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USGS Water APIs

Modernized API access to the USGS Water Resources Mission Area's hydro-network linked navigation services, processing functionality, and spatio-temporal data.

Questions? Contact us: [email protected]

  • The Hydro-Network Linked Data Index

    Network Navigation and Linked Data Discovery

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    The Hydro Network Linked Data Index (NLDI) puts a restful application programming interface (API) in front of the National Hydrolography dataset. Now, instead of needing to be a GIS professional, any web developer can build tools against the core data in the NHD in a scalable, workable way.

  • pygeoapi

    National Hydrologic Geospatial Fabric spatial layers

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    This instance of pygeoapi hosts data from the NHDPlusV2 and Watershed Boundary Dataset. pygeoapi is a Python server implementation of the OGC API suite of standards which provides the capability to deploy a RESTful OGC API endpoint using OpenAPI, GeoJSON, and HTML.

  • pygeoapi

    Geo Data Portal SpatioTemporal Asset Catalog and Processing.

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    This instance of pygeoapi supports a spatio temporal asset catalog and related geoprocessing services. pygeoapi is a Python server implementation of the OGC API suite of standards which provides the capability to deploy a RESTful OGC API endpoint using OpenAPI, GeoJSON, and HTML.

  • pygeoapi

    Network Linked Data Index processes

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    This instance of pygeoapi hosts processing capabilities related to the Network Linked Data Index. pygeoapi is a Python server implementation of the OGC API suite of standards which provides the capability to deploy a RESTful OGC API endpoint using OpenAPI, GeoJSON, and HTML.

  • National Water Availability Assessment Data Companion

    Comprehensive user documentation for the NWDC API

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    Web services that provide access to national-scale USGS modeled water availability data.

Developer Documentation

Guides and reference material for integrating with NHGF APIs.