I have a new well that I'd like to get outfitted. Drilled to 620'. The static water level is at 367' producing 4gpm at 400', 11gpm at 495', and then 18gpm at 575'. It is 6" cased to 315' with 4' pvc liner all the way down the hole with perforated sdr17 from 392 to 432, 452 to 532, and 552 to...