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Our (well water)tank - psi pressure comes on at 50psi. It takes 10 mins (more or less) to cut off It does this every approx 10 mins? Been doing this for about 10 days,as soon as it reaches 28-30 psi,it starts the cycle all over again..dread to think what the next water bill will be.. No visible leaks anywhere .. no faucets dripping, no toilet cistern tanks leaking into (toilet) bowl(s).Btw There is a bladder inside the tank with shrader on top. valve at top? Water is also very hot now, almost unbearable.? Pressure seems to "pulsate?"Any help with this would be sincerely appreciated..

Bill S
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    Power bill, perhaps. Water bill should not apply if you have a well. – Ecnerwal Mar 12 '23 at 13:36
  • This is a bit unclear. It takes 10 minutes to pump up and 10 minutes to leak down, (which would imply a 20 minute cycle) or it takes 10 minutes to pump up and no time at all to leak down if it's "doing this every 10 minutes"? Where is the pump located? – Ecnerwal Mar 12 '23 at 13:41
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    Hot water and a long time to charge up, sounds like low water level in the well. – crip659 Mar 12 '23 at 13:44
  • Hi ecnerwal... Thank you for you kind reply. Sorry I meant the power bill... Not water bill as indeed it is a well. ☺️ – Bill S Mar 12 '23 at 14:13

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Shut off the main valve to the house - if the problem remains, there's a leak down the well. Typically a failed check valve on the pump, but could be anywhere in the well-side piping.

If the water coming out of the well is unbearably hot, the pump is overheating.

Seems most likely that you'll need to pull the pump (if submersible, you don't mention where it is) and investigate, or have a well service do so.

Ecnerwal
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  • Hi ecnerwal... Thank you for you kind reply. Sorry I meant the power bill... Not water bill as indeed it is a well. ☺️ Regarding the duration of the water turning on /off: what happens is, the water gauge at pump goes down to 30psi.then goes immediately up to 50 psi, when it reaches that point, the gauge SLOWLY starts to go down over a period of approx 10 minutes... When it reaches 30psi, it goes immediately back up to 50 psi. This cycle repeats ower and over... I hope that I better description regarding the problem. – Bill S Mar 12 '23 at 14:26
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    Going **immediately** to 50 means you have a failed bladder tank. That may be only *part* of your problem by this point. Turn everything off, drain the water out, try pumping air into the tank through the Schrader valve (which may cause more water to come out, depending on the failure mode of the bladder - leave the drains open.) Probably it won't hold air pressure. If the leak is slow, you can get it to 28 PSI and try turning the pump back on - it might work better until you can get a new tank - depends what else has been affected (pumps don't love being overheated, & It's leaking somewhere.) – Ecnerwal Mar 12 '23 at 14:35
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    Since you didn't directly answer that question: does "water gauge at pump" mean you have a surface mounted pump? Does it have one or two pipes to the well? If two pipes, it's a jet pump, and if you end up replacing a jet pump, you should strongly consider using a submersible pump rather than replacing like for like with a jet pump. They are inefficient holdovers from a time when electric motors were less reliable than they are now. But re-priming it might help, if it's got air in the loop causing problems. – Ecnerwal Mar 12 '23 at 15:03