There are dangers of a wet basement that you re probably aware of but are worthy of being mentioned again just in case you re not afraid of these dangers.
Water coming up through floor drain in basement.
Your basement floor is made of concrete and concrete is porous allowing water to soak through it.
Water coming up through the basement floor after heavy rain should be considered as an emergency because it is.
If water is coming through the basement floor or coming in where the basement walls meet the floor then the source of the water is likely subsurface groundwater.
A flooded basement can cause interior damage and even destroy irreplaceable mementos like your family photo albums or heirlooms that you may have been keeping in storage down there.
A flooded basement is never a good thing.
This can cause sewer water to back up in the system and sometimes into homes.
Water coming up through concrete basement floor.
There are a few reasons for this.
If you believe this is the reason why water is coming up from your basement floor do not delay call your local waterproofing.
If the water is coming up through floor drains or sink drains in the basement then the problem is often water backing up from the municipal sanitary sewer system.
There is not much you can do about water flowing through the ground and pushing up against your basement floor and walls.