{ "type":"Feature", "geometry":{ "type":"Point", "coordinates":[ -118.9760961, 48.03351724 ] }, "properties":{ "_id":7214, "locationParentId":null, "locationName":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW)", "locationDescription":"The Columbia River below Grand Coulee Dam near Coulee Dam, Washington is located in northeastern Washington. This location is a Hydromet monitoring station. Columbia Basin Teletype (CBTT) = GCGW.", "locationStatusId":1, "elevation":966.732326, "createDate":"2025-04-01T20:27:51+00:00", "updateDate":null, "horizontalDatum":{ "_id":"WGS84", "definition":"World Geodetic System of 1984" }, "timezone":"PT", "verticalDatum":{ "_id":"NAVD88", "definition":"North American Vertical Datum of 1988" }, "locationTags":[ { "id":377, "tag":"Columbia-Pacific Northwest Region", "createDate":"2021-09-14T20:56:20+00:00" } ], "relatedLocationIds":[ 3659 ], "projectNames":[], "locationTypeName":"River/Stream", "timezoneName":"Pacific Standard Time", "timezoneOffset":-8.0, "locationRegionNames":[ "Pacific Northwest" ], "locationUnifiedRegionNames":[ "Columbia-Pacific Northwest" ], "catalogItems":[ { "id":"/rise/api/catalog-record/8257", "attributes":{ "_id":8257, "recordTitle":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) Water Operations Monitoring Data from Columbia-Pacific Northwest Water Operations Monitoring", "recordDescription":"Columbia-Pacific Northwest Water Operations Monitoring Data for Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW).", "catalogStatusId":1, "metadataFilePath":null, "metadataStandard":null, "createDate":"2025-09-30T13:29:36+00:00", "updateDate":null, "programNames":[], "generationEffort":"Columbia-Pacific Northwest Water Operations Monitoring", "generationEffortId":465, "subTheme":{ "_id":1, "subTheme":"Water Operations Monitoring", "definition":"Relating to the monitoring of water operations, typically by measuring physical characteristics", "createDate":"2018-11-14T14:34:04+00:00" }, "tags":[ "Inland Waters", "Water Resources Management" ], "themes":[ "Water" ] }, "type":"CatalogRecord", "relationships":{ "location":{ "data":[ { "id":"/rise/api/location/7214", "type":"Location" } ] }, "catalogItems":{ "data":[ { "id":"/rise/api/catalog-item/130634", "type":"CatalogItem" }, { "id":"/rise/api/catalog-item/130635", "type":"CatalogItem" }, { "id":"/rise/api/catalog-item/130636", "type":"CatalogItem" }, { "id":"/rise/api/catalog-item/130637", "type":"CatalogItem" }, { "id":"/rise/api/catalog-item/130638", "type":"CatalogItem" }, { "id":"/rise/api/catalog-item/130639", "type":"CatalogItem" } ] } } }, { "id":"/rise/api/catalog-item/130634", "attributes":{ "_id":130634, "itemTitle":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) Daily Average Barometric Pressure (Sea Level) Time Series Data", "itemDescription":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) average daily barometric pressure at sea level in millimeters of mercury (mmHg).", "itemRecordStatusId":1, "isModeled":false, "hasProfile":false, "disclaimer":"Data are provisional and subject to revision unless otherwise noted. Data users are cautioned to consider carefully the provisional nature of the information before using it.", "sourceCode":"CPNHydromet", "locationSourceCode":"gcgw", "externalDataUrl":null, "parameterSourceCode":"bhDaily", "modelNameSourceCode":null, "temporalStartDate":"1984-04-27T19:00:00+00:00", "temporalEndDate":"2026-08-25T07:00:00+00:00", "spatialShortDescription":null, "publicationAuthor":null, "publicationEditor":null, "publicationPublisher":null, "publicationPublisherLocation":null, "publicationFirstPublicationDate":null, "publicationPeriodicalName":null, "publicationSerialNumber":null, "publicationDoi":null, "publicationVolume":null, "publicationIssue":null, "publicationSection":null, "publicationStartPage":null, "publicationEndPage":null, "createDate":"2025-10-02T00:00:00+00:00", "itemType":{ "_id":"DATA", "definition":"Data file", "createDate":"2018-11-28T14:19:59+00:00" }, "matrix":{ "_id":64, "matrix":"Atmosphere", "definition":"The layer of gas mixture that surrounds the Earth's planetary surface.", "createDate":"2024-08-16T08:03:23+00:00" }, "spatialGeometry":null, "spatialResolution":null, "spatialTransformation":null, "spatialOpenDataURL":null, "metadataFilePath":null, "binaryFilePath":null, "updateFrequency":{ "_id":3, "updatefrequency":"daily", "definition":"resource is updated each day", "createDate":"2018-11-14T15:17:58+00:00" }, "updateDate":"2026-08-26T10:23:37+00:00", "verticalDatum":null, "dataStructure":"Time series", "itemStructureId":1, "parameterGroup":"Weather Data", "parameterId":1741, "parameterName":"Barometric Pressure (Sea Level)", "parameterUnit":"mm Hg", "parameterTimestep":"daily", "parameterTransformation":"average" }, "type":"CatalogItem", "relationships":{ "catalogRecord":{ "data":[ { "id":"/rise/api/catalog-record/8257", "type":"CatalogRecord" } ] }, "parameter":{ "data":[ { "id":"/rise/api/parameter/1741", "type":"Parameter" } ] } } }, { "id":"/rise/api/catalog-item/130635", "attributes":{ "_id":130635, "itemTitle":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) Daily Instant Total Dissolved Gas (TDG) Time Series Data", "itemDescription":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) instant daily total dissolved gas in millimeters of mercury (mmHg). Total dissolved gas refers to the total amount of dissolved gas in water.", "itemRecordStatusId":1, "isModeled":false, "hasProfile":false, "disclaimer":"Data are provisional and subject to revision unless otherwise noted. Data users are cautioned to consider carefully the provisional nature of the information before using it.", "sourceCode":"CPNHydromet", "locationSourceCode":"gcgw", "externalDataUrl":null, "parameterSourceCode":"ntDaily", "modelNameSourceCode":null, "temporalStartDate":"1984-04-27T19:00:00+00:00", "temporalEndDate":"2026-08-25T07:00:00+00:00", "spatialShortDescription":null, "publicationAuthor":null, "publicationEditor":null, "publicationPublisher":null, "publicationPublisherLocation":null, "publicationFirstPublicationDate":null, "publicationPeriodicalName":null, "publicationSerialNumber":null, "publicationDoi":null, "publicationVolume":null, "publicationIssue":null, "publicationSection":null, "publicationStartPage":null, "publicationEndPage":null, "createDate":"2025-10-02T00:00:00+00:00", "itemType":{ "_id":"DATA", "definition":"Data file", "createDate":"2018-11-28T14:19:59+00:00" }, "matrix":{ "_id":16, "matrix":"Surface Water", "definition":"Untreated water that is present on the land surface, within natural or man-made catchments, channels, or pipes.", "createDate":"2018-11-20T09:34:56+00:00" }, "spatialGeometry":null, "spatialResolution":null, "spatialTransformation":null, "spatialOpenDataURL":null, "metadataFilePath":null, "binaryFilePath":null, "updateFrequency":{ "_id":3, "updatefrequency":"daily", "definition":"resource is updated each day", "createDate":"2018-11-14T15:17:58+00:00" }, "updateDate":"2026-08-26T10:23:33+00:00", "verticalDatum":null, "dataStructure":"Time series", "itemStructureId":1, "parameterGroup":"Inorganic Analytes", "parameterId":1808, "parameterName":"Total Dissolved Gas (TDG)", "parameterUnit":"mm Hg", "parameterTimestep":"daily", "parameterTransformation":"instant" }, "type":"CatalogItem", "relationships":{ "catalogRecord":{ "data":[ { "id":"/rise/api/catalog-record/8257", "type":"CatalogRecord" } ] }, "parameter":{ "data":[ { "id":"/rise/api/parameter/1808", "type":"Parameter" } ] } } }, { "id":"/rise/api/catalog-item/130636", "attributes":{ "_id":130636, "itemTitle":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) Daily Maximum Water Temperature Time Series Data", "itemDescription":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) maximum daily water temperature in degrees Celsius (C).", "itemRecordStatusId":1, "isModeled":false, "hasProfile":false, "disclaimer":"Data are provisional and subject to revision unless otherwise noted. Data users are cautioned to consider carefully the provisional nature of the information before using it.", "sourceCode":"CPNHydromet", "locationSourceCode":"gcgw", "externalDataUrl":null, "parameterSourceCode":"wmDaily", "modelNameSourceCode":null, "temporalStartDate":"1984-04-27T19:00:00+00:00", "temporalEndDate":"2026-08-25T07:00:00+00:00", "spatialShortDescription":null, "publicationAuthor":null, "publicationEditor":null, "publicationPublisher":null, "publicationPublisherLocation":null, "publicationFirstPublicationDate":null, "publicationPeriodicalName":null, "publicationSerialNumber":null, "publicationDoi":null, "publicationVolume":null, "publicationIssue":null, "publicationSection":null, "publicationStartPage":null, "publicationEndPage":null, "createDate":"2025-10-02T00:00:00+00:00", "itemType":{ "_id":"DATA", "definition":"Data file", "createDate":"2018-11-28T14:19:59+00:00" }, "matrix":{ "_id":16, "matrix":"Surface Water", "definition":"Untreated water that is present on the land surface, within natural or man-made catchments, channels, or pipes.", "createDate":"2018-11-20T09:34:56+00:00" }, "spatialGeometry":null, "spatialResolution":null, "spatialTransformation":null, "spatialOpenDataURL":null, "metadataFilePath":null, "binaryFilePath":null, "updateFrequency":{ "_id":3, "updatefrequency":"daily", "definition":"resource is updated each day", "createDate":"2018-11-14T15:17:58+00:00" }, "updateDate":"2026-08-26T10:17:13+00:00", "verticalDatum":null, "dataStructure":"Time series", "itemStructureId":1, "parameterGroup":"Water Temperature", "parameterId":1774, "parameterName":"Water Temperature", "parameterUnit":"DegC", "parameterTimestep":"daily", "parameterTransformation":"maximum" }, "type":"CatalogItem", "relationships":{ "catalogRecord":{ "data":[ { "id":"/rise/api/catalog-record/8257", "type":"CatalogRecord" } ] }, "parameter":{ "data":[ { "id":"/rise/api/parameter/1774", "type":"Parameter" } ] } } }, { "id":"/rise/api/catalog-item/130637", "attributes":{ "_id":130637, "itemTitle":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) Daily Minimum Water Temperature Time Series Data", "itemDescription":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) minimum daily water temperature in degrees Celsius (C).", "itemRecordStatusId":1, "isModeled":false, "hasProfile":false, "disclaimer":"Data are provisional and subject to revision unless otherwise noted. Data users are cautioned to consider carefully the provisional nature of the information before using it.", "sourceCode":"CPNHydromet", "locationSourceCode":"gcgw", "externalDataUrl":null, "parameterSourceCode":"wnDaily", "modelNameSourceCode":null, "temporalStartDate":"1984-04-27T19:00:00+00:00", "temporalEndDate":"2026-08-25T07:00:00+00:00", "spatialShortDescription":null, "publicationAuthor":null, "publicationEditor":null, "publicationPublisher":null, "publicationPublisherLocation":null, "publicationFirstPublicationDate":null, "publicationPeriodicalName":null, "publicationSerialNumber":null, "publicationDoi":null, "publicationVolume":null, "publicationIssue":null, "publicationSection":null, "publicationStartPage":null, "publicationEndPage":null, "createDate":"2025-10-02T00:00:00+00:00", "itemType":{ "_id":"DATA", "definition":"Data file", "createDate":"2018-11-28T14:19:59+00:00" }, "matrix":{ "_id":16, "matrix":"Surface Water", "definition":"Untreated water that is present on the land surface, within natural or man-made catchments, channels, or pipes.", "createDate":"2018-11-20T09:34:56+00:00" }, "spatialGeometry":null, "spatialResolution":null, "spatialTransformation":null, "spatialOpenDataURL":null, "metadataFilePath":null, "binaryFilePath":null, "updateFrequency":{ "_id":3, "updatefrequency":"daily", "definition":"resource is updated each day", "createDate":"2018-11-14T15:17:58+00:00" }, "updateDate":"2026-08-26T10:17:13+00:00", "verticalDatum":null, "dataStructure":"Time series", "itemStructureId":1, "parameterGroup":"Water Temperature", "parameterId":1775, "parameterName":"Water Temperature", "parameterUnit":"DegC", "parameterTimestep":"daily", "parameterTransformation":"minimum" }, "type":"CatalogItem", "relationships":{ "catalogRecord":{ "data":[ { "id":"/rise/api/catalog-record/8257", "type":"CatalogRecord" } ] }, "parameter":{ "data":[ { "id":"/rise/api/parameter/1775", "type":"Parameter" } ] } } }, { "id":"/rise/api/catalog-item/130638", "attributes":{ "_id":130638, "itemTitle":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) Daily Average Water Temperature Time Series Data", "itemDescription":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) average daily water temperature in degrees Celsius (C).", "itemRecordStatusId":1, "isModeled":false, "hasProfile":false, "disclaimer":"Data are provisional and subject to revision unless otherwise noted. Data users are cautioned to consider carefully the provisional nature of the information before using it.", "sourceCode":"CPNHydromet", "locationSourceCode":"gcgw", "externalDataUrl":null, "parameterSourceCode":"wyDaily", "modelNameSourceCode":null, "temporalStartDate":"1985-06-25T19:00:00+00:00", "temporalEndDate":"2026-08-25T07:00:00+00:00", "spatialShortDescription":null, "publicationAuthor":null, "publicationEditor":null, "publicationPublisher":null, "publicationPublisherLocation":null, "publicationFirstPublicationDate":null, "publicationPeriodicalName":null, "publicationSerialNumber":null, "publicationDoi":null, "publicationVolume":null, "publicationIssue":null, "publicationSection":null, "publicationStartPage":null, "publicationEndPage":null, "createDate":"2025-10-02T00:00:00+00:00", "itemType":{ "_id":"DATA", "definition":"Data file", "createDate":"2018-11-28T14:19:59+00:00" }, "matrix":{ "_id":16, "matrix":"Surface Water", "definition":"Untreated water that is present on the land surface, within natural or man-made catchments, channels, or pipes.", "createDate":"2018-11-20T09:34:56+00:00" }, "spatialGeometry":null, "spatialResolution":null, "spatialTransformation":null, "spatialOpenDataURL":null, "metadataFilePath":null, "binaryFilePath":null, "updateFrequency":{ "_id":3, "updatefrequency":"daily", "definition":"resource is updated each day", "createDate":"2018-11-14T15:17:58+00:00" }, "updateDate":"2026-08-26T10:23:33+00:00", "verticalDatum":null, "dataStructure":"Time series", "itemStructureId":1, "parameterGroup":"Water Temperature", "parameterId":1777, "parameterName":"Water Temperature", "parameterUnit":"DegC", "parameterTimestep":"daily", "parameterTransformation":"average" }, "type":"CatalogItem", "relationships":{ "catalogRecord":{ "data":[ { "id":"/rise/api/catalog-record/8257", "type":"CatalogRecord" } ] }, "parameter":{ "data":[ { "id":"/rise/api/parameter/1777", "type":"Parameter" } ] } } }, { "id":"/rise/api/catalog-item/130639", "attributes":{ "_id":130639, "itemTitle":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) Daily Instant Total Dissolved Gas (TDG) Time Series Data", "itemDescription":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW) instant daily total dissolved gas as a percentage. It is the sum of all partial pressures of all gases in a water sample. ", "itemRecordStatusId":1, "isModeled":false, "hasProfile":false, "disclaimer":"Data are provisional and subject to revision unless otherwise noted. Data users are cautioned to consider carefully the provisional nature of the information before using it.", "sourceCode":"CPNHydromet", "locationSourceCode":"gcgw", "externalDataUrl":null, "parameterSourceCode":"yrDaily", "modelNameSourceCode":null, "temporalStartDate":"1997-05-05T19:00:00+00:00", "temporalEndDate":"2026-08-25T07:00:00+00:00", "spatialShortDescription":null, "publicationAuthor":null, "publicationEditor":null, "publicationPublisher":null, "publicationPublisherLocation":null, "publicationFirstPublicationDate":null, "publicationPeriodicalName":null, "publicationSerialNumber":null, "publicationDoi":null, "publicationVolume":null, "publicationIssue":null, "publicationSection":null, "publicationStartPage":null, "publicationEndPage":null, "createDate":"2025-10-02T00:00:00+00:00", "itemType":{ "_id":"DATA", "definition":"Data file", "createDate":"2018-11-28T14:19:59+00:00" }, "matrix":{ "_id":16, "matrix":"Surface Water", "definition":"Untreated water that is present on the land surface, within natural or man-made catchments, channels, or pipes.", "createDate":"2018-11-20T09:34:56+00:00" }, "spatialGeometry":null, "spatialResolution":null, "spatialTransformation":null, "spatialOpenDataURL":null, "metadataFilePath":null, "binaryFilePath":null, "updateFrequency":{ "_id":3, "updatefrequency":"daily", "definition":"resource is updated each day", "createDate":"2018-11-14T15:17:58+00:00" }, "updateDate":"2026-08-26T10:23:37+00:00", "verticalDatum":null, "dataStructure":"Time series", "itemStructureId":1, "parameterGroup":"Inorganic Analytes", "parameterId":1818, "parameterName":"Total Dissolved Gas (TDG)", "parameterUnit":"%", "parameterTimestep":"daily", "parameterTransformation":"instant" }, "type":"CatalogItem", "relationships":{ "catalogRecord":{ "data":[ { "id":"/rise/api/catalog-record/8257", "type":"CatalogRecord" } ] }, "parameter":{ "data":[ { "id":"/rise/api/parameter/1818", "type":"Parameter" } ] } } } ], "name":"Columbia River below Grand Coulee Dam near Coulee Dam, Washington (GCGW)" }, "id":7214, "links":[ { "type":"application/json", "rel":"root", "title":"The landing page of this server as JSON", "href":"https://api.wwdh.internetofwater.app?f=json" }, { "type":"text/html", "rel":"root", "title":"The landing page of this server as HTML", "href":"https://api.wwdh.internetofwater.app?f=html" }, { "rel":"self", "type":"application/geo+json", "title":"This document as JSON", "href":"https://api.wwdh.internetofwater.app/collections/rise-edr/items/7214?f=json" }, { "rel":"alternate", "type":"application/ld+json", "title":"This document as RDF (JSON-LD)", "href":"https://api.wwdh.internetofwater.app/collections/rise-edr/items/7214?f=jsonld" }, { "rel":"alternate", "type":"text/html", "title":"This document as HTML", "href":"https://api.wwdh.internetofwater.app/collections/rise-edr/items/7214?f=html" }, { "rel":"collection", "type":"application/json", "title":"USBR Reclamation Information Sharing Environment (RISE)", "href":"https://api.wwdh.internetofwater.app/collections/rise-edr" } ] }