Thanks for all the suggestions. I think we will put a thermostat that powers a light outside no matter what we do with the valves. I'm leaning towards the solenoid but am concerned about how long it will last. The light idea made me realize we could put a light that attaches to the well so it lights when the breaker for the well is on. Have to put a sign that says, "When building not in use, flip to OFF" or something like that. Not a bad idea to have a valve off inside too tho. Thanks again!