{"id":"d59b8316-9f71-4c56-ace4-bd6aba2787b2","created_at":"2025-09-04T14:34:51.034Z","updated_at":"2026-01-20T20:58:18.505Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"fdcc48cb-10d9-4957-9387-4e51ddc2ddf4","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-07-21T16:00:00.000Z","observed_at_local":"2016-07-21T12:00:00-04:00","notes":"Sample: B16-21583-5","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 4mg/L is outside the expected range of 6.89-12.76mg/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/165238","readings":[{"id":"00fb31d3-47f5-4fd0-99c1-b9241f9df444","created_at":"2025-09-04T14:34:51.108Z","updated_at":"2025-09-04T14:34:51.108Z","parameter":"oxygen","unit":"mg_l","value":"4","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"bff697ea-5383-4d0c-b7d7-078c7ce59ed0","created_at":"2025-09-04T14:34:51.118Z","updated_at":"2025-09-04T14:34:51.118Z","parameter":"total_phosphorus","unit":"ppb","value":"6","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"cd823d0e-c5a0-4e10-9187-bff3681b0170","created_at":"2025-09-04T14:34:51.126Z","updated_at":"2025-09-04T14:34:51.126Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"250","equipment":"lab_unspecified","equipment_limit":null}]}