{"id":"f24539fe-8f8f-45d1-9f8d-2a8d3fb8829e","created_at":"2025-08-29T18:26:09.562Z","updated_at":"2026-01-20T20:10:02.788Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"ed639e89-aa65-42b5-a9c9-ca98fc1ecb59","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2001-10-12T16:00:00.000Z","observed_at_local":"2001-10-12T12:00:00-04:00","notes":"Chlorophyll A (ug/L) 2; Total Phosphorus- bottm Kemmerer sample (ug/L) 15","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/113525","readings":[{"id":"b520fb67-b4a4-405c-8ba7-3a3d51eecb25","created_at":"2025-08-29T18:26:09.598Z","updated_at":"2025-08-29T18:26:09.598Z","parameter":"ph","unit":"std_units","value":"7.9","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"5285d053-da5c-44bc-a154-1842a50e1976","created_at":"2025-08-29T18:26:09.607Z","updated_at":"2025-08-29T18:26:09.607Z","parameter":"secchi_depth","unit":"m","value":"4.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"41a739ac-55b0-4f18-9a9c-efdde5c5155d","created_at":"2025-08-29T18:26:09.616Z","updated_at":"2025-08-29T18:26:09.616Z","parameter":"total_phosphorus","unit":null,"value":"16.0","equipment":null,"equipment_limit":null}]}