 The HQ is in Mainz and there are 10 river police stations along the Rhine, Lahn, Saar and Moselle in Rhineland-Palatinate.The stations at Germersheim, Ludwigshafen, Mainz, Bingen, St. Goar and Andernach are responsible for the Rhine only.The stations at Bernkastel and Cochem cover only the Moselle.