{"id":"141bc738-9a52-48dd-bfa8-e279e98e64f3","created_at":"2025-09-04T14:28:19.520Z","updated_at":"2026-01-20T20:49:09.502Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"7b14a1c3-76c2-472f-a565-112564b358e0","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2014-09-02T04:00:00.000Z","observed_at_local":"2014-09-02T00:00:00-04:00","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/162728","readings":[{"id":"1d5816e4-3c09-4c0f-b194-8ed264dc8bf8","created_at":"2025-09-04T14:28:19.592Z","updated_at":"2025-09-04T14:28:19.592Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"cbcc9c8a-555d-4641-acf1-c085a5ea25c4","created_at":"2025-09-04T14:28:19.605Z","updated_at":"2025-09-04T14:28:19.605Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"510","equipment":"lab_unspecified","equipment_limit":null}]}