negotiations of the lippeverband with the government of north rhine westphalia and with the federal waterways authority (bundeswasserstraßenverwaltung) were finally from 1968 on leading to new regulations: the ’’wasserverband westdeutsche kanäle’’ wwk was established, consisting of representatives of the lippeverband and the water users, accompanied by the federal waterways authority and the environment ministry of north rhine westphalia