{
    "type":"Feature",
    "properties":{
        "fid":31517,
        "id":"2323686",
        "uri":"https://geoconnex.us/ref/mainstems/2323686",
        "featuretype":"['https://www.opengis.net/def/schema/hy_features/hyf/HY_FlowPath', 'https://www.opengis.net/def/schema/hy_features/hyf/HY_WaterBody']",
        "downstream_mainstem_id":"https://geoconnex.us/ref/mainstems/2323159",
        "encompassing_mainstem_basins":"['https://geoconnex.us/ref/mainstems/2323159', 'https://geoconnex.us/ref/mainstems/2322818']",
        "name_at_outlet":"Oldham Creek",
        "name_at_outlet_gnis_id":1124977,
        "head_nhdpv2_comid":"https://geoconnex.us/nhdplusv2/comid/24529026",
        "outlet_nhdpv2_comid":"https://geoconnex.us/nhdplusv2/comid/24527028",
        "head_nhdpv2huc12":"https://geoconnex.us/nhdplusv2/huc12/171003030104",
        "outlet_nhdpv2huc12":"https://geoconnex.us/nhdplusv2/huc12/171003030104",
        "lengthkm":17.7,
        "outlet_drainagearea_sqkm":95.0,
        "head_rf1id":53461,
        "outlet_rf1id":53461,
        "head_nhdpv1_comid":24529026,
        "outlet_nhdpv1_comid":24527028,
        "head_2020huc12":"171003030104",
        "outlet_2020huc12":"171003030104",
        "superseded":false,
        "new_mainstemid":"",
        "datasets":[
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Biochemical oxygen demand, non-standard conditions at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Biochemical oxygen demand, non-standard conditions",
                "variableUnit":"mg/L",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Biochemical oxygen demand, non-standard conditions&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Dissolved oxygen (DO) at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Dissolved oxygen (DO)",
                "variableUnit":"mg/L",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Dissolved oxygen (DO)&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Chemical oxygen demand at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Chemical oxygen demand",
                "variableUnit":"mg/L",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Chemical oxygen demand&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Turbidity at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Turbidity",
                "variableUnit":"JTU",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Turbidity&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Organic carbon at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Organic carbon",
                "variableUnit":"mg/L",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Organic carbon&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Alkalinity, total at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Alkalinity, total",
                "variableUnit":"mg/l",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Alkalinity, total&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Temperature, water at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Temperature, water",
                "variableUnit":"deg C",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Temperature, water&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Total suspended solids at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Total suspended solids",
                "variableUnit":"mg/L",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Total suspended solids&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Conductivity at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Conductivity",
                "variableUnit":"uS/cm",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Conductivity&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Ammonia at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Ammonia",
                "variableUnit":"mg/L",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Ammonia&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Orthophosphate at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Orthophosphate",
                "variableUnit":"mg/l asPO4",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Orthophosphate&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Dissolved oxygen saturation at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Dissolved oxygen saturation",
                "variableUnit":"%",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Dissolved oxygen saturation&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Total solids at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Total solids",
                "variableUnit":"mg/L",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Total solids&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Escherichia coli at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Escherichia coli",
                "variableUnit":"#/100mL",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Escherichia coli&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Fecal Coliform at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Fecal Coliform",
                "variableUnit":"Unknown",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Fecal Coliform&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"pH at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"pH",
                "variableUnit":"None",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=pH&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            },
