Serving Lancaster
Groundwater & Basement Water Intrusion in Lancaster, PA
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
Water came up through the cellar floor while the street stayed dry.
A full main relieves itself through the lowest connected opening in a building, which in a rowhouse cellar is the floor drain, so what arrives is the street's water rather than the ground's. Nothing done outdoors alters that. What does alter it is a valve on the line, or rearranging the house's drainage so it sits above street level with a pump behind it.
The stain is here and the roof over it is next door's.
On terraced stock that is normal rather than unusual. A single roof plane runs across the party wall, and once water is under the covering it travels the same way, so the place it shows on a ceiling and the place the covering has failed are rarely the same. Sorting it out needs a neighbor's cooperation, which is why starting that conversation early beats any repair made from one side.
Is there any way to see a surcharge coming?
To a degree, and the signal is the shape of the storm rather than its size. A steady all-day soaking seldom fills the main; twenty violent minutes regularly does. So the forecast worth reacting to is the one mentioning rates and cells, and the reaction is nothing more elaborate than getting things up off the cellar floor before it arrives.
The same questions, in context, on the Lancaster mold removal page.