I'd be careful. Water that you drink will be more damaging to a plant than it will be to you. Well water also often has bacteria or fungus spores/colonies in it. If your water is not pristine you can get an RO filter or a rainwater collector. I would also suggest you test the EC and pH of the water. Also, know that over the course of the the rain index changes, meaning that your tds may differ from one season to the next. Keep an eye on it if you don't filter it further.