{"id":"42e81934-62cf-4af6-8a45-292c0f0e4353","created_at":"2025-08-29T18:26:34.873Z","updated_at":"2026-01-20T20:11:23.178Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"2ceaf79d-94c2-41f6-b325-4e0a834ab784","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2003-06-25T16:00:00.000Z","observed_at_local":"2003-06-25T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 88 Chlorophyll A (ug/L) 1; Total Phosphorus- bottm Kemmerer sample (ug/L) 11","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/113963","readings":[{"id":"fc635a14-2031-498e-b5eb-b6a82bcfd703","created_at":"2025-08-29T18:26:34.894Z","updated_at":"2025-08-29T18:26:34.894Z","parameter":"ph","unit":"std_units","value":"7.9","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"97c51cef-f970-42d9-92bd-c19ab81e5412","created_at":"2025-08-29T18:26:34.898Z","updated_at":"2025-08-29T18:26:34.898Z","parameter":"secchi_depth","unit":"m","value":"4.4","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"7f74614e-e697-437a-9ee5-1e0454221042","created_at":"2025-08-29T18:26:34.906Z","updated_at":"2025-08-29T18:26:34.906Z","parameter":"total_phosphorus","unit":null,"value":"45.0","equipment":null,"equipment_limit":null}]}