Water levels along the Rhine river, a key waterway for transporting commodities and other products from coastal areas to inland locations in France, Germany and Switzerland, fell to their lowest since May 21, Refinitiv Eikon data showed. * Levels at the Kaub WL-KAUB location in Germany hit 201 centimetres and have been steadily declining since late June, the data showed. * Oil barge brokers said the low water levels meant barges were leaving the Amsterdam-Rotterdam-Antwerp refining and storage hub to inland locations not fully laden. * Water levels along the river hit a record low of 25 cm in October, which led to oil product shortages in Germany and Switzerland. Rhine Water Levels Graphic: tmsnrt.rs/2xMWnEQ