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Home » Well Water » How To Know If Your Well Is Running Dry: The Warning Signs

How To Know If Your Well Is Running Dry: The Warning Signs

November 29, 2019 by Nick LoPresti 4 Comments

Always having clean cool water from a well is usually taken for granted. Until one day it changes.

It doesn’t seem possible to run out of water from a well, but it does happen. When it happens it is never overnight, however.

There are always warning signs that it is about to run dry. If you are aware of the signs, then you will recognize in advance that it is about to happen.

In this article, I will go over those signs to watch for and also what could be confused for a dry well. Nothing is ever cut and dry so read on to see if your well is actually running out of water. Then, a few thoughts on how to fix a dry well.

In this article:

  • Signs that you’re running out of water
  • The Well is Pumping Air
  • Your Water Is Sandy Or Muddy
  • The Pump Is Always Running
  • Water Tastes and Smells Funny
  • Neighbors Also Report The Same Problems
  • How To Check Your Well Water Level
  • Why would a well stop working?
  • What to do when water well runs dry?
  • Why do wells go dry?
  • Drought
  • Too much pressure
  • Environmental changes
  • Frequently Asked Questions
  • Conclusion

Signs that you’re running out of water

You could be just having a problem with the pump, or the casing leaking. I’ll talk more about that later in the article, but for now, take a look at these signs of a well running dry and see if any of them are familiar.

The Well is Pumping Air

If you turn on a fixture like a faucet or a shower and it blasts air, then something is wrong.

It’s likely that the water level has dropped and there is air getting pumped in with the water.

This is not a sure sign as it can be a faulty pump, but it is something to set the alarm bells ringing and needs to be checked out.

Your Water Is Sandy Or Muddy

When the water sputters out of the tap and also looks like it has some sediment, then it could mean that your well is about to run dry.

Some wells have sediment even when they aren’t running dry. Many people use a sediment filter for their well water since a pump is usually located near the bottom of the well. 

Murky or sandy water on its own is not a sure sign. However, if you have a filter and it still has lots of sand and you’re seeing some of these other signs, then it is time to be concerned. 

If you don’t see any other signs besides this one and don’t have a sand and sediment trapper, then this is a good time to get one.

The Pump Is Always Running

As your water level gets lower, the pump will struggle to build up enough pressure to get the water out. You’ll hear the pump on for much longer than it used to.

Another sign is the pump switching on and off continuously. Usually, the pump is deep under the water, but when the level drops, it is always trying to get that water into the pressure tank.

Water Tastes and Smells Funny

The bottom of your well is a murky place. If your water is low, then the sediment gets kicked up and swirls around the pump. Ordinarily, this would be undisturbed at the bottom of the well and the pump would have plenty of clean, fresh water to pump.

If the water looks yellowish, then this usually means that there are some organic particles suspended in the water. Water level dropping to the bottom can cause this to happen.

White or cloudy water means essentially the same thing but it can also include non organic sediment.

This can be caused by agricultural contamination. If you have a farm nearby then this could also be the cause of your well running dry since there will be more pressure on the water table.

Neighbors Also Report The Same Problems

If any of these issues start to happen out of the blue then ask around your neighborhood. If your neighbors are also well owners then they will have the same issues. They are accessing the same water after all.

If they have the same problems then chances are it is a problem with the aquifer.

You’ll need to check your water level to see what you are looking at. 

How To Check Your Well Water Level

Don’t use the ice cube trick! Let me get that out of the way. Some people will tell you to drop an ice cube down the well and count how long it takes to hit the water as a well water level indicator.

Not only is this method not accurate, but you risk contaminating your well. Ice cubes, especially from an ice cube machine on your fridge, are notorious for containing bacteria and mold.

Instead, use a water level meter to accurately test it. Solinst make the most reliable ones and can be purchased from Amazon. I think every well owner should have one as you never know when you will need it.

Checking the water level is the first thing you should do when you see any of these signs. If your level is low, then your well is running dry.

If your water level is fine then read the next section as it details what the issues might be.

Read More!

On the fence about whether or not to keep your well? Here is a comparison between well and city water. Read on for more details by clicking the link.

Why would a well stop working?

If your well has suddenly stopped working, then that is due to a mechanical issue and not that your well has run dry.

You’ll see all or most of those signs I listed above when your well is running out of water. It can happen quickly, but not suddenly and without any warning signs.

Sometimes people think that their well has run out of water when the problem is actually a faulty well pump. It could be that the pump is broken or clogged. Another possibility is that your pressure tank is too small for your water demand.

The first thing to figure out if you are not getting any water is if those are factors. Check to make sure that your pump and tank are working properly and have power.

What to do when water well runs dry?

Before you make any decisions, contact a well professional in your area. They will give you the best advice based on your unique situation.

Here are some things that you’ll likely have to decide after consulting with a pro:

  • Cleaning the sediment – Over the years, your sediment at the bottom of the well builds up. If it has accumulated to the point that your well is shallower than ever then you can have it cleaned. 
  • Lower the pump – If you have a lot of new neighbors that also have well, or a new business that uses lots of water, then your aquifer may be stressed. In this case, you may be able to solve the problem just by dropping the pump down lower into the well.
  • Deepen the well – You may need to dig down further to access more of the water table.
  • Dig a new well – There could be another spot on your property that allows easier access to the aquifer underneath. We had three wells dug before we got the right spot that gave us enough water. You may be running out of water because of the location. If your well is relatively new then this is probably the issue.
  • Hydrofracking – The worst case scenario is that the water is blocked in the rocks and fracking is needed to open them up. For about the same cost as digging a new well, you can hydrofrac instead. It may not be an option in the area where you live, however.

