{"id":"1a8b3cb0-44e3-4c02-9d17-f015f307a82a","created_at":"2025-09-04T14:34:55.455Z","updated_at":"2026-01-20T20:58:22.718Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"541de925-48dc-4008-880c-d53dab7e435b","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-06-29T16:00:00.000Z","observed_at_local":"2016-06-29T12:00:00-04:00","notes":"Sample: B16-18580-19","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 5.1mg/L is outside the expected range of 6.19-12.26mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/165263","readings":[{"id":"9e21a37f-8e4d-405e-881e-2fb311a41d8b","created_at":"2025-09-04T14:34:55.528Z","updated_at":"2025-09-04T14:34:55.528Z","parameter":"oxygen","unit":"mg_l","value":"5.1","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"f539bdff-32c5-4feb-9076-4bf65dc849e1","created_at":"2025-09-04T14:34:55.583Z","updated_at":"2025-09-04T14:34:55.583Z","parameter":"total_phosphorus","unit":"ppb","value":"11","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"f5ab60e9-6bac-46d7-8bf8-88e7e1200a24","created_at":"2025-09-04T14:34:55.599Z","updated_at":"2025-09-04T14:34:55.599Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"350","equipment":"lab_unspecified","equipment_limit":null}]}