Sometimes the gutter overflow issues stem from clogged drain pipes.
Blocked gutter drain pipe.
A downpipe drain is the underground pipe that runs water from gutters away from a building and usually lets out at the curb.
If your downpipe isn t draining or water is flowing out the back then it s probably clogged.
Then you can try to clear the clog with a plumbing snake or by using a hose to send water into the pipe and dislodge the clog.
You can try removing the downspout from the drain pipe first.
Turn on a garden hose to its most powerful setting and run water through the drain pipe.
To unclog a gutter downspout try your easiest options first.
Remove the guard at the other end of the drain pipe if there is one.
Also they re not always caused by debris in your gutter system you could end up with a clog due to a tree root growing into the pipe.
Expose the bottom downspout opening divert the flow away from any landscape drain and then use a garden trowel to reach up into the opening and remove any clogged leaves and debris that could have accumulated there.
Start by cleaning the bottom downspout opening.
Check to see if water and debris come out the other end of the pipe.
Disconnect the gutter downspout from where it connects to the drain pipe.