{"id":"4f74908b-c6bf-44e3-9459-5eb54fd8b88d","created_at":"2025-09-04T14:35:47.781Z","updated_at":"2026-01-20T20:59:04.343Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"4da46fba-17f2-4ad5-b6b3-31e9c22798ef","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2004-07-14T04:00:00.000Z","observed_at_local":"2004-07-14T00:00:00-04:00","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/165499","readings":[{"id":"247b7d36-3475-4797-848d-2b1e872b5bd8","created_at":"2025-09-04T14:35:47.848Z","updated_at":"2025-09-04T14:35:47.848Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"6300fafe-0894-4bfc-b563-437d785df0ab","created_at":"2025-09-04T14:35:47.866Z","updated_at":"2025-09-04T14:35:47.866Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"450","equipment":"lab_unspecified","equipment_limit":null}]}