{"id":"6d3149d0-5ab2-4774-9165-b3164cfb92b4","created_at":"2025-09-04T14:28:36.941Z","updated_at":"2026-01-20T20:49:40.477Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"42777b17-f394-4e97-9320-2ec4bc97f4e7","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2004-05-18T04:00:00.000Z","observed_at_local":"2004-05-18T00:00:00-04:00","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/162856","readings":[{"id":"954cfd5e-5b14-4744-868e-23585025c4ed","created_at":"2025-09-04T14:28:37.001Z","updated_at":"2025-09-04T14:28:37.001Z","parameter":"total_phosphorus","unit":"ppb","value":"15","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"a4275223-d2d7-4b9c-bd58-5c4949e0825d","created_at":"2025-09-04T14:28:37.008Z","updated_at":"2025-09-04T14:28:37.008Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"450","equipment":"lab_unspecified","equipment_limit":null}]}