{"id":"61576df7-1dec-4c2c-93b0-b771bc07e10f","created_at":"2025-08-29T18:26:26.857Z","updated_at":"2026-01-20T20:10:56.168Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"32bdbb02-5dd2-40c0-80aa-014f9b15ecf9","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2002-10-17T16:00:00.000Z","observed_at_local":"2002-10-17T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 115 Chlorophyll A (ug/L) 5; Total Phosphorus- bottm Kemmerer sample (ug/L) 135","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","secchi_depth","total_phosphorus"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113811","readings":[{"id":"fef3fb7e-7bb0-4438-af5f-fb247d0e63b9","created_at":"2025-08-29T18:26:26.880Z","updated_at":"2025-08-29T18:26:26.880Z","parameter":"ph","unit":"std_units","value":"7.9","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"0bcc74eb-46a0-4208-a097-2daf2ba79d6d","created_at":"2025-08-29T18:26:26.884Z","updated_at":"2025-08-29T18:26:26.884Z","parameter":"secchi_depth","unit":"m","value":"3.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"917a304b-5de1-46a4-a9f6-4b6584a36450","created_at":"2025-08-29T18:26:26.894Z","updated_at":"2025-08-29T18:26:26.894Z","parameter":"total_phosphorus","unit":null,"value":"15.0","equipment":null,"equipment_limit":null}]}