Yes, heavy torrential rain or rapid snowmelt can easily overwhelm a standard residential sump pump if the volume of groundwater entering the sump pit exceeds the pump's maximum Gallons Per Hour (GPH) discharge capacity. When a pump is overwhelmed, the water level in the basin continues rising faster than the pump can expel it, eventually overflowing onto the basement floor. Verification: Monitor the water level inside the pit during heavy storms to ensure the pump keeps pace with incoming water.
1 votes
Marked as accepted