While a blocked sump pump discharge can lead to a wet basement so can blocked downspouts.
Hook sumppump to gutter drain.
Learn other downspout extender solutions here.
If the line gets clogged frozen or dysfunctional your sump pump will become useless sooner or later.
Try to maintain the line at least on a half yearly basis.
Route the water into a storm drain or dry well.
Sump pump discharge line underground is a vital part of the sump pump.
So it would be preferable that you drain a sump pump outside and at least 4 to 6 feet away from your foundation of your home so it doesn t drop water back against the foundation wall.
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The performance of the discharge line dictates how the pump is going to perform or how long it s going to last.
Speak with your plumber about installing a sump pump which directs water away from your home to a nearby storm drain.