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Sewersheds and sewer service areas

Place a property within the published geography of wastewater collection. Sewershed boundaries connect site research to publicly owned treatment systems and expose whether the boundary was sourced or modeled.

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Data product
Utilities
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

System and facility identity
Source names and identifiers connect areas to the reported system.
Sewershed boundary
Published collection-area polygon retained as an area feature.
Boundary provenance
Sourced versus modeled status informs how the boundary should be interpreted.
Original report attributes
Available system details remain attached to their source record.

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Query Sewersheds and sewer service areas 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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