{"id":"366ef32c-470c-4b8e-aec2-bfff998a31b4","created_at":"2025-08-29T18:26:23.773Z","updated_at":"2026-01-20T20:10:46.265Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"a27ca0c8-8542-410c-9656-b01758bbafc4","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2010-07-07T16:00:00.000Z","observed_at_local":"2010-07-07T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 107.2 Chlorophyll A (ug/L) 2.6; Total Phosphorus- bottm Kemmerer sample (ug/L) 59","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/113754","readings":[{"id":"a2b13a99-77ff-4a38-81d0-9b17612d45b6","created_at":"2025-08-29T18:26:23.792Z","updated_at":"2025-08-29T18:26:23.792Z","parameter":"ph","unit":"std_units","value":"8.1","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"9e724685-ed85-4ab5-b30c-bc8c76f684bd","created_at":"2025-08-29T18:26:23.799Z","updated_at":"2025-08-29T18:26:23.799Z","parameter":"secchi_depth","unit":"m","value":"8.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"9bf0700c-895c-40ff-af5a-afb5b29247e3","created_at":"2025-08-29T18:26:23.802Z","updated_at":"2025-11-19T15:02:28.847Z","parameter":"total_phosphorus","unit":null,"value":"0.0","equipment":null,"equipment_limit":"<="}]}