The well is 125ft how deep should I go with my drop pipe and what size pump should I use how many feet off the bottom should I stay because now I am at about 40 ft and I put a shallow well pump 1/2 horse power and I never could get any water when I put a string in there I got water about 10ft down down to the bottom which was about 125ft what kind of well point should I use because I have about an 1 1/4 well point plastic pvc. Please help for elderly couple trying to help them.