
A high water table, partially blocked discharge lines, or burst pipes can all cause a constant flow into the pump pit:
- If the water table is too high, raising the sump pit can help. ...
- If your discharge lines are blocked, the pump will be unable to expel any of the water it collected. ...
- Burst pipes are a common cause of water forming in the sump pump. ...
Why is my sump pump always full of water?
When the sump pump is always full, either the pit is continually filled with water, the pump is malfunctioning or leaking oil. Several factors can cause a constant flow into a pump pit, including a high-water table, partially blocked discharge lines, or burst pipes.
Why is there a sump pump pit in my basement?
In a home that sits below the waterline, you can expect water to enter the basement, and it’s probably why your sump pump pit is there. However, if this extra water is sudden, it could result from a water line break nearby, and you should check with your neighbors and the local water company to find the source.
Is it normal for a sump pump pit to be wet?
First, it is usually completely normal that a sump pump pit has water in it, at least a little. If there is usually too much water, there is probably a problem, especially if you don’t ever hear your pump kick on. On the other hand, if there is continual water in the pit, that means that the pit and pump are doing their job.
What is a sump pit and how does it work?
A sump pit is a place where water and waste are collected. It is also the place where the water flows into. Now, a constant flow of water into the sump pit is not common. However, if you are experiencing this issue, you might want to look into the problem.

How does water get in sump pit?
Water flows into the sump pit through drains or by natural water migration through the soil. The sump pump's job is to pump the water out of the pit and away from the building so the basement or crawlspace stays dry.
Why is water constantly running into my sump pit?
A sump pump that is always full means there is either a continuous flow of water into the pit or a pump malfunction. A high water table, partially blocked discharge lines, or burst pipes can all cause a constant flow into the pump pit: If the water table is too high, raising the sump pit can help.
Should my sump pit be dry?
Having a routinely dry sump pit can be just as harmful to your pump as having an overwhelming, continuous flow of water. When a sump pit remains dry for extended periods of time, seals can dry out and crack. The inner workings of the pump can also seize up.
How do I get rid of water in my sump pump?
Since discharges can't be run into sewer or septic systems, the only option is to run them out into your yard. A professional sump pump installer will work with you to determine a good location for the discharge to exit your home and pump the water to a place where it can run off efficiently.
Should my sump pit have water in it?
It's perfectly normal for a sump pump pit to always have some water in it. This water can be the result of rain, snowmelt, or seepage from the ground. That being said, when the water rises to a certain level, this should trigger your sump pump's float switch. This will cause the pump to turn on and start working.
How much water should be in sump pump pit?
If you are sizing your current sump pit for a sump pump, it's important to know how much water it holds. As a general rule of thumb, for sump pits that are 18” in diameter, each inch of water equals around 1 gallon. For a 24” pit, each inch equals roughly 2 gallons.
Should I unplug my sump pump in the winter?
Never unplug your sump pump. While you might think you don't need your sump pump over the winter months, you shouldn't unplug it entirely. If a warm front comes through, snow melts and a rainstorm hits, you might end up with a wet basement all because you forgot to plug your sump pump back in.
How often should sump pump run when raining?
Generally, sump pumps can run for six to 24 hours continuously, depending on how heavy the rainfall is and the quality of your pump. The aftermath of torrential rains or even flooding puts a higher demand on your sump pump to keep your home's low areas dry.
Should my sump pump be running constantly?
Sump pumps should not be running constantly and if they are then it is more than likely that there is a problem. If water starts to enter your basement, then this is when the sump pump kicks into life and starts the process or removing water from the basement.
How do you tell if sump pump discharge pipe is clogged?
If the drain pipe, also called the discharge pipe, gets clogged, the pump can't move water from your basement to the outside of your home. If the water in your sump pit is moving slowly, or not at all, the drain pipe may be blocked by debris.
Why isn't my sump pump drainage?
A sump pump can clog up in many ways: The pump's mechanical parts become clogged and dirty over time, especially if the sump sits straight against the bottom of a dirty sump pit where silt typically accumulates. The "float switch," which turns the pump on and off as the water level changes, can clog or jam.
How do I drain my basement sump pump?
