{"id":"07de622d-73bb-4b6b-9c75-29b2211835d8","created_at":"2025-08-29T18:26:00.143Z","updated_at":"2026-01-20T20:09:40.306Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2002-07-16T16:00:00.000Z","observed_at_local":"2002-07-16T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 68","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/113405","readings":[{"id":"fdf5a4a0-3ed1-4b49-9bb7-2abb9336b899","created_at":"2025-08-29T18:26:00.165Z","updated_at":"2025-08-29T18:26:00.165Z","parameter":"ph","unit":"std_units","value":"8.1","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"4da685d8-3e83-4126-b486-399bd0052d18","created_at":"2025-08-29T18:26:00.171Z","updated_at":"2025-08-29T18:26:00.171Z","parameter":"secchi_depth","unit":"m","value":"3.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"68db757c-7c63-4d57-bff3-5d897f2cd3a8","created_at":"2025-08-29T18:26:00.180Z","updated_at":"2025-08-29T18:26:00.180Z","parameter":"total_phosphorus","unit":null,"value":"21.0","equipment":null,"equipment_limit":null}]}