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Superfund site boundaries

Look beyond a cleanup-site point to inspect published environmental boundaries. The source's feature type helps distinguish facility boundaries from contamination-related or other mapped extents.

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Data product
Environment
Access
Included in every plan through the API, the MCP server and the plugins.
Time structure
Reference snapshot
History available
Published inventory or reporting period; see coverage for the source dates.
Observation frequency
Varies by underlying publication.
Reporting lag
Reporting lag varies by source.
Inventory checked
2026-09-23. Coverage dates describe this checked inventory.

What's in this dataset

Site identity
Site name and source identifiers.
Extent type
Reported feature classification explains what the polygon represents.
Program and status
Available source program and site-status attributes.
Boundary geometry
Published areas retained separately when a site has multiple features.

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Query Superfund site boundaries through Korzy

Every plan includes this dataset through the API and MCP server, and in Claude and ChatGPT through our plugins. The field catalog is free, so you can see what each request returns and costs before you spend credits.

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