Serving Doylestown
Groundwater & