{"id":"53a631ef-fa28-4433-b5d3-668d65dac5da","created_at":"2025-08-29T18:26:34.019Z","updated_at":"2026-01-20T20:11:20.189Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"2f7fea6e-b9ed-48ac-825e-a9fa94c02155","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2013-05-13T16:00:00.000Z","observed_at_local":"2013-05-13T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 86.8 Chlorophyll A (ug/L) 0.5; Total Phosphorus- bottm Kemmerer sample (ug/L) 117","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 10.77mg/L is outside the expected range of 6.4-10.4mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113946","readings":[{"id":"3c03c521-d300-4487-ae53-a19ce7a419ec","created_at":"2025-08-29T18:26:34.039Z","updated_at":"2025-08-29T18:26:34.039Z","parameter":"ph","unit":"std_units","value":"7.5","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"e0187154-34f4-4529-85ac-2db3117730c0","created_at":"2025-08-29T18:26:34.043Z","updated_at":"2025-08-29T18:26:34.043Z","parameter":"oxygen","unit":"mg_l","value":"10.77","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"27ad348b-2cfb-4ba9-a811-f93b1a51b3e5","created_at":"2025-08-29T18:26:34.047Z","updated_at":"2025-08-29T18:26:34.047Z","parameter":"secchi_depth","unit":"m","value":"4.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"a5b2d0e6-7d54-4eb5-b183-494e4e48f975","created_at":"2025-08-29T18:26:34.051Z","updated_at":"2025-08-29T18:26:34.051Z","parameter":"total_phosphorus","unit":null,"value":"8.0","equipment":null,"equipment_limit":null},{"id":"36b9d17c-cfc3-4920-96ee-c51f1e74ac77","created_at":"2025-08-29T18:26:34.054Z","updated_at":"2025-08-29T18:26:34.054Z","parameter":"water_temperature","unit":null,"value":"11.8","equipment":null,"equipment_limit":null}]}