Answer: aquifer

AnswerCrossword Clue
AQUIFERWater-bearing rock
AQUIFERGround water source
AQUIFERUnderground water source
AQUIFERWater bed
AQUIFERFreshwater source
AQUIFERIt's often comprised of sandstone
AQUIFERWellspring
AQUIFERWell driller's target
aquifera water-bearing stratum of permeable rock, sand, or gravel
aquiferany geological formation containing or conducting ground water, esp. one that supplies the water for wells, springs, etc.
aquifera water-bearing rock formation, also AQUAFER