The Dutch Maasgeul is subject to very heavy shipping traffic. For guarantying this traffic’s safe passage, up-to-date and accurate information on the water depths is of utmost importance. Whenever the water depth drops below specified values, dredging operations are executed. For ensuring dredging to be done timely (safety), but not too often (costs), regular measurements of the water depths are carried out by Rijkswaterstaat (RWS). Read More