Water pressure is the strength at which water is pushed out from your faucets and showerheads. The water pressure psi should be somewhere between 40 and 45 psi and should not exceed 60 psi. Most pressure regulators are adjusted by turning the screw on top of the adjuster. Dealing with an unusually low water pressure can affect daily tasks like showering and washing dishes. A lighter flow can be quite annoying, especially if you have tried to make a pressure adjustment. There may be an underlying cause if you are noticing extended periods of dropping water pressure. One of the most commonly fixed culprits is a leak somewhere along the line. Even a small leak can cause a sudden drop in pressure since not all the available water is making it to the tap in use. If you think you have a potential leak, you can check around your home and basement for sudden wet spots. If you aren't seeing any new moisture but are still concerned you can turn off all taps in the home, record the water ...