{"id":"6c9849ae-7535-4a5b-9933-577814ad345d","created_at":"2025-09-04T14:34:33.133Z","updated_at":"2026-01-20T20:58:03.857Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"e6af97fc-5f32-4b9d-a419-23fc4edc5cb5","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2009-06-18T04:00:00.000Z","observed_at_local":"2009-06-18T00:00:00-04:00","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/165159","readings":[{"id":"9857e5ae-1ab7-4162-b846-be3c653b12c5","created_at":"2025-09-04T14:34:33.173Z","updated_at":"2025-09-04T14:34:33.173Z","parameter":"total_phosphorus","unit":"ppb","value":"10","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"990fbe0f-a477-44a1-8a1f-9a6487345444","created_at":"2025-09-04T14:34:33.181Z","updated_at":"2025-09-04T14:34:33.181Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"350","equipment":"lab_unspecified","equipment_limit":null}]}