Attach a garden hose or a sump hose to the fitting on the top of the pump and tie a nylon rope to the top of the pump. Most pumps have a place on top of the pump where you can tie the rope. Position the end of the hose away from the house on a grade where the water can drain into a gutter or storm sewer.
Is it normal for a sump pump to run every day?
Sump pumps should not be running constantly and if they are then it is more than likely that there is a problem. If water starts to enter your basement, then this is when the sump pump kicks into life and starts the process or removing water from the basement.
Why does my sump pump run when its not raining?
Increase in Ground Water The most common reason for your sump pumps keeps running while it is not raining is an increase in groundwater. Groundwater can come from many sources like nearby rivers or lakes, a broken pipe or nearby construction.
Should you put a check valve on a sump pump?
If you do not have a Check Valve installed, it will cause your system to work much harder and more often to pump out the same amount. Installing one of these valves will drastically reduce the stress that is put on your pump and save energy by limiting the amount that the pump needs to run.
Does sump pump run more when it rains?
Generally, sump pumps can run for six to 24 hours continuously, depending on how heavy the rainfall is and the quality of your pump. The aftermath of torrential rains or even flooding puts a higher demand on your sump pump to keep your home's low areas dry.
What if There Are Several Inches of Water in the Sump Pump Pit?
A full sump pump pit or one with several inches of water is where we would become concerned. If it hasn’t been raining, but your pit has a lot of water, and the pump isn’t running, it likely means there is a problem with the sump pump. We recommend adding a few more gallons of water to see if it turns on, the automatic switch could be wearing out, or maybe it doesn’t turn on until the water is unexpectedly high. We’ve seen some brands take a long time to switch on. However, if the pit is full and there is no action from the pump, you will need to replace it.
What Does a Sump Pump Pit Do?
It may not appear this way while you’re standing in it, but if your basement has a sump pump pit, the floor is angled slightly so that any water that enters the basement will make its way to the sump pump pit. The angled floor prevents water from becoming stagnant in other parts of the basement and makes it easier to remove.
How many gallons of water can a sump pump hold?
A sump pump can be any size, but they are usually 18-24 inches wide and about 30 inches deep, allowing the pit to collect 30-35 gallons of water. Homes on top of a hill might not collect much water and have smaller pits than a house by the river or below the water level in the surrounding area. Modern pumps are more powerful and can remove water much faster than traditional pumps, so you can use a smaller pit.
What is the difference between a sump pump and a pedestal pump?
As you may have guessed, submersible pumps go in the water, while pedestal pumps keep the motor on a pedestal outside the water. Both turn on when it detects water and pumps it through a hose leading outside the home. Most people go with the submersible type, and it’s what we recommend because it’s quieter and more powerful, but it is more likely to be hardwired to a circuit breaker. Pedestal pumps can use an extension cord and are cheaper, don’t need to fit into the pit, and use less power, but they are also noisy and have less power to move water.
Why is my water pump not removing water?
If your pump is turning on but not removing any water, it could be a clog in the line leading away from the pump. You’ll need to free the obstruction or replace the line. If you replace the hose and it doesn’t fix it, you will need to replace the pump.
Is a sump pump pit good?
Yes, a sump pump pit with no water is good news, and it means your basement is not collecting any water. The only time a dry sump pump pit is bad news is if there is water in other parts of your basement. Water not entering the pit means the floor is not angled correctly or that water is entering in an unexpected way, meaning you might need to dig another sump pump pit.
Is it normal for a sump pump pit to have water in it?
If you have a sump pump pit in your basement that has some water in it and you’re wondering if that’s okay, the short answer is yes. Your sump pump pit is supposed to fill with water, and it’s perfectly normal to have some water in it. However, we should discuss the topic further before you dismiss it completely.
Sump Pump Water Level
Now the question is; should there be water in a sump pit for it to function?
Sump Pump Always Has Water
As part of answering the question, you need to first understand that flooding issues will always mean that water steadily seeps into your sump pit. As such, there should be some water in your sump pit.
No Water In Sump Pump Pit
As a summary of our discussion so far, we’ve seen that having some water in your sump pump pit is a situation that isn’t out of the ordinary.
How many gallons of water does an 8-10 sump pump hold?
