{"id":"4c454494-2dc2-475c-81b2-4a154ca0d036","created_at":"2025-08-29T18:26:23.459Z","updated_at":"2026-01-20T20:10:45.055Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"d02b1005-62b3-4cf6-b9a4-63a51eb97a9b","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"1998-07-28T16:00:00.000Z","observed_at_local":"1998-07-28T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 107 Chlorophyll A (ug/L) 0.9","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","secchi_depth","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113747","readings":[{"id":"eed3489a-55f5-4121-a23f-f1dcf15b6e42","created_at":"2025-08-29T18:26:23.480Z","updated_at":"2025-08-29T18:26:23.480Z","parameter":"oxygen","unit":"mg_l","value":"7.4","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"818f6a84-18ee-485a-9b8a-212003f669ee","created_at":"2025-08-29T18:26:23.488Z","updated_at":"2025-08-29T18:26:23.488Z","parameter":"secchi_depth","unit":"m","value":"4.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"8710b1a8-fd52-4f04-8a05-e341fe731016","created_at":"2025-08-29T18:26:23.492Z","updated_at":"2025-08-29T18:26:23.492Z","parameter":"water_temperature","unit":null,"value":"22.7","equipment":null,"equipment_limit":null}]}