{"id":"23fd2133-1122-4e38-a28e-e511e5d9982f","created_at":"2025-09-04T14:32:58.343Z","updated_at":"2026-01-20T20:56:20.986Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"be06b1bd-6a7f-4b87-a543-c9f8275559f6","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-06-25T04:00:00.000Z","observed_at_local":"2015-06-25T00:00:00-04:00","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/164611","readings":[{"id":"0d3faf12-4d80-4ba5-b464-ae524bfe60b6","created_at":"2025-09-04T14:32:58.413Z","updated_at":"2025-09-04T14:32:58.413Z","parameter":"total_phosphorus","unit":"ppb","value":"16","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"05d7a580-759e-4f07-a6c1-385849a4c59f","created_at":"2025-09-04T14:32:58.423Z","updated_at":"2025-09-04T14:32:58.423Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"380","equipment":"lab_unspecified","equipment_limit":null}]}