{"id":"d44ecb53-83fe-4210-bf1f-164fdda0296b","created_at":"2025-09-04T01:21:49.976Z","updated_at":"2026-01-20T20:36:12.031Z","owner_id":"c0d2bce8-0536-45c5-b6fc-4460a10a9880","location_id":"49c29d99-4250-4e3d-abde-43671d77f52d","dataset_id":"79e36071-d529-4740-98d9-e1a7ef0c3a95","form_id":"bf96eab6-b016-4792-b731-31db5bec2506","observed_at":"2016-07-06T13:15:00.000Z","observed_at_local":"2016-07-06T09:15:00-04:00","notes":"Tested the full water column for dissolved oxygen, and phosphorus was done throughout the water column where light penetrates. We will see how our titration sample compares to lab results from the Mississippi Valley. Our reading was between 0.03-0.1mg/L.\r\n\r\nFor wildlife, we spotted 2 Loons and 1 Great Blue Heron.","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","conductivity","air_temperature","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/159307","readings":[{"id":"404bbdd0-c07c-48e5-a8a6-89d7ce2e1eb2","created_at":"2025-09-04T01:21:50.036Z","updated_at":"2025-09-04T01:21:50.036Z","parameter":"ph","unit":"std_units","value":"8.4","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"c97ff49d-f861-42a0-9ba7-531da095edf6","created_at":"2025-09-04T01:21:50.040Z","updated_at":"2025-09-04T01:21:50.040Z","parameter":"oxygen","unit":"mg_l","value":"8.98","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"216284dd-bd5a-4cf6-a6db-de9ad8135530","created_at":"2025-09-04T01:21:50.045Z","updated_at":"2025-09-04T01:21:50.045Z","parameter":"secchi_depth","unit":"m","value":"7.3","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"231dbe01-a8b0-4182-ab34-6896b49e7bd9","created_at":"2025-09-04T01:21:50.051Z","updated_at":"2025-09-04T01:21:50.051Z","parameter":"conductivity","unit":"us_cm","value":"143","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"3125de7f-18e3-4128-b777-b978320dcd7e","created_at":"2025-09-04T01:21:50.054Z","updated_at":"2025-09-04T01:21:50.054Z","parameter":"air_temperature","unit":"deg_c","value":"29","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"394bb282-24a4-4a64-96fb-40af94824962","created_at":"2025-09-04T01:21:50.060Z","updated_at":"2025-09-04T01:21:50.060Z","parameter":"total_phosphorus","unit":"ppb","value":"7","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"e1703799-3c9b-4f3f-801a-20724f0d2d7b","created_at":"2025-09-04T01:21:50.064Z","updated_at":"2025-09-04T01:21:50.064Z","parameter":"water_temperature","unit":"deg_c","value":"23.1","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}