The name Riedkanal is derived from the term Ried for the area around today's Rastatt districts of Ottersdorf, Plittersdorf, and Wintersdorf. The initiative to build the Riedkanal came from the Murg District Directorate in 1812. The plan was to build a canal between Iffezheim and the mouth of the Murg, draining 32 km² of land and making it suitable for agriculture. The canal was designed to accommodate a discharge of 2 to 3 m³/s near Iffezheim and 20 m³/s at the mouth. In April 1817, the communities of Iffezheim, Sandweier, Wintersdorf, Ottersdorf, Plittersdorf, and Rastatt founded a rival association, which began building the Riedkanal in 1827. Completed several years later, the canal flowed into the Murg from the left opposite Steinmauern. The rival association was dissolved in 1906 because the distribution of the canal's maintenance costs was considered unfair. In the following years, the municipalities maintained their respective portions of the riverbank, which led to the canal being severely neglected until 1933. In 1933, the Riedkanal-Zweckverband (Ried Canal Association), which still exists today, was founded. By 1938, the current mouth of the Rhine was built, reducing the water level during floods. The culvert under the Murg was financed by the state of Baden. It is 112 meters long, consists of two pipes, each with a cross-sectional area of 4.3 m², and can drain up to 25 m³/s of water.[11] In addition, the canal was deepened and supplemented with drainage ditches, which became popularly known as "Schnakengräben" (snakes' ditches). The pumping station near Steinmauern was built in the 1960s. It is equipped with four pumps; Two pumps lift 3 m³/s of water each from the Riedkanal during Rhine floods, while the other two pumps, with 1.5 and 0.5 m³/s respectively, are responsible for the Altmurg. Source: Wikipedia - Riedkanal (Upper Rhine) w.wiki/_pZxz
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