I HAVE A 25 FOOT DEEP X2 AN A HALF FOOT AROUND WELL (WAS HAND DUG MANY YEARS AGO AN STILL PRODUCES GOOD) WATER TABLE STAYS A AROUND 15-20 FOOT MY QUESTION IS WHAT TYPE OF PUMP AN SET UP WOULD I NEED TO RUN 3-5 YARD TYPE SPRINKLERS, I WOULD LIKE TO USE A GAS OPERATED PUMP AS I AM A LONG WAY FROM ELECTRICTY, BUT DO HAVE A PORTABLE GENERATOR.