freedom, with your well being as shallow as it is, testing is imperative, and if there is an issue, just plan on filtering it with a Berkey or other suitable device. My well is 180′ deep down into limestone and so fortunately I will be able to use it unfiltered. It was professionally tested when we bought the place and there are no sources of pollution up on the mountain. Currently I have a whole house filter to capture any sediment but that’s not anything I worry about. I We have a water softener too, but again come SHTF foregoing that isn’t anything I worry about either.