{"id":"0918426e-f143-4cd2-a5b8-1f55f4ab90dd","created_at":"2025-09-04T14:24:26.047Z","updated_at":"2026-01-20T20:39:51.209Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"0e46a508-efee-4fd3-80ef-b2b15afc37d1","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2012-07-31T04:00:00.000Z","observed_at_local":"2012-07-31T00:00:00-04:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 9.18mg/L is outside the expected range of 8.4-8.81mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/160826","readings":[{"id":"ffdfbfdf-0748-4a04-b140-0ef1c7716549","created_at":"2025-09-04T14:24:26.091Z","updated_at":"2025-09-04T14:24:26.091Z","parameter":"ph","unit":"std_units","value":"8.67","equipment":"unspecified_ph","equipment_limit":null},{"id":"29a51e17-2dbe-465f-adb6-8ff400851bd7","created_at":"2025-09-04T14:24:26.114Z","updated_at":"2025-09-04T14:24:26.114Z","parameter":"oxygen","unit":"mg_l","value":"9.18","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"8e53ce83-473a-4c45-a5d8-0a3e3328c5a2","created_at":"2025-09-04T14:24:26.135Z","updated_at":"2025-09-04T14:24:26.135Z","parameter":"total_phosphorus","unit":"ppb","value":"10","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"58394260-7b0f-4018-9e7a-00c672ed2419","created_at":"2025-09-04T14:24:26.148Z","updated_at":"2025-09-04T14:24:26.148Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"430","equipment":"lab_unspecified","equipment_limit":null}]}