I have a shallow well that has been great for many years (approx 60). I left a faucet runnig one day and forgot about it. My wife came home hours later and the well was dry. This has happened before and when the well recovers everything goes back to normal. However, this time things aren't the same. The water can trickle out of the faucets or come out in it old gang buster action. Air always precedes the water, this never happened before. Have I done irrepairable damage or can this be easily fixed by something so easy as adding water to the pressure tank??