Why Your Sump Pits Should Have Gravel?

Sump pits are used to capture debris that accumulates in the bottom of a sump pump pit. As the debris builds up it will create an imbalance in the flow of water to the pump. This can cause the pump to work overtime trying to push the debris out of the pit. Eventually, the pump will fail. Gravel in sump pits can be very damaging to the pump and to other equipment in the sump pit.

How do you know if your sump pit has gravel? The most obvious sign is the appearance of the gravel. But what if the gravel is not visible? You need a way to test the sump pit to see if it has gravel. The most common test for gravel is using a sump-pit fork. You must use a sump-pit fork, or similar instrument, to test the gravel because you must make sure that the tip of the sump-pit fork is actually going into the pit. This allows you to look at the bottom of the pit. If you look down a sump-pit pit and you don’t see gravel there then you can be fairly certain that your pit does not have gravel. Gravel can be easily seen in pits where you see a dark muddy color around the top of the pit.

What is a Sump Pump Pit?

A Sump Pump Pit is a trench or pit in the backyard, where your sump pump is located. If there is a basement, this area will be near the foundation and the main water supply. The pit is usually dug out of the ground, and connected to the main sump pump. It’s important to note that sump pumps are not meant to handle water, and hence, any leakages from a basement or from the sewer system should be drained out of the pit before connecting your sump pump to it.

Why is there gravel in the sump pit?

  1. The gravel was put in to prevent kids from falling into the water when it gets too low.
  2. The gravel is necessary to maintain good water flow and to keep the sand from building up in the sump pit.
  3. There’s a hole in the bottom of the sump pit.
  4. The gravel is there to stop the sump from filling with mud, which could cause it to collapse.
  5. Gravel is often added to the bottom of the pit so that water can flow through it to the catch basin.


Gravel and other debris can settle in the bottom of your sump pit if it’s not properly cleaned out after every rainstorm or snowfall. This debris can then clog the sump pump, and cause your sump pump to run constantly, without stopping the flow of water into the tank. Hence, you need to regularly clean out the debris from your sump pit to avoid such a situation.


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