Wales, Wisconsin
308 Universal St
Wales, WI 53183
(262) 968-2525

3 Steps to Remedy a Waterlogged Pressure Tank February 21, 2019

Wales, Waukesha
3 Steps to Remedy a Waterlogged Pressure Tank, Wales, Wisconsin

Waterlogging is a common problem with water well pressure tanks. It occurs when the tank has too much water and not enough air. This tends to happen when the unit is running on a more or less constant basis, throwing off the ratio of water and air necessary for balancing the conditions inside the tank. Below are a few steps to remedy a waterlogged pressure tank.

The 3 Steps of Fixing a Waterlogged Pressure Tank

1. Power Off the Pump

First, you'll need to disconnect the pump from the power source. You don't want to be near water if you touch an electrical switch or live wire, as this could cause electrocution. Disconnecting the power source is the safest way to avoid this risk. Locate the breaker that supplies electricity to the pump and shut it off. 

2. Drain the Water

Next, use a standard garden hose to drain the water from the pressure tank. Attach the hose directly to the drain, which is typically located at the bottom of the unit. Open the valve and let all the water drain out; depending on the size of the tank, this may take several minutes.

3. Check the Air Pressure

pressure tanksOnce the tank has been emptied, check the air pressure with a tire gauge. In most cases, you will want to adjust the air pressure to 30 psi. If it's possible to adjust the pressure, do so before reactivating the system, and flush it out until all the water runs clear.


If you encounter issues with this process, or it is not possible to adjust the pressure after emptying the tank, contact a professional. Guthrie & Frey offers well pump repair and water system maintenance—including issues involving the pressure tank—to property owners throughout Waukesha County and Southeast Wisconsin. For more than 35 years, they have been the repair and installation professionals of choice for both routine and emergency water well issues. Schedule service today by calling (262) 968-2525 or contacting them through their website.

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