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Old 06-27-2010, 08:55 AM   #1
wcp
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Intermittent Low Pressure, "Sluggish" Pump Sound, Well


I have a well for my home water supply. The water pressure and supply have been fine for the last 10-years (the house is 12-years old). Yesterday, I turned on the lawn sprinkler and my daughter was taking a shower at the same time. I noticed very low pressure when I then turned on a faucet. I went to the tank/piping inlet from the pump and the sound was different than normal. There is normally a distinct and clear activation of the pump, consistent clicking of the pump (relay?) while the pump is operating, and a clear shut-off of the pump. In this case, the clicking was faint and intermittent, as if the pump was trying to "catch up". It faded in and out and the pressure at the inlet was ~20-psi. I also heard "slugs" in the line, as if there was intermittent air passing through. I shut off the lawn water and then the house water at the supply. Again, the clicking was faint, but the pressure slowly built up to ~60-psi and the pump shut off. We then used water normally, but not excessively, and the pressure seemed OK (I didn't monitor sounds or operation at the tank). Today, I turned the other lawn sprinkler on while my wife was washing clothes and noticed the extreme drop again. At the tank, I heard the same sounds as yesterday. Any thoughts?

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Old 06-27-2010, 09:38 AM   #2
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Intermittent Low Pressure, "Sluggish" Pump Sound, Well


We need more information on the well.

What size, where is your pump and does the well have a screen in it??

Have you ever changed the tank?

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Old 06-27-2010, 01:15 PM   #3
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Intermittent Low Pressure, "Sluggish" Pump Sound, Well


I assume you mean pump size because I don't have a clue the well size. The pump is a Gould's 5G505422 listed at 1/2 HP, but there is no head or flow listed. The pump is a submersible pump located in the well.

I have no information indicating whether there is a screen installed or not.

I checked the tank pressure...it's 56-psig. The tank is the original installed in June of 1998.
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Old 06-27-2010, 02:50 PM   #4
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Intermittent Low Pressure, "Sluggish" Pump Sound, Well


Quote:
Originally Posted by wcp View Post
I assume you mean pump size because I don't have a clue the well size. The pump is a Gould's 5G505422 listed at 1/2 HP, but there is no head or flow listed. The pump is a submersible pump located in the well.

I have no information indicating whether there is a screen installed or not.

I checked the tank pressure...it's 56-psig. The tank is the original installed in June of 1998.
That is helpful.

Can you turn the water off before the tank??

If so try that and see if the pump still kicks on.

This will tell you if it is leaking in the well or, the water line.

You could also take the cap off the well and listen for any water running sounds.

Ask you local health department if they have a copy of a well log or, if they know how you would get one.

At this time I am leaing toward a bad tank.
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