{"id":"d23e1fb5-aabd-46ad-9a73-7cfaff98391a","created_at":"2025-09-04T14:34:49.831Z","updated_at":"2026-01-20T20:58:17.991Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"fdcc48cb-10d9-4957-9387-4e51ddc2ddf4","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-05-13T16:00:00.000Z","observed_at_local":"2016-05-13T12:00:00-04:00","notes":"Sample: B16-14533-15","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/165235","readings":[{"id":"d405f2cc-0829-4ec8-abb1-bcdeef10609c","created_at":"2025-09-04T14:34:50.040Z","updated_at":"2025-09-04T14:34:50.040Z","parameter":"total_phosphorus","unit":"ppb","value":"1","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"cb5ff0a9-5e8a-4ee7-8ffc-fe55797edbcb","created_at":"2025-09-04T14:34:50.093Z","updated_at":"2025-09-04T14:34:50.093Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"230","equipment":"lab_unspecified","equipment_limit":null}]}