 4
- CSV, JSON, GeoJSON
- Coverage
- San Francisco
- City in California
About this dataset
Development projects that are located on sites with known or suspected soil and/or groundwater contamination are subject to the provisions of Health Code Article 22A, which is administered by the Department of Public Health (DPH). This layer shows these areas.
Files and access
Links open the official government source
- CSV downloaddata.sf.govCSV
- JSON (SODA API)data.sf.govJSON
- GeoJSONdata.sf.govGeoJSON
- XMLdata.sf.govXML
API endpoint: https://data.sf.gov/resource/v5ic-hjgw.json
Links open outside websites we do not control.
Frequently asked questions
- Who publishes Maher?
- City and County of San Francisco publishes this dataset on DataSF.
- How often is it updated?
- The publisher lists the update frequency as weekly. The last update was on 10/29/2026.
- 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.
Where this catalog comes from
- Data.gov CatalogU.S. General Services Administration
- State and local open data portalsSocrata Discovery API
- State and city CKAN portalsCalifornia, Virginia, Boston, Houston and more
- Government ArcGIS Hub sitesCity and county GIS data
Catalog checked 10/29/2026
We list dataset descriptions only. Downloads and APIs link straight to the official government source, which holds the current version and its terms of use.
Source: DataSF and Data.gov · Last updated 10/29/2026 · Listing only; the data stays with the publisher
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