Why do wells go dry?

If your well goes dry, it doesn’t mean that you will never have water in it again. The recharge frequency depends on a few things, so you may have to wait it out.

Here are some issues that cause wells to run out of water, even if only temporarily.

Drought

Wells are not underground lakes. A well is just an opening in the rocks or soil that collects water that is underground. As such, it is highly dependant on precipitation.

Drought conditions will impact the well water level. How quickly it replenishes after it rains or snows depends on the material where your well is located.

Too much pressure

If there is some new construction nearby and lots of people are drawing water out of the same aquifer, then this puts too much pressure on the water table. It can take a while for the water to recharge in your well depending on how many people are now using it. 

If a new farm started operating since you got your well, then this will have a major impact.

A new housing development in your area that uses well water will also impact how much water is in the aquifer. 

Environmental changes

This ties in with drought, in a way. A drought may temporarily affect your well if it doesn’t last long. When the overall environment changes, it may not allow the well to replenish the water. 

The environment may be permanently in a drought phase due to climate change, a river being dammed or diverted, over-irrigation for agriculture, or some other reason. Once the aquifer is depleted, it may not make a comeback.

A demographic shift could also be to blame if a city grows too quickly.

Frequently Asked Questions

What happens to a water pump if the well goes dry?

If it is left running, then the pump will fail. Eventually, the shaft will seize and the motor will burn out.
If that happens then the only thing you can do is to buy a new pump. Obviously, without water you have no use for a pump so solve the dry well issue first and worry about a new pump after.

How much water does a well hold?

Unfortunately, this is the same as asking how long is a piece of string. It highly depends on so many factors that it is impossible to answer. There are a couple of things that get confusing when discussing well capacity, however.
Some people mean how many gallons per day can a well provides and not how much water will the well have over the course of its lifetime. The capacity is how much water is in the well and how long it takes to replenish so you always have access to clean water.
The other is flow rate. That is determined by your equipment and the dimensions of the well.

How long does a well last?

A well can last thousands of years or it can last 20 to 30. If you are the only one drawing water in that area it will last you a lifetime barring any environmental changes.
If there is a boom in development in your area that will severely impact how long that well is able to replenish enough water to continue working.

Conclusion

If you’ve read this far and still have questions about the warning signs to look for if your well is running out of water then drop a line below. I will get back to you as soon as possible!

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Reader Interactions

Comments

  1. Cheryl says

    August 14, 2020 at 2:29 am

    I am buying a home that has a well. I currently have city water. I am afraid of the well because of lack of knowledge, and because I can’t afford to have a lot of expenses with the well. Is owning a well more expensive than just utilizing city water. With city water I have a predictable bill each month.

    Reply
    • Nick LoPresti says

      August 16, 2020 at 2:47 pm

      Hi Cheryl, sorry for the late reply but I was on vacation.
      You will spend less overall with a well than you will with city water with one big caveat. You will be spending money on occasional testing and upgrading of things like the pump and other items. So, in other words, your expenses will be less predictable. You could have a pump motor burnout on you and suddenly you have to spend a few hundred dollars, for example. But over the lifetime of the well, you will likely spend less. The beauty of a well is tha† if there is a water ban or you have high water demand like for a pool or big garden then you don’t have to worry about the cost.

      Reply
  2. Julie says

    October 17, 2020 at 1:11 am

    Just yesterday I was running back to back showers with five adults and 2 children, doing sinks full of dishes, and washing vehicle with the outside water hose. I then drained my pressure tank to get the right PSI setting Of 28 because we’d never set this right in the first place. After we turned well back on, I can’t get enough water in lines to raise pressure tank to 50 psi. We’ve checked all mechanics and all seems working properly, pressure switch is kicking on the pump, the pump pushes water to 40 psi then stops. It seems as if the well ran dry over night and is taking an hour at least to recover. We did take main supply line off pressure tank and turned on the well. Water blasted out for 10 seconds then trickled out. You stated that a well can’t run dry over night but it appears ours did. If you don’t think that’s possible, what other avenues can I check? As I stated, the pressure switch is kicking on the well pump, the pressure tank seems fine and now has the correct PSI, and the well pump runs beyond the time water stops flowing. It’s a deep well 115ft, pump is sitting 10 feet off the bottom, and we’ve had a below average rainfall but not a total drought. Do you have any other suggestions? Thanks

    Reply
    • Nick LoPresti says

      October 17, 2020 at 9:00 am

      Hi Julie
      It sure does sound like you’ve run dry but it’s hard to say for sure. It could be that you’ve been going dry for a while but was still able to provide the pressure you needed so you didn’t notice. The only way to know is to check the depth and see how much water is down there. You can use a water well sounder like this one from Amazon, but they’re quite pricy. I think you may want to call a well expert and have them come check it out. It will cost some money but if your well does run totally dry you can risk your pump burning out which will be more expensive.
      Sorry, I can’t more than that.
      Nick

      Reply

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