{
  "verified_utc": "2026-09-23T15:56:00.832187+00:00",
  "scope": "Five existing Homestake tributary intake sites plus Homestake Reservoir",
  "official_gauge_area_sqmi": 35.6,
  "official_gauge_source": "https://waterdata.usgs.gov/monitoring-location/USGS-09064000/",
  "goldpark_polygon_source": "https://api.water.usgs.gov/nldi/linked-data/nwissite/USGS-09064000/basin?f=json&simplified=false",
  "checks": [
    {
      "name": "HOMESTAKE PROJ CONDUIT-FRENCH CREEK",
      "wdid": "3701253",
      "inside_goldpark_nldi_polygon": true,
      "source_url": "https://dwr.state.co.us/Rest/GET/api/v2/structures?wdid=3701253&format=json",
      "source_retrieved_utc": "2026-09-23T04:59:03.751596+00:00"
    },
    {
      "name": "HOMESTAKE PROJ CONDUIT-FANCY CREEK",
      "wdid": "3701254",
      "inside_goldpark_nldi_polygon": true,
      "source_url": "https://dwr.state.co.us/Rest/GET/api/v2/structures?wdid=3701254&format=json",
      "source_retrieved_utc": "2026-09-23T04:59:03.567967+00:00"
    },
    {
      "name": "HOMESTAKE PROJ CONDUIT-MISSOURI CREEK",
      "wdid": "3701255",
      "inside_goldpark_nldi_polygon": true,
      "source_url": "https://dwr.state.co.us/Rest/GET/api/v2/structures?wdid=3701255&format=json",
      "source_retrieved_utc": "2026-09-23T04:59:03.623783+00:00"
    },
    {
      "name": "HOMESTAKE PROJ CONDUIT-SOPRIS CREEK",
      "wdid": "3701256",
      "inside_goldpark_nldi_polygon": true,
      "source_url": "https://dwr.state.co.us/Rest/GET/api/v2/structures?wdid=3701256&format=json",
      "source_retrieved_utc": "2026-09-23T04:59:03.664987+00:00"
    },
    {
      "name": "HOMESTAKE PROJ CONDUIT-EAST FORK",
      "wdid": "3704644",
      "inside_goldpark_nldi_polygon": true,
      "source_url": "https://dwr.state.co.us/Rest/GET/api/v2/structures?wdid=3704644&format=json",
      "source_retrieved_utc": "2026-09-23T04:59:03.713647+00:00"
    },
    {
      "name": "Homestake Reservoir",
      "wdid": null,
      "inside_goldpark_nldi_polygon": true,
      "source_url": "https://hydro.nationalmap.gov/arcgis/rest/services/nhd/MapServer/12/query?where=1%3D1&geometry=-106.52%2C39.30%2C-106.42%2C39.425&geometryType=esriGeometryEnvelope&inSR=4326&spatialRel=esriSpatialRelIntersects&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson",
      "source_retrieved_utc": "2026-09-23T06:21:51.717069+00:00"
    }
  ],
  "interpretation": "All existing collection sites and reservoir are upstream of Gold Park. Gauge discharge is combined observed flow after operations, including bypass, releases, and runoff never intercepted. It is neither natural flow nor individual-tributary runoff.",
  "geometry_limit": "USGS NLDI delineation snaps to a flowline unit; use the official 35.6 square mile station area, not the polygon area. Colored subbasins extend to junctions rather than intake sites. Dam is a point, not a surveyed crest. Collector routes are approximate city-map geometry.",
  "inputs": [
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      "path": "analysis_update/basin_runoff/raw/gold-gauge-basin.geojson",
      "sha256": "46c445a48d40090264adb5976a38ee22b815e166ee288040431baace8f611116"
    },
    {
      "path": "recovered/atlas/audit_collectors/collector-summary.csv",
      "sha256": "841253328c461718c0d470f6489848530d92234f40bdb594d43768bbd67ffb7e"
    },
    {
      "path": "recovered/atlas/basin_combined/build_map.py",
      "sha256": "c1afc02686fe04f73d2edcbac46e6e2f7d01d49bee6e89ac09fa08571210eccd"
    },
    {
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      "sha256": "5c91718ff4766f27eb3185afd9ffb18b831722eff48424c01e6ca309204021a0"
