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Water Features (USGS NHD)

Unknown authhydrography

USGS National Hydrography Dataset for water feature setback analysis. Water features determine setback requirements and water sourcing for oil & gas operations. CRITICAL USAGE RULES: 1. No authentication required - free government API 2. Returns flowlines (streams/rivers) and waterbodies (lakes/ponds) 3. Use for setback distance calculations from water features 4. Coordinates are latitude/longitude in WGS84

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Provenance

PublisherWater Features (USGS NHD)

Freshness & coverage

FreshnessFreshness not declared
GeographicNot declared
TemporalNot declared
AuthenticationNo credentials required

Methods (4)

  • queryAtPoint

    read

    Query water features at a specific coordinate

    Required paramslatitudelongitude

  • queryInBbox

    read

    Query water features within a bounding box

    Required paramsxminyminxmaxymax

    Use featureTypes: "flowlines" or "waterbodies" to filter

  • getWatersGeoJSON

    read

    NHD surface waters (flowlines+waterbodies) in a bbox as GeoJSON — "waters of the state" (NHD half).

    Required paramsxminyminxmaxymax

    Pair with tceq.getClassifiedSegments for the TCEQ-regulated segments.

  • getServiceInfo

    read

    Get NHD service metadata and available layers