{"id":"2e648e17-0ebf-457b-b244-3e44096905f2","created_at":"2025-08-29T18:26:11.966Z","updated_at":"2026-01-20T20:10:10.051Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"2ceaf79d-94c2-41f6-b325-4e0a834ab784","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"1998-09-18T16:00:00.000Z","observed_at_local":"1998-09-18T12:00:00-04:00","notes":"Chlorophyll A (ug/L) 3","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/113563","readings":[{"id":"1021a76c-8c9e-41fa-bc5f-4d96fd3956e4","created_at":"2025-08-29T18:26:11.992Z","updated_at":"2025-08-29T18:26:11.992Z","parameter":"oxygen","unit":"mg_l","value":"6.9","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"fa6b71a5-aa23-4c01-b9d9-b4d82e62ba44","created_at":"2025-08-29T18:26:11.997Z","updated_at":"2025-08-29T18:26:11.997Z","parameter":"secchi_depth","unit":"m","value":"2.8","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"56fb6785-745b-4fbf-b222-58cf81e6c676","created_at":"2025-08-29T18:26:12.009Z","updated_at":"2025-08-29T18:26:12.009Z","parameter":"water_temperature","unit":null,"value":"19.1","equipment":null,"equipment_limit":null}]}