{"id":"c6e7e94c-de2f-4f37-9777-13a928088c28","created_at":"2025-09-04T14:30:20.001Z","updated_at":"2026-01-20T20:52:15.988Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"91703dc8-83aa-4f6f-85b2-4573e0c5cc46","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/163506","readings":[{"id":"c0af133b-3cfb-46dd-a9da-3ebdc0938348","created_at":"2025-09-04T14:30:20.052Z","updated_at":"2025-09-04T14:30:20.052Z","parameter":"total_phosphorus","unit":"ppb","value":"21","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"f44e16bd-9a89-4894-9865-a3bae83e535e","created_at":"2025-09-04T14:30:20.075Z","updated_at":"2025-09-04T14:30:20.075Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"430","equipment":"lab_unspecified","equipment_limit":null}]}