{"id":"5c66886b-33d0-478c-a501-03b372d07aaa","created_at":"2025-09-04T14:33:02.173Z","updated_at":"2026-01-20T20:56:26.081Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"cb1c7d3c-d734-4dcc-aaae-6493f7ea5d34","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-06-21T04:00:00.000Z","observed_at_local":"2005-06-21T00:00:00-04:00","notes":null,"checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/164637","readings":[{"id":"5a0441d5-0d15-4dec-8bb8-ed099c70e68e","created_at":"2025-09-04T14:33:02.269Z","updated_at":"2025-09-04T14:33:02.269Z","parameter":"total_phosphorus","unit":"ppb","value":"17","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"90b45c36-5f05-4c58-9bad-675ff218b3a4","created_at":"2025-09-04T14:33:02.284Z","updated_at":"2025-09-04T14:33:02.284Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"390","equipment":"lab_unspecified","equipment_limit":null}]}