There is no reason to pay a lot of money for a water pump if this unit will do all you want. The cost is very low.
The materials list is for a 100 foot well; adjust this to meet your well depth.
Materials list
1/8" strong woven nylon line, 110 feet
110 feet of 1-1/4" plastic (PVC) pipe
110 feet of 1/2" plastic (PVC) pipe
1 box of 100 stainless steel screws 3,8"
long
1 well cap (built or bought)
1 stainless steel clamp to hold bottom
pipes together
1 stainless steel clamp to hold 1-1/4"
pipe at top of well cap
1 stainless steel clamp to hold 1/2"
pipe at top of well cap
2 1-1/4" 90 degree elbows
2 1/2" 90 degree elbows
1 roll duct tape
screening ...