Water Pressure

The normal pressure for your property will depend on its physical relationship to the water storage tanks, booster pumps and wells.  If your home is at a high elevation relative to our tanks, you will have very low pressure.  Conversely, the lower your home is located downhill from the tanks, the higher the pressure.
Water pressures in certain areas are based on storage tank water levels, assisted by the use of booster pumps.

High Pressure: 

Many homes in Grayson have a pressure reducing valve (regulator) installed according to local uniform plumbing code. Existing homes experiencing high pressure may have a malfunctioning regulator. You may notice symptoms of high pressure:
"Clanging" or "rattling" pipes may occur when a faucet, dishwasher or washing machine shuts off. This is caused by a high-pressure water hammer. Water heater pressure relief valve malfunctions. Reoccurring leaks.

Hint: If your house has particularly high water pressure, you may want to turn off the water supply to appliances such as dishwashers and washing machines when you go on vacation. This may prevent water damage caused by a ruptured supply hose. You might also want to turn off your house shutoff valve. However, if you do this, you may not have water for your irrigation system.

Low Pressure:

If your house is located in a low-pressure area, the only way of increasing pressure is to install a booster system. In the event you experience sudden drops in pressure, we recommend you investigate the following possibilities:

  • leaking water mains (utility's responsibility) 
  • leaking service line between meter and house (customer's responsibility)
  • water meter valve shut off customer's house valve shut off customer's water softener malfunctioning (use by-pass feature)
  • pressure regulator malfunctioning (customer's responsibility) 

Changes Over Time

If your water pressure slowly decreases over time. Potential problems/causes are:

  • reduced water flow/volume due to deteriorating galvanized service line between meter and house (customer's responsibility) 
  • intermittent pressure regulator malfunction plugged faucet aerators screens (customer's responsibility)

If you are unable to determine the problem or whose responsibility it is to repair, please call our office at (606) 474-7569. Our staff will be happy to assist you.


Thanks to the Green Valley Water Company of Arizona for allowing us to use this article.


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