Low water levels in the Rhine delta are causing problems for owners of Dutch houseboats, with no sign of an imminent end to the drought. The problems for dried-up houseboat owners go further than being stuck above dry land. We want it to be better regulated nationally for everyone who has to deal with low water levels.” Owners also face problems when the river levels rise again, as exposed houses can become stuck to their bases, causing them to flood rather than float. Gert Schols, shipping expert at insurance company EOC, said: “We advise houseboat owners not to go on holiday in periods of extreme drought or arrange a housesitter.