    },
    {
      "path": "recovered/atlas/basin_expansion_geo/french_confluence_basin.geojson",
      "sha256": "8e92b29e4044487fdb9cff40715af33bc83bf4eff869945b785f6eda2b91f933"
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    {
      "path": "recovered/atlas/basin_expansion_geo/missouri_confluence_total_basin.geojson",
      "sha256": "0595e14a812b89d7f1e0d55104193b40d082e87bb4f3b884c450aab07f613750"
    },
    {
      "path": "recovered/atlas/basin_expansion_geo/missouri_increment_basin.geojson",
      "sha256": "91a635c6ebe0475be698613432c6bda7e1f264715f300eb715b61e4266cf0611"
    },
    {
      "path": "recovered/atlas/basin_visual_geo/eastfork_confluence_basin.geojson",
      "sha256": "e99f51e4441eacfc1d3a1bed1b7968115d8fe8aca1b8b47acc543e0a57076abd"
    },
    {
      "path": "recovered/atlas/basin_visual_geo/gold_to_redcliff_reach.geojson",
      "sha256": "6c7685e015812ca34a81ceed958fde284cebc143b184f10ec466c29f8e524646"
    },
    {
      "path": "recovered/atlas/basin_visual_geo/reservoir_native_confluence_basin.geojson",
      "sha256": "2ac9ab231e9bfbe7966694591d9cc4f774fc42a9155e5157fd255015b40f265f"
    },
    {
      "path": "recovered/atlas/basin_visual_geo/retrieval.json",
      "sha256": "b7afe2b23d3ef98136d4b06320fc3a969a1fac9cbafa80505a50160fb6a94037"
    },
    {
      "path": "recovered/atlas/basin_visual_geo/sopris_confluence_basin.geojson",
      "sha256": "5a44d0088274e89b95ce552d8df4ba09c7a6e3a8e487efd323c4d4110f049ba5"
    },
    {
      "path": "recovered/atlas/current_sources/structure-index.json",
      "sha256": "9147a04472e88ffdc4f0690267dec0c933cc5fd53ae8ff8c7cb9743b19b49a13"
    },
    {
      "path": "recovered/atlas/infrastructure_geo/city_collector_routes_approx.geojson",
      "sha256": "a3f95bd444073078fd2cf5bf6689d5d1ce290d2f125882f1aec3bec7ea71c950"
    },
    {
      "path": "recovered/atlas/infrastructure_geo/diversion_sites.geojson",
      "sha256": "930fd1df3449b30b24e804e6c8f4fbef9d3d6fe96570c46fc7dd66ec449ec424"
    },
    {
      "path": "recovered/atlas/infrastructure_geo/infrastructure_features.geojson",
      "sha256": "48f0ba9bde5b0f44ff37b4772d59767109ca8a88f8afd8159a8236d4aedf85cc"
    },
    {
      "path": "recovered/atlas/infrastructure_geo/lakes_highres.geojson",
      "sha256": "d812d4ebf4d1b1b61282a686609b4c58fadc7bd16741fbb1d8d4de3edd1fa1b7"
    },
    {
      "path": "recovered/atlas/infrastructure_geo/redcliff_town_gage_comparison.json",
      "sha256": "e884672296f38b347460850359898da0ca654cda4628ea890439f8ee14f68abf"
    },
    {
      "path": "recovered/atlas/infrastructure_geo/tunnels_highres.geojson",
      "sha256": "d252cfe7ab924d793892cd25247305f8d5d220809c826af8b394794c53bc3145"
    },
    {
      "path": "recovered/atlas/packet/recovered/redcliff-basin.geojson",
      "sha256": "4b6628771405586d9fbc19994a24a7a903ef0e8c585b7189c3cb4cacf0968650"
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    {
      "path": "recovered/atlas/research_geo_sources/gauge_annual_stats.csv",
      "sha256": "000b880799dec618fd748c11e7b729645cca38bde10e219c9d3dfd1cb48ba0a9"
    },
    {
      "path": "recovered/atlas/research_geo_sources/mouth_basin.json",
      "sha256": "52eacab8da3f1bef0e06212089bc7c6ed2c12d2f32105134039ea76fb9bd653f"
    },
    {
      "path": "recovered/atlas/research_geo_sources/mouth_upstream.json",
      "sha256": "adad7e51cccf0e119fc8c27aebb29ca22630f88d51aa8796a0068c0fc9260ab0"
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  "map_sha256": "44c4a351d5704eac859c9a418b3995ef86dafa9d81e726d3fbeec619e39c410d"
}