{"id":"a399a55c-0fc3-4f0b-bc51-47e09b110a06","created_at":"2025-09-04T14:34:55.934Z","updated_at":"2026-01-20T20:58:23.431Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"73153a7c-b84d-4ea0-8211-31ef7c2d2059","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: B16-18580-17","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 4.9mg/L is outside the expected range of 6.1-13.66mg/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/165267","readings":[{"id":"bb06cbbc-ad0b-4886-928a-095be4f802d4","created_at":"2025-09-04T14:34:56.015Z","updated_at":"2025-09-04T14:34:56.015Z","parameter":"oxygen","unit":"mg_l","value":"4.9","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"46d8828c-8ac9-400c-8d64-0384d001e34d","created_at":"2025-09-04T14:34:56.040Z","updated_at":"2025-09-04T14:34:56.040Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"5d156adb-c025-432d-b5d8-2b1918410d5e","created_at":"2025-09-04T14:34:56.059Z","updated_at":"2025-09-04T14:34:56.059Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"330","equipment":"lab_unspecified","equipment_limit":null}]}