            {
                "monitoringLocation":"https://geoconnex.us/iow/wqp/OREGONDEQ-12799-ORDEQ",
                "siteName":"OREGONDEQ-12799-ORDEQ",
                "datasetDescription":"Total Kjeldahl nitrogen at OREGONDEQ-12799-ORDEQ",
                "type":"River/Stream",
                "url":"https://www.waterqualitydata.us/provider/STORET/OREGONDEQ/OREGONDEQ-12799-ORDEQ/",
                "variableMeasured":"Total Kjeldahl nitrogen",
                "variableUnit":"mg/L",
                "measurementTechnique":"observation",
                "temporalCoverage":"1997-01-01T00:00:00Z/1997-12-31T00:00:00Z",
                "distributionName":"Water Quality Portal",
                "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=OREGONDEQ-12799-ORDEQ&CharacteristicName=Total Kjeldahl nitrogen&mimeType=csv",
                "distributionFormat":"text/comma-separated-values",
                "wkt":"POINT (-123.2315067 43.4492418)"
            }
        ]
    },
    "id":"2323686",
    "geometry":{
        "type":"LineString",
        "coordinates":[
            [
                -123.11574531933975,
                43.50683819913541
            ],
            [
                -123.13232458598067,
                43.49495199915378
            ],
            [
                -123.13336951931232,
                43.48937799916244
            ],
            [
                -123.1362915193078,
                43.48690599916633
            ],
            [
                -123.1386793859707,
                43.48066193250937
            ],
            [
                -123.13451291931055,
                43.470941799191166
            ],
            [
                -123.1438441192961,
                43.46419673253503
            ],
            [
                -123.1494063859541,
                43.46644073253151
            ],
            [
                -123.15505958594532,
                43.464380732534615
            ],
            [
                -123.15879078593959,
                43.465364732533075
            ],
            [
                -123.15816491927387,
                43.46843573252839
            ],
            [
                -123.16494831926339,
                43.47038079919201
            ],
            [
                -123.17176158591941,
                43.470083732525836
            ],
            [
                -123.17276058591783,
                43.4713417991905
            ],
            [
                -123.18234411923635,
                43.472074799189336
            ],
            [
                -123.18633418589678,
                43.4704757325252
            ],
            [
                -123.19016418589094,
                43.464155732534955
            ],
            [
                -123.19352131921896,
                43.46516973253344
            ],
            [
                -123.20450771920197,
                43.460519599207245
            ],
            [
                -123.21145098585784,
                43.461389599206036
            ],
            [
                -123.21609711918398,
                43.45935659920907
            ],
            [
                -123.22039311917723,
                43.452974532552226
            ],
            [
                -123.22667238583419,
                43.45347353255157
            ],
            [
                -123.22726731916663,
                43.45033839922305
            ],
            [
                -123.23781158581694,
                43.44747339922755
            ],
            [
                -123.24167991914419,
                43.44955239922422
            ],
            [
                -123.25033911913079,
                43.44655339922907
            ]
        ]
    },
    "prev":"2323675",
    "next":"2323689",
    "links":[
        {
            "type":"application/json",
            "rel":"root",
            "title":"The landing page of this server as JSON",
            "href":"https://reference.geoconnex.us?f=json"
        },
        {
            "type":"text/html",
            "rel":"root",
            "title":"The landing page of this server as HTML",
            "href":"https://reference.geoconnex.us?f=html"
        },
        {
            "rel":"self",
            "type":"application/geo+json",
            "title":"This document as JSON",
            "href":"https://geoconnex.us/ref/mainstems/2323686?f=json"
        },
        {
            "rel":"alternate",
            "type":"application/ld+json",
            "title":"This document as RDF (JSON-LD)",
            "href":"https://geoconnex.us/ref/mainstems/2323686?f=jsonld"
        },
        {
            "rel":"alternate",
            "type":"text/html",
            "title":"This document as HTML",
            "href":"https://geoconnex.us/ref/mainstems/2323686?f=html"
        },
        {
            "rel":"collection",
            "type":"application/json",
            "title":"Reference Mainstems",
            "href":"https://reference.geoconnex.us/collections/mainstems"
        },
        {
            "rel":"prev",
            "type":"application/json",
            "href":"https://reference.geoconnex.us/collections/mainstems/items/2323675?f=json"
        },
        {
            "rel":"next",
            "type":"application/json",
            "href":"https://reference.geoconnex.us/collections/mainstems/items/2323689?f=json"
        }
    ]
}