{ "type":"Feature", "properties":{ "fid":27074, "id":"64756", "uri":"https://geoconnex.us/ref/mainstems/64756", "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/54468", "encompassing_mainstem_basins":"['https://geoconnex.us/ref/mainstems/54468', 'https://geoconnex.us/ref/mainstems/33648', 'https://geoconnex.us/ref/mainstems/31261', 'https://geoconnex.us/ref/mainstems/29559']", "name_at_outlet":"Arroyo Grande", "name_at_outlet_gnis_id":903380, "head_nhdpv2_comid":"https://geoconnex.us/nhdplusv2/comid/21351121", "outlet_nhdpv2_comid":"https://geoconnex.us/nhdplusv2/comid/21352957", "head_nhdpv2huc12":"https://geoconnex.us/nhdplusv2/huc12/150400040304", "outlet_nhdpv2huc12":"https://geoconnex.us/nhdplusv2/huc12/150400040304", "lengthkm":17.4, "outlet_drainagearea_sqkm":105.9, "head_rf1id":null, "outlet_rf1id":null, "head_nhdpv1_comid":null, "outlet_nhdpv1_comid":null, "head_2020huc12":"150400040304", "outlet_2020huc12":"150400040304", "superseded":false, "new_mainstemid":"", "datasets":[ { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Sodium at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Sodium", "variableUnit":"milligrams per liter", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Sodium&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"pH at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"pH", "variableUnit":"Unknown", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=pH&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Chloride at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Chloride", "variableUnit":"milligrams per liter", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Chloride&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Carbonate at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Carbonate", "variableUnit":"milligrams per liter", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Carbonate&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Fluoride at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Fluoride", "variableUnit":"milligrams per liter", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Fluoride&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Bicarbonate at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Bicarbonate", "variableUnit":"milligrams per liter", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Bicarbonate&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Silica at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Silica", "variableUnit":"milligrams per liter", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Silica&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Sulfate at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Sulfate", "variableUnit":"milligrams per liter", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Sulfate&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Copper at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Copper", "variableUnit":"Unknown", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Copper&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Boron at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Boron", "variableUnit":"Unknown", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Boron&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Hardness, Ca, Mg at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Hardness, Ca, Mg", "variableUnit":"milligrams per liter as calcium carbonate", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Hardness, Ca, Mg&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Zinc at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Zinc", "variableUnit":"Unknown", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Zinc&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Carbon dioxide at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Carbon dioxide", "variableUnit":"milligrams per liter", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Carbon dioxide&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Hardness, non-carbonate at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Hardness, non-carbonate", "variableUnit":"milligrams per liter as calcium carbonate", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Hardness, non-carbonate&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Nitrate at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Nitrate", "variableUnit":"milligrams per liter as nitrogen", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Nitrate&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Specific conductance at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Specific conductance", "variableUnit":"microsiemens per centimeter", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Specific conductance&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Sodium, percent total cations at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Sodium, percent total cations", "variableUnit":"percent", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Sodium, percent total cations&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Alkalinity at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Alkalinity", "variableUnit":"milligrams per liter as calcium carbonate", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Alkalinity&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Potassium at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Potassium", "variableUnit":"milligrams per liter", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Potassium&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" }, { "monitoringLocation":"https://geoconnex.us/iow/wqp/USGS-340018108540501", "siteName":"USGS-340018108540501", "datasetDescription":"Barium at USGS-340018108540501", "type":"Spring", "url":"https://www.waterqualitydata.us/provider/NWIS/USGS-NM/USGS-340018108540501/", "variableMeasured":"Barium", "variableUnit":"micrograms per liter", "measurementTechnique":"observation", "temporalCoverage":"1958-01-01T00:00:00Z/1958-12-31T00:00:00Z", "distributionName":"Water Quality Portal", "distributionURL":"https://www.waterqualitydata.us/data/Result/search?siteid=USGS-340018108540501&CharacteristicName=Barium&mimeType=csv", "distributionFormat":"text/comma-separated-values", "wkt":"POINT (-108.9020174 34.00505176)" } ] }, "id":"64756", "geometry":{ "type":"LineString", "coordinates":[ [ -108.89975027473918, 34.01907521386236 ], [ -108.89691647474353, 34.01396948053698 ], [ -108.89982940807238, 34.007511813880285 ], [ -108.89342860808227, 33.99546961389898 ], [ -108.8875454747581, 33.989676480574566 ], [ -108.8866934080927, 33.98658528057945 ], [ -108.88834267475687, 33.98376888058371 ], [ -108.88614380809362, 33.97680788059468 ], [ -108.88130667476781, 33.97289228060075 ], [ -108.87622240810902, 33.971998880602165 ], [ -108.87284307478092, 33.964694080613434 ], [ -108.86913340812004, 33.96375481394825 ], [ -108.86630367479103, 33.96045708062007 ], [ -108.8674596081226, 33.95157301396702 ], [ -108.87158160811617, 33.94813881397247 ], [ -108.86968660811908, 33.94378801397913 ], [ -108.86378100812829, 33.938818280653685 ], [ -108.84787560815295, 33.9367536806567 ], [ -108.84109387483022, 33.92933268066837 ], [ -108.84434147482511, 33.915824014022576 ], [ -108.84387660815923, 33.911358814029505 ], [ -108.84615720815566, 33.90858901403378 ], [ -108.84508867482397, 33.90261228070976 ] ] }, "prev":"647231", "next":"647595", "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/64756?f=json" }, { "rel":"alternate", "type":"application/ld+json", "title":"This document as RDF (JSON-LD)", "href":"https://geoconnex.us/ref/mainstems/64756?f=jsonld" }, { "rel":"alternate", "type":"text/html", "title":"This document as HTML", "href":"https://geoconnex.us/ref/mainstems/64756?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/647231?f=json" }, { "rel":"next", "type":"application/json", "href":"https://reference.geoconnex.us/collections/mainstems/items/647595?f=json" } ] }