{"id":"541e1e5d-99d5-425c-859e-801af3004108","created_at":"2025-09-04T14:33:42.539Z","updated_at":"2026-01-20T20:57:05.548Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"89acdd19-ebca-4a93-acaf-ae129fde718f","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2002-09-17T04:00:00.000Z","observed_at_local":"2002-09-17T00:00:00-04:00","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/164852","readings":[{"id":"d9313410-43a7-4a1c-9405-8b19be2c4c67","created_at":"2025-09-04T14:33:42.610Z","updated_at":"2025-09-04T14:33:42.610Z","parameter":"total_phosphorus","unit":"ppb","value":"20","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"b830363c-c8b9-4a9d-b9b7-a8691feda97b","created_at":"2025-09-04T14:33:42.624Z","updated_at":"2025-09-04T14:33:42.624Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"530","equipment":"lab_unspecified","equipment_limit":null}]}