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LostDefectivePearl t1_j8f1ukk wrote

When they fail they just drain water a lot slower or not at all, like they’re not even there. When I dig up a failed French drain I expect that it does not have filter fabric around it.

Depending on how deep the French drain is buried, it could definitely just be smushed under there. If you have access to one side of the pipe (like a downspout for example) you can use a hose and see if you can flush anything out.

Luckily if it was installed well, it’s really doable for a homeowner to replace a short segment.

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healthyBabyBoy t1_j8flkyt wrote

I have seen the plastic corrigated tubing, so it is probably not covered in a fabric or very deep. I am not sure if mine is failing yet but i could see dirt getting in where the line has been crushed a bit. I'll give the hose a try

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