{"id":"b4b1c985-c8f1-4843-9a33-8085c285d606","created_at":"2025-09-04T14:23:55.135Z","updated_at":"2026-01-20T20:38:58.946Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"90beafb7-55b3-41d5-9324-32c13d84a431","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-10-07T04:00:00.000Z","observed_at_local":"2005-10-07T00:00:00-04:00","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/160555","readings":[{"id":"6784dc8d-6dab-4b53-aa2e-1798fb2157b4","created_at":"2025-09-04T14:23:55.192Z","updated_at":"2025-09-04T14:23:55.192Z","parameter":"total_phosphorus","unit":"ppb","value":"10","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"094d19b5-470d-4fba-bdc4-f7b789062b3d","created_at":"2025-09-04T14:23:55.202Z","updated_at":"2025-09-04T14:23:55.202Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"390","equipment":"lab_unspecified","equipment_limit":null}]}