{"id":"dedb23d4-5f1b-4903-9d9d-d96157d22fc6","created_at":"2025-09-04T15:31:48.430Z","updated_at":"2026-01-20T21:15:38.493Z","owner_id":"713cf35f-6519-4b0c-a82e-6139b8281f55","location_id":"23784cb0-be51-471d-8e65-e54f2c4cfa4d","dataset_id":"c15f3477-8757-4b32-a93a-f6c9f424b830","form_id":"1f3d4585-fa19-433a-bd61-237f2ca81fef","observed_at":"2016-10-20T14:30:00.000Z","observed_at_local":"2016-10-20T10:30:00-04:00","notes":"Conditions calm, no cloud cover, sunny, 10:20 am \r\n\r\nThe purpose of this was to take sediment grab samples, monitor water quality and observe various aquatic organisms.\r\nEquipment used: Eckman Grab Sampler  \r\nPresence of Zebra Mussels: Yes; numerous, various sizes, clumps attached to rocks and embedded into lake bottom(sediment)\r\nSediment grab observations: sandy/silty, dark brown sludge, fine particles, leaf matter.\r\nBenthic Invertebrates:  1 Sawbug, 1 Pouch Snail, 1 Orb Snail, 2 Amphiod, 2 Mayfly, 3 Midge Larva, 5 Caddis Fly, 53 Zebra Mussels \r\nImages if fish collected and released:\r\n1.Unknown minnow with lice, 2. Blue Gill, 3. Yellow Perch and its belly/gills 4. Silver Shiner","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","alkalinity","water_depth","conductivity","air_temperature","water_temperature","turbidity"],"photos":["http://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBOUlzQVE9PSIsImV4cCI6IjIwMjYtMTAtMzFUMDc6NDE6NDUuNTQwWiIsInB1ciI6ImJsb2JfaWQifX0=--2bdd9b80bd26608381d42c85dccae67fc013512d/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJY0c1bkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--0828854867a352a3779f31e7f51e095f0071644e/untitled.png","http://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBOU1zQVE9PSIsImV4cCI6IjIwMjYtMTAtMzFUMDc6NDE6NDUuNTQyWiIsInB1ciI6ImJsb2JfaWQifX0=--5b296b7f7e9f5f4086e87937bcc0b6dc14c6e281/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJY0c1bkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--0828854867a352a3779f31e7f51e095f0071644e/untitled5.png","http://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBL0F0QVE9PSIsImV4cCI6IjIwMjYtMTAtMzFUMDc6NDE6NDUuNTQ0WiIsInB1ciI6ImJsb2JfaWQifX0=--43bc571a2eef6706b124141d8a3b6422becbb4d2/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJY0c1bkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--0828854867a352a3779f31e7f51e095f0071644e/untitled1.png","http://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBL1F0QVE9PSIsImV4cCI6IjIwMjYtMTAtMzFUMDc6NDE6NDUuNTQ2WiIsInB1ciI6ImJsb2JfaWQifX0=--7ce428f4a70750d8461e88e58ed03a7933d3c963/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJY0c1bkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--0828854867a352a3779f31e7f51e095f0071644e/untitled3.png"],"permalink":"https://data.waterrangers.com/observations/170066","readings":[{"id":"bd68850e-b190-46d0-95c6-726d1521fdc2","created_at":"2025-12-10T17:02:01.202Z","updated_at":"2025-12-10T17:02:01.202Z","parameter":"turbidity","sub_question":null,"qualitative":false,"unit":"ntu","value":"5","equipment":"turbidity_tube_45cm","equipment_limit":"<"},{"id":"a031aae0-ef9f-417b-bddc-16d67863d792","created_at":"2025-09-04T15:31:48.516Z","updated_at":"2025-09-04T15:31:48.516Z","parameter":"ph","sub_question":null,"qualitative":false,"unit":"std_units","value":"7.87","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"e4adde3e-6c78-4950-b179-562755e3ef4a","created_at":"2025-09-04T15:31:48.527Z","updated_at":"2025-09-04T15:31:48.527Z","parameter":"oxygen","sub_question":null,"qualitative":false,"unit":"mg_l","value":"9.1","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"ab011753-7e8b-484e-a80c-e40308406396","created_at":"2025-09-04T15:31:48.554Z","updated_at":"2025-09-04T15:31:48.554Z","parameter":"secchi_depth","sub_question":null,"qualitative":false,"unit":"m","value":"bottom_visible","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"ffc42b05-1da9-4936-ab81-63d7f63fd3d3","created_at":"2025-09-04T15:31:48.591Z","updated_at":"2025-09-04T15:31:48.591Z","parameter":"alkalinity","sub_question":null,"qualitative":false,"unit":"ppm","value":"63","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"62eb2592-943d-41b8-ae52-90faed826259","created_at":"2025-09-04T15:31:48.612Z","updated_at":"2025-09-04T15:31:48.612Z","parameter":"water_depth","sub_question":null,"qualitative":false,"unit":"m","value":"1.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"6245c31f-a7c9-4d53-9dc4-79dd929f9e37","created_at":"2025-09-04T15:31:48.676Z","updated_at":"2025-09-04T15:31:48.676Z","parameter":"conductivity","sub_question":null,"qualitative":false,"unit":"us_cm","value":"450","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"6a5e4df9-cbae-4cd8-ab45-47c597ddbef5","created_at":"2025-09-04T15:31:48.688Z","updated_at":"2025-09-04T15:31:48.688Z","parameter":"air_temperature","sub_question":null,"qualitative":false,"unit":"deg_c","value":"24.3","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"c0bfbb34-c767-43d3-99d4-ea1bca14e216","created_at":"2025-09-04T15:31:48.701Z","updated_at":"2025-09-04T15:31:48.701Z","parameter":"water_temperature","sub_question":null,"qualitative":false,"unit":"deg_c","value":"16.5","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}