Without proper grading gutters and downspouts some of this water flows into the basement.
Gutter pump basement.
When the sump pump activates the gutter drains overflow as show in the picture.
An interior french drain will only remove.
Collects groundwater from beneath the basement floor and directs it to a collection pit via a sump pump where it is pumped away to the surface.
Rain and groundwater rain and groundwater.
In a 1 inch rain 1 250 gallons of water fall on the roof of a 2 000 square foot house.
This is where some expansion of living space can occur without a costly addition.