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Is My French Drain Clogged? Troubleshooting Drainage Systems

Mike W • May 22, 2023

French drains are a common system used by homeowners all throughout Pittsburgh and beyond. When they are working correctly, they work to prevent water from building up around your foundation and flooding your home by collecting the runoff and directing it to a storm drain or other drainage site.

But, just like any system or machine, a French drain can become clogged and stop working properly, which can lead to flooding and other damage.

What Are the Signs by French Drain is Clogged?

The signs that your french drain is clogged depend on the type of system you have. If your drain has a sump pump, there may be an indicator light or alarm to warn you if it stops working properly. Additionally, water may not be draining as quickly as usual, or water may begin accumulating near the foundation of your home.

If your french drain is not connected to a sump pump, you may notice water collecting around the foundation of your home or pooling in low spots in the yard. Additionally, there may be plants that are suddenly growing faster than normal due to an influx of water.

How Can You Troubleshoot a Clogged French Drain?

To troubleshoot a clogged drain, you will need to locate the drain and inspect it. In some cases, you may be able to clear the blockage yourself with a snake or other tool. However, if you are unable to do this on your own, you should contact our team of drainage solution experts for help.

If your French drain has a sump pump, you should check to make sure it is functioning properly. If the problem does not seem to be related to the sump pump, then you may need to examine the drain itself for clogs or damage.

In either case, you can use a hose with a pressure nozzle to clear the drain of debris and test it to make sure it is working properly. If you are unable to clear the clog yourself, then you should contact Pittsburgh Drain Guys. We have the tools and knowledge to diagnose and repair the issue.

What Causes French Drain Clog?

If your french drain is clogged, it may be due to a few different things. First, check the grate or cover over the top of the drain–if it’s clogged with debris like leaves and dirt, this can lead to water backing up in the system. Make sure you clear away any debris that could be blocking water flow.

If the grate isn’t blocked, inspect the pipe or pipes leading away from your French drain for any signs of breaks or blockages. If you find a break, this can be repaired with a patch kit designed specifically for drainage systems. If there’s a blockage, tree roots may be to blame–this is best addressed by calling a professional plumber to assess the situation and determine the best way to clear out the roots.

If you’ve checked both of these potential causes without finding a problem, it’s possible that your French drain isn’t installed properly or is too shallow. Properly installed french drains should be at least six inches deep from the surface of your yard–if it is shallower than this, water may not be able to flow properly through the system.

If you find that your french drain isn’t installed correctly or is too shallow, contact a professional for help. They can assess the situation and make any necessary adjustments to ensure that your drainage system works as it should. With proper installation and maintenance, your French drain should remain clog-free for many years.

Regardless of the age and condition of your French drain, it’s a good idea to have it inspected regularly for any signs of blockage or damage. Regularly cleaning out debris from the grate can help prevent backups, and if you notice any problems with water flow, don’t hesitate to call a professional. Taking these proactive steps now can save you time and money in the future by preventing costly repairs or replacements.

French Drain Installation and Maintenance Services

Good drainage systems are essential for keeping your home safe and comfortable, so make sure you stay on top of maintenance and repairs. If you have any questions about your French drain, contact a local plumber for advice and help. With proper care, your French drain should keep water flowing freely for many years to come.

At Pittsburgh Drain Guys, we can resolve clogged French drains and also offer expert French drain installation services to keep your home protected from flooding. Contact us today to learn more!

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Author: Jay Nagy


Owner & Founded of J Bird's Landscaping. Years of experience in Pittsburgh lawn cutting, patio installation, trucking/hauling, French drain installation, and other landscape/design services.


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