Deep well dewatering systems lower groundwater using a series of drilled wells, each fitted with an electric submersible pump. Deep gutt Systemer ginn dacks benotzt fir Waasser aus pervesch Formatiounen ze läschen, déi gutt ënner der Ausgruewer ze verlängeren. This allows wells to be placed on relatively wide centers and requires that they be drilled much deeper than wellpoints.