{"id":"8cfbc1a0-1c61-41a5-a6a1-d4616be1196e","created_at":"2025-09-04T14:36:09.595Z","updated_at":"2026-01-20T20:59:31.770Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"91b3f48e-bdf9-487f-ad7e-cfe7f4a5b79f","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2001-08-21T04:00:00.000Z","observed_at_local":"2001-08-21T00:00:00-04:00","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/165651","readings":[{"id":"483791b8-dafb-4800-ad4d-038762a6310b","created_at":"2025-09-04T14:36:09.685Z","updated_at":"2025-09-04T14:36:09.685Z","parameter":"total_phosphorus","unit":"ppb","value":"18","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"5be2764b-de7a-4e2a-bb09-d21729281457","created_at":"2025-09-04T14:36:09.701Z","updated_at":"2025-09-04T14:36:09.701Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"560","equipment":"lab_unspecified","equipment_limit":null}]}