The Amersfoort sewer company Ontstoppingsdienst.nl endorses this: “Because if you pump it empty, there is a chance that it will be full again within a day,” says a spokesperson. “If there is no leakage and the water does not have a bad odor or color, there is no harm in a crawl space being flooded. As soon as the groundwater level is low again, it will subside automatically.”
Wet crawl spaces and sold out submersible pumps: what to do if there is high groundwater under your house?
