{"id":"44ee4417-f778-47c3-b5bf-ea1098beade8","created_at":"2025-09-04T14:23:55.758Z","updated_at":"2026-01-20T20:39:00.155Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"32e310eb-3658-4ee6-873c-2772b4f59dfd","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2002-06-20T04:00:00.000Z","observed_at_local":"2002-06-20T00:00:00-04:00","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/160561","readings":[{"id":"ca96b69e-461f-43db-9371-5f9782a97b8e","created_at":"2025-09-04T14:23:55.833Z","updated_at":"2025-09-04T14:23:55.833Z","parameter":"total_phosphorus","unit":"ppb","value":"14","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"e2d5c362-9ace-46b3-8563-3e733ed5e3b4","created_at":"2025-09-04T14:23:55.849Z","updated_at":"2025-09-04T14:23:55.849Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"510","equipment":"lab_unspecified","equipment_limit":null}]}