looking to purchase a home with a 6 inch well. not sure of depth. i presume, based on the area and grade, roughly 80-120 ft. ANYWAYS this house is to be renovated and one of the things i would like to upgrade is the well. appears to have decent pressure but is the typical up and down pressure. are there pump/tank combos that can avoid this pitfall? last six years on a high quality community well has spoiled me. thanx in advance.