The Root of the Problem: Trees to Avoid Near Sewer Lines

Fall is a great time in the Mid-Atlantic to plant trees and shrubs, but while landscaping can add curb appeal and provide privacy for your home, planted in the wrong place they can also cause costly damage to your plumbing system.

Over the years, root growth from some trees and shrubs can infiltrate a home’s plumbing system or even cause cracks in a home’s foundation. But that doesn’t mean you have to have a yard free from foliage. Planning the right landscaping for your space means your pipes and your plants can coexist without a problem.

Here are some tips to prevent plumbing problems caused by tree roots:

1. Know where all of your sewer systems and pipes are in the yard. Use the national 811 “Call Before You Dig” number to find the location of underground utilities such as cables and lines before doing any landscaping.
2. Measure the plant’s distance from your home to make sure there is enough space for the root system not to interfere with the underground pipes or foundation. Trees with spreading, water hungry roots should be planted 20-30 feet from water and sewer lines.
3. Plants and shrubs need enough water and nutrients in the soil so their roots do not infiltrate sewer and water lines to find it.
4. Plant trees and shrub species with less aggressive root systems.
5. Maintain your sewer system. Pipes are a source of water, nutrients and oxygen that roots seek. Roots will grow quickly toward a broken pipe, making the situation even worse.
6. Use a root growth barrier to help discourage root growth near sewer lines. These slow-release chemicals steer roots from the sewer line path. Metal or wood barriers buried 6-12 inches deeper than the pipe and running vertically next to sewer lines can also serve as a physical barrier.

Which trees can cause the most damage to your home’s plumbing systems?

Staying away from trees that are known to be aggressive in their root system nature or have a need for excessive amounts of water will save you thousands when it comes to root infiltration of your plumbing system.

Here are some of the worst trees and shrubs for root infiltration of sewer lines:

• Willows
• Maple
• Elm
• Poplar

Hindsight is 20-20, so perhaps you already have mature landscaping and are concerned that your plumbing issues are caused by tree root infiltration. Some warning signs that roots are in your sewer line include: multiple plumbing fixtures backing up at once or a shower that backs up when you flush the toilet.

If you suspect you may have roots damaging your plumbing systems, our Len The Plumber experts can clear the roots and provide a FREE video pipe inspection service of the lines. Len The Plumber specializes in sewer line repair and replacement in the Mid-Atlantic. Root infiltration of plumbing lines aren’t something that should be left untreated. Aggressive roots will continue to grow and compromise your entire plumbing system. Our experts at Len The Plumber are available to take care of your pipe inspection needs with same day service, 7 days a week.

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