I say if you can afford to have the well drilled, then do it. As others have said, with the regulation crazy world we are living in, you never know when a moratorium on will drilling could be put in place.
As for the aeration issue, my two acre pond is filled solely by a well. There is no run-off or ground water flow into the pond. The well can raise the water level between 1 1/2 and 2 inches in a 24 hour period. The water comes out of a 6 inch pipe, falls about three feet onto a broken pile of concrete, and flows into the pond. I did this to help oxygenate the ground water as it enters the pond. Does it work? I have never had a fish kill as a result of pumping water into the pond. I usually run the well for three consecutive days every month or every other month in the spring, summer, and fall (ice-out to freeze up).
