Picture this scenario. You have jumped in the shower before work, lathered your hair and are about to rinse when, suddenly, the water pressure is GONE! If this should happen to you, be reminded that the toilet tank holds clean water for rinsing, however, C O L D water. If you live in Lincoln Park,avoid this discomfort by taking your shower before 9a on Monday. The City is warning that certain areas of Lincoln Park may experience low water pressure, here's why and how long you'll have to wait for the pressure to return to normal.