{"id":"8f8c7abd-87c7-46e3-8ae2-1ebcc88696c4","created_at":"2025-09-04T14:29:52.417Z","updated_at":"2026-01-20T20:51:32.634Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"27d807d9-bcb5-4274-a083-b10fb4c414ba","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2008-07-22T04:00:00.000Z","observed_at_local":"2008-07-22T00:00:00-04:00","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/163309","readings":[{"id":"80aefffa-cd92-4403-aacf-b8d5c058d190","created_at":"2025-09-04T14:29:52.829Z","updated_at":"2025-09-04T14:29:52.829Z","parameter":"total_phosphorus","unit":"ppb","value":"25","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"58339cf1-51e8-4613-905d-25867aa39f1f","created_at":"2025-09-04T14:29:52.857Z","updated_at":"2025-09-04T14:29:52.857Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"350","equipment":"lab_unspecified","equipment_limit":null}]}