The sump, if 8-10 diameter, would hold about 2.5-4 gallons per foot of depth not counting the volume taken up by the pump itself - and generally holds about 1 foot of water between turn-on and turn-off levels.
Can you turn off water in the house?
if psossibly NOT rain-related, you can also turn off all water in the house (including any circulating pumps, furnace, A/C, fans, etc) and listen at the pipes for any rushing or hissing sound which might be indicative of a leak. Also, if you have a water meter, see if it is recording use with all water usage points turned off. May be a simple as a leaking pipe outside or a frozen and broken outside faucet, for example.
Can a plumber install a backflow preventer?
If unable to handle this investigation and/or any repairs yourself - Plumber can handle backflow preventer installation and any modification of setting height or line slope. Otherwise, a Basement Waterproofing contractor would probably be your best bet. But as you describe it, and as many of the answers in the Home > Basement Waterproofing link at lower left say, I would start with finding any accumulation points around the foundation for roof runoff or surface runoff, get drainage established to get and keep that water away from the foundation so the fill around the foundation does not become a bathtub full or water, and make sure any outside-the-foundation french drain is working and draining to a free surface well away from the house. Then if that does not solve it, you may need to move on to other measures like a french drain outside the foundation or blocking off any weepholes that were put in the foundation.
Why does my sump pump keep turning on?
Because it only turns on when the water gets to a certain level, a sump pump pit will often have at least a little water in it. During rainstorms or after the pumping cycle ends, a low level of water can form and stay at the bottom.
Why is my sump pump always full?
A sump pump that is always full means there is either a continuous flow of water into the pit or a pump malfunction. A high water table, partially blocked discharge lines, or burst pipes can all cause a constant flow into the pump pit: If the water table is too high, raising the sump pit can help. You might also want to think about upgrading ...
Why does my sprinkler pump run nonstop?
It may be a broken sprinkler system in your yard or a broken sewer pipe. If you hear the pump running nonstop, it isn’t always an issue with drainage. Check to see if there’s a mechanical fault with the pump causing it to run even when the pit is dry: check for jammed float switches or a faulty check valve ...
Why do sump pumps need to be on before the water can rise to the basement floor?
The sump pump sits below the level of the floor so that it can drain out any water that flows around or penetrates the walls of the foundation. Using a float switch – a mechanism that turns on the pump when water causes it to float above a certain level – a properly-placed sump pump should turn on well before the water can rise to the basement floor.
What is the purpose of a sump pump?
Properly installed and kept in good condition, the sump pump will keep your basement from flooding.
What does it mean when the sump pump is running all the time?
The common answer is, “how much water is there?” If the level is high enough to run the sump pump all the time, it means that there is a larger problem with your home’s drainage.
When will sump pump see water?
August 12, 2020. The average home’s sump pump will see a lot of water over its lifetime. This water is sometimes from a direct flow from rain or snowmelt; other times, it’s the result of seepage.

Is It Possible to Stop The Constant Flow of Water Into The Sump Pit?
- If you are able to repair your sump pit mechanism, you can prevent bigger problems from developing in your basement or crawlspace. No matter how the leak occurs, action must be taken quickly, and an effective solution must be found before a larger leak occurs. There are many risks associated with water damage, particularly when it is a major issue at the very foundation of you…
Constant Flow of Water Into The Sump Pit – Causes & Fixes
- It is important for homeowners to be aware of the possible causes for their sump pump running constantly and take the necessary steps to fix them before it becomes an issue. A sump pump is designed to keep water from seeping into your basement. The pump is constantly working to keep the water level in the pit at a certain level. However, if the water is continually flowing into the su…
Where Does The Water Come from in The Sump Pit?
- Sump pump issues or malfunctions can only be detected and understood when one fully grasps and understands the concept. Sump pumps are already known for their main purposes and what they should do, but how do they work? Generally, sump pumps are small, horizontal pumps located in the lowest part of a house or building – either the crawlspace or basement. Rainfall o…
Final Words
- When the sump pump is always full, either the pit is continually filled with water, the pump is malfunctioning or leaking oil. Several factors can cause a constant flow into a pump pit, including a high-water table, partially blocked discharge lines, or burst pipes. Make sure to contact a plumber to resolve this issue.