SHORT HILLS, NJ - An important message from New Jersey American Water. New Jersey American Water will begin routine flushing of the water distribution system in your area Sunday March 27th thru April 3rd from 9pm to 4pm to ensure that you continue to receive high-quality water service. Flushing also allows us to monitor and maintain fire hydrants. When crews are working in your area, you may notice reduced pressure or discolored water. If your water is discolored, let it run until it runs clear before using. They should only take a few minutes.