Serving Madison
Groundwater & Basement Water Intrusion in Madison, WI
Basement seepage, failed sumps, and hydrostatic pressure against the foundation are extracted and dried, and the path from the ground is identified so the loss does not repeat. Groundwater and basement seepage are extracted and dried only after the path from the soil is identified — a wall, a slab, a drain, or a failed sump. Drying the interior without stopping that path returns the same water to the same floor.
Frequently asked questions
We are on the isthmus, well above the lakes. Why would the basement still take water in June?
Higher is not disconnected. Isthmus sand is a window on the same water the lakes are made of, and a basement is a hole in that sand. A high lake in June is a reasonable forecast for seepage even on a lot that never floods at the street. A working sump and a checked discharge line manage that table; treating the lakes as scenery and the cellar as a separate problem is how a wet June keeps being a surprise.
The house sits on the old marsh ring. Is that a different extraction job from the isthmus?
Different ground, different water. Peat and fill around the lakes settle, hold volume, and keep a basement wet in months the isthmus sand would have drained. Original tile that worked when the house was new may now sit in a sag and no longer fall. Extraction still removes the standing water; the lasting fix is restoring a drain path the peat has dropped, not a sand-lot detail that assumes the ground still falls.
The original drain tile is still there. Why is the floor wet after a high-lake week?
Presence is not fall. Peat settlement can leave the pipe in the ground while the run no longer slopes to an outfall, so lake-stage water sits against the wall with nowhere to go. An open-looking tile at the house does not prove the line still carries. A local pro checks the outfall and the pack; if the run has sagged, extraction of the floor water has to be followed by a drain that actually drops.
This FAQ belongs to the Madison page; it is repeated here.