{"id":"e0ea46ab-cad9-4284-82c3-8cba3e408454","created_at":"2025-09-04T14:40:50.366Z","updated_at":"2026-01-20T21:02:49.595Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d505faf7-60c7-4539-b6da-a4818d092d7d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-11-03T04:00:00.000Z","observed_at_local":"2018-11-03T00:00:00-04:00","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/166668","readings":[{"id":"55dbfb2b-ce8c-400a-bd93-91829d44d835","created_at":"2025-09-04T14:40:50.432Z","updated_at":"2025-09-04T14:40:50.432Z","parameter":"total_phosphorus","unit":"ppb","value":"0.01","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"7409d616-c41f-453a-a3bb-b7c77f4458ba","created_at":"2025-09-04T14:40:50.456Z","updated_at":"2025-09-04T14:40:50.456Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.4","equipment":"lab_unspecified","equipment_limit":null}]}