We turn the park water on only to fill our camper water tank, then we turn the park water off and use the coach pump. I can hear it go on and go off. Sometimes, when we leave the coach for an all day trip, I turn the coach pump off and hit the commode flush one time just to lessen the pressure some. We have stayed at that park in San Antonio one of the previous posters mentioned and they will tell you the pressure will get in the mid 60s at night. We are have a pressure regulator and gauge at the park's water faucet..... always.