{"name":"Grass River","slug":"grass-river","river_id":null,"bbox":[-85.30175,44.91681,-85.09783,45.10193],"generated_at":"2026-09-24T02:50:15Z","basis":"vsec","breaks":[58,64,70],"thermal":{"Cold":{"color":"#0f6e56","dark":"#3f9b7f"},"Cold-transitional":{"color":"#3d7c9c","dark":"#6aa6c4"},"Cool":{"color":"#c98a3b","dark":"#d9a256"},"Warm":{"color":"#a94b32","dark":"#c46a4f"},"Unknown":{"color":"#9a9384","dark":"#7c766a"}},"sites":[{"site_no":"04127800","name":"JORDAN RIVER NEAR EAST JORDAN, MI","short":"JORDAN RIVER NEAR EAST JORDAN, MI","lat":45.10193,"lon":-85.09783,"rm":null,"july_mean_f":null,"live":{"cfs":176.0,"at_cfs":"2026-09-24T02:00:00+00:00","at":"2026-09-24T02:00:00+00:00","provisional":true,"gage_ft":3.42,"at_gage_ft":"2026-09-24T02:00:00+00:00","temp_f":null,"thermal_class":"Unknown"}}],"river":{"type":"FeatureCollection","features":[]},"land":{"type":"FeatureCollection","features":[{"type":"Feature","properties":{"name":"Grass River Natural Area","owner":null},"geometry":{"type":"Polygon","coordinates":[[[-85.207355,44.93533800000002],[-85.207341,44.931989999999956],[-85.209567,44.92992299999997],[-85.209357,44.92826600000005],[-85.203649,44.928162],[-85.203817,44.920982],[-85.210789,44.920979999999986],[-85.210918,44.91280400000005],[-85.213419,44.912799000000014],[-85.213452,44.91013600000001],[-85.216056,44.91010599999996],[-85.21612700000001,44.90650600000001],[-85.236332,44.90664799999997],[-85.236293,44.91368599999996],[-85.238727,44.913697999999975],[-85.237906,44.91803000000001],[-85.239471,44.919520000000006],[-85.237162,44.91864500000001],[-85.211718,44.93971500000001],[-85.209436,44.93935599999993],[-85.207355,44.93533800000002]]]}},{"type":"Feature","properties":{"name":"Grass River Natural Area","owner":"County"},"geometry":{"type":"MultiPolygon","coordinates":[[[[-85.206321,44.937339000000044],[-85.205062,44.93617900000001],[-85.207519,44.93614900000002],[-85.208201,44.937053],[-85.208209,44.93772399999999],[-85.20659900000001,44.93773699999992],[-85.207171,44.939021],[-85.20582300000001,44.93901700000001],[-85.205132,44.93800899999996],[-85.206321,44.937339000000044]]],[[[-85.211042,44.939586999999996],[-85.210049,44.94109600000004],[-85.20774,44.94110399999999],[-85.208229,44.93903200000001],[-85.211042,44.939586999999996]]],[[[-85.220868,44.96822399999996],[-85.220536,44.97546400000004],[-85.220576,44.97184599999995],[-85.218265,44.971824000000026],[-85.218314,44.96458400000002],[-85.215741,44.964572999999994],[-85.21501,44.967084000000014],[-85.214841,44.964295],[-85.210829,44.960668000000005],[-85.210914,44.958802000000006],[-85.21348,44.95916500000001],[-85.22416,44.96554400000005],[-85.224153,44.968229000000036],[-85.220868,44.96822399999996]]],[[[-85.246794,44.930148999999986],[-85.246815,44.93186300000001],[-85.244262,44.93182699999993],[-85.244239,44.928983999999986],[-85.246794,44.930148999999986]]],[[[-85.250382,44.924811],[-85.249812,44.927379000000016],[-85.249748,44.92865500000001],[-85.24913,44.92480699999998],[-85.250382,44.924811]]]]}}]}}