{"id":"476f2f8c-d600-4ef7-bb38-b9afd7ccea0e","created_at":"2025-09-04T14:24:15.448Z","updated_at":"2026-01-20T20:39:34.079Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"406c4d67-b8ca-4cac-9f2a-34344e8e8362","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2009-08-18T04:00:00.000Z","observed_at_local":"2009-08-18T00:00:00-04:00","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/160729","readings":[{"id":"655de340-3ca9-4ff5-9abc-e9561db3b89d","created_at":"2025-09-04T14:24:15.500Z","updated_at":"2025-09-04T14:24:15.500Z","parameter":"total_phosphorus","unit":"ppb","value":"10","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"f4bcc32a-caf5-4c42-8318-a3b1d7d43394","created_at":"2025-09-04T14:24:15.540Z","updated_at":"2025-09-04T14:24:15.540Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"460","equipment":"lab_unspecified","equipment_limit":null}]}