{"id":"18796b04-3a27-4fa3-bf7f-27a581adf5f5","created_at":"2025-09-04T14:24:23.935Z","updated_at":"2026-01-20T20:39:47.365Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"0e46a508-efee-4fd3-80ef-b2b15afc37d1","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-06-16T04:00:00.000Z","observed_at_local":"2005-06-16T00:00:00-04:00","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/160805","readings":[{"id":"c91285fc-1abe-4e87-8ad5-7399325f1fe1","created_at":"2025-09-04T14:24:23.978Z","updated_at":"2025-09-04T14:24:23.978Z","parameter":"total_phosphorus","unit":"ppb","value":"17","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"4b9a7fb2-cb6f-470a-87a7-f1857bcfcdeb","created_at":"2025-09-04T14:24:23.988Z","updated_at":"2025-09-04T14:24:23.988Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"530","equipment":"lab_unspecified","equipment_limit":null}]}