{"id":"001b23ab-1f0a-406f-8855-e4ba87a9ad2b","created_at":"2025-09-04T14:30:24.257Z","updated_at":"2026-01-20T20:52:22.766Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"5c641bf8-b878-4a66-a765-7e8f3f9dfd32","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2007-09-18T04:00:00.000Z","observed_at_local":"2007-09-18T00:00:00-04:00","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/163543","readings":[{"id":"6dc384e8-9d1c-4e24-b771-d4528bd9a8f7","created_at":"2025-09-04T14:30:24.308Z","updated_at":"2025-09-04T14:30:24.308Z","parameter":"total_phosphorus","unit":"ppb","value":"11","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"1997e8ef-a7d0-46f0-8483-5208a3e16cb0","created_at":"2025-09-04T14:30:24.315Z","updated_at":"2025-09-04T14:30:24.315Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"480","equipment":"lab_unspecified","equipment_limit":null}]}