{"id":"b9c002f9-f340-4e25-b3d8-4706c195c803","created_at":"2025-08-29T18:26:58.830Z","updated_at":"2026-01-20T20:12:46.347Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"2f7fea6e-b9ed-48ac-825e-a9fa94c02155","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2017-05-18T16:00:00.000Z","observed_at_local":"2017-05-18T12:00:00-04:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 11.09mg/L is outside the expected range of 6.4-10.4mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","calcium","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/114349","readings":[{"id":"6f3ca646-8226-47c6-86db-fe76f3e92c8d","created_at":"2025-08-29T18:26:58.864Z","updated_at":"2025-08-29T18:26:58.864Z","parameter":"ph","unit":"std_units","value":"8","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"cb901e15-664b-4ea6-bb75-34b2afbd6712","created_at":"2025-08-29T18:26:58.869Z","updated_at":"2025-08-29T18:26:58.869Z","parameter":"oxygen","unit":"mg_l","value":"11.09","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"a190931b-79c6-4543-8440-56316fb5914c","created_at":"2025-08-29T18:26:58.872Z","updated_at":"2025-08-29T18:26:58.872Z","parameter":"calcium","unit":"mg_l","value":"40","equipment":"unspecified_calcium","equipment_limit":null},{"id":"b6842550-7508-4776-97cf-27beb719fe2a","created_at":"2025-08-29T18:26:58.876Z","updated_at":"2025-08-29T18:26:58.876Z","parameter":"secchi_depth","unit":"m","value":"4.25","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"1eaa4d3d-7432-4d97-8334-0fa8743704f8","created_at":"2025-08-29T18:26:58.880Z","updated_at":"2025-08-29T18:26:58.880Z","parameter":"oxygen","unit":"percent","value":"108.4","equipment":"other_do_multimeter_percent","equipment_limit":null},{"id":"4f5d4e73-8b2a-4fb5-ad92-bda64b8f3b46","created_at":"2025-08-29T18:26:58.884Z","updated_at":"2025-08-29T18:26:58.884Z","parameter":"total_phosphorus","unit":null,"value":"7","equipment":null,"equipment_limit":null},{"id":"fd4d365c-1c24-4407-96f8-09422c527104","created_at":"2025-08-29T18:26:58.889Z","updated_at":"2025-08-29T18:26:58.889Z","parameter":"water_temperature","unit":null,"value":"14.5","equipment":null,"equipment_limit":null}]}