Serving O'Fallon
Groundwater & Basement Water Intrusion in O'Fallon, MO
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
This city sits between two very large rivers.
It does, several miles from each, which sounds comfortable and is worth examining rather than assuming. Neither river reaches most of the city, and the flooding that does happen comes from small local creeks that respond within the hour. Preparing for the rivers here is preparing for the wrong hazard on most addresses.
The subdivision was farmland when the drainage was designed.
Much of it was, and the channels receiving what the city now sheds were sized against that older condition. Every acre converted to roof and pavement delivers its rain in minutes rather than soaking in over hours. No single development caused it, which is why it is so difficult to raise with anyone in particular.
The ground here hands water back over days rather than hours.
Which is why a pump keeps cycling long after the surface has dried and the sky has cleared. It is normal on this ground and it is also what wears equipment out, because a unit chosen for occasional storm duty is being asked to run for days at a time. A second pump on a higher switch is the usual answer.
This FAQ belongs to the O'Fallon page; it is repeated here.