An in-ground water distribution assembly includes a ground water capture cup with a top rim defining an open end, a location spike fitted to the bottom of the ground water capture cup, the location spike extending downward orthogonally from the bottom of the capture cup, a plurality of vertical support risers connected or seated in riser seats distributed about the inside wall of the capture cup, the vertical risers extending upward and at angle inward toward center of the capture cup and fitted to a vertical feeder tube, and a water pressure flow regulator having an inline feeder nozzle and an egress pressure valve mechanism connected to the feeder tube at top center of the assembly.