{"id":"648caa77-2393-4cc5-9118-101433da940f","created_at":"2025-08-20T17:42:07.290Z","updated_at":"2026-09-21T18:31:38.178Z","owner_id":"436aa85d-4184-4ad9-a749-722a87d56665","location_id":"11a93164-10f7-461c-b8b9-c861831d5b49","dataset_id":"158ccac2-36b2-4a3e-a62e-106d04f8eb1b","form_id":"83721d81-fc54-4770-a562-d9f9059fe7c7","observed_at":"2011-04-28T14:33:00.000Z","observed_at_local":"2011-04-28T10:33:00-04:00","notes":"","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":"1101904d-b082-4ade-b6a8-17659047a505","qa_admin_notes_updated_at":"2026-02-25T18:32:01.914Z","tested_parameters":["phosphate_phosphorus"],"photos":[],"permalink":"https://data.waterrangers.com/observations/75198","readings":[{"id":"3dc2c00d-df36-4b2d-a4aa-16e1bdbe3cd6","created_at":"2026-02-25T18:32:01.983Z","updated_at":"2026-09-21T18:31:38.177Z","parameter":"phosphate_phosphorus","sub_question":null,"qualitative":false,"unit":"ug_l","value":"10.7","equipment":"lab_total_phosphorus_persulfate","equipment_limit":null}]}