{"id":"f6a67e36-7913-4eea-a376-7923427a4910","created_at":"2025-09-04T14:33:33.373Z","updated_at":"2026-01-20T20:56:55.564Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"2e726458-8d64-441a-8328-c798cfb50306","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2014-08-14T04:00:00.000Z","observed_at_local":"2014-08-14T00:00:00-04:00","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/164800","readings":[{"id":"64aa53c6-38ad-4a71-9500-a1d1c2a5d748","created_at":"2025-09-04T14:33:33.427Z","updated_at":"2025-09-04T14:33:33.427Z","parameter":"total_phosphorus","unit":"ppb","value":"20","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"403e28fc-02e4-47b9-9b67-89262d7419c8","created_at":"2025-09-04T14:33:33.446Z","updated_at":"2025-09-04T14:33:33.446Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"650","equipment":"lab_unspecified","equipment_limit":null}]}