{"id":"1d436477-f487-45d1-ad08-ddb06447590c","created_at":"2025-08-29T18:26:28.552Z","updated_at":"2026-01-20T20:11:02.148Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"448ed142-cdcb-469c-b48c-b1a4ea824936","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2013-09-05T16:00:00.000Z","observed_at_local":"2013-09-05T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 68 Chlorophyll A (ug/L) 1.7; Total Phosphorus- bottm Kemmerer sample (ug/L) 10","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113845","readings":[{"id":"b7d41973-ed84-4145-9d1a-ac6aeee02e6d","created_at":"2025-08-29T18:26:28.582Z","updated_at":"2025-08-29T18:26:28.582Z","parameter":"ph","unit":"std_units","value":"6.7","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"f9bca36d-dde9-4979-936d-633bc6231bd9","created_at":"2025-08-29T18:26:28.586Z","updated_at":"2025-08-29T18:26:28.586Z","parameter":"oxygen","unit":"mg_l","value":"8.59","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"0295733f-f6f1-4bd6-9760-fd03997ed1bd","created_at":"2025-08-29T18:26:28.590Z","updated_at":"2025-08-29T18:26:28.590Z","parameter":"secchi_depth","unit":"m","value":"4.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"9e6235af-601f-4e83-8e7e-a53ee976698a","created_at":"2025-08-29T18:26:28.594Z","updated_at":"2025-08-29T18:26:28.594Z","parameter":"total_phosphorus","unit":null,"value":"8.0","equipment":null,"equipment_limit":null},{"id":"9b3df188-d98a-4d16-aa9e-671f41e5de13","created_at":"2025-08-29T18:26:28.603Z","updated_at":"2025-08-29T18:26:28.603Z","parameter":"water_temperature","unit":null,"value":"21.3","equipment":null,"equipment_limit":null}]}