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1. What is a Pressure Reducing Valve (PRV)?

A PRV is an adjustable mechanical device designed to keep water pressure between 25 and 75 pounds per square inch (psi).

2. At what pressure is a pressure reducing valve (PRV) recommended?

The Universal Plumbing Code (UPC) recommends to use a PRV if your water pressure is 80 pounds per square inch (psi) or higher.

3. What is the state minimum pressure requirement?

The Universal Plumbing Code (UPC) minimum is 20 pounds per square inch (psi).

4. What does static-residual pressure mean?

• Static-residual pressure is measured with a pressure gauge that reads pounds per square inch (psi).
• Static pressure is the reading with no water running.
• Residual pressure is the reading with water running.

5. Why does water pressure vary throughout the District?

The district has lots of hills and valleys if you are at the top of a hill you might have lower water pressure, if you are in a valley you could have higher pressure. These areas are referred to as pressure zones.