{"id":"363c4e96-5cd0-46b8-9e18-7795a6302101","created_at":"2025-09-04T14:27:39.964Z","updated_at":"2026-01-20T20:48:06.187Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"9194fabc-045d-450f-b682-a9cfec5759df","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2013-08-19T04:00:00.000Z","observed_at_local":"2013-08-19T00:00:00-04:00","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/162450","readings":[{"id":"f953311c-d867-4a0c-9bd2-0eb81000a4ad","created_at":"2025-09-04T14:27:40.020Z","updated_at":"2025-09-04T14:27:40.020Z","parameter":"total_phosphorus","unit":"ppb","value":"5","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"ab318d5f-b33b-4681-82e0-266725ad8469","created_at":"2025-09-04T14:27:40.030Z","updated_at":"2025-09-04T14:27:40.030Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"390","equipment":"lab_unspecified","equipment_limit":null}]}