{"id":"a355dd93-54cb-4b75-a90c-cc6448c63452","created_at":"2025-09-04T14:30:38.847Z","updated_at":"2026-01-20T20:52:46.626Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"9c6a06a6-b0c5-4e74-9b31-472f156c90ca","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-06-22T04:00:00.000Z","observed_at_local":"2005-06-22T00:00:00-04:00","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/163654","readings":[{"id":"21eec6eb-342c-4761-b187-99cd263f3d9b","created_at":"2025-09-04T14:30:38.915Z","updated_at":"2025-09-04T14:30:38.915Z","parameter":"total_phosphorus","unit":"ppb","value":"36","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"61e2160a-07fe-4f66-86ac-342cdc912b17","created_at":"2025-09-04T14:30:38.937Z","updated_at":"2025-09-04T14:30:38.937Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"480","equipment":"lab_unspecified","equipment_limit":null}]}