{"id":"11a3f04a-a480-4d0c-8891-6aa26f3b6528","created_at":"2025-09-04T14:22:34.145Z","updated_at":"2026-01-20T20:36:48.057Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"66fe0aac-21a5-44eb-8154-6feca026d7ec","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-05-16T04:00:00.000Z","observed_at_local":"2005-05-16T00:00:00-04:00","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/159858","readings":[{"id":"15a6cd96-3702-4179-b0d0-0df54e77d6f8","created_at":"2025-09-04T14:22:34.186Z","updated_at":"2025-09-04T14:22:34.186Z","parameter":"total_phosphorus","unit":"ppb","value":"11","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"6e9bba97-8a50-403c-8bbc-3946b603a4e4","created_at":"2025-09-04T14:22:34.196Z","updated_at":"2025-09-04T14:22:34.196Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"430","equipment":"lab_unspecified","equipment_limit":null}]}