{"id":"0979196b-eee0-4e74-abb3-d4a237bfbfd6","created_at":"2025-09-04T14:23:38.387Z","updated_at":"2026-01-20T20:38:31.397Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d155ad59-27fc-41f7-875e-9977a130d1e6","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2011-07-07T04:00:00.000Z","observed_at_local":"2011-07-07T00:00:00-04:00","notes":"Total phosphorus of 120 ppm removed","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/160411","readings":[{"id":"d26f199b-8426-4c76-8ba4-06f81da9076e","created_at":"2025-09-04T14:23:38.454Z","updated_at":"2025-09-04T14:23:38.454Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"360","equipment":"lab_unspecified","equipment_limit":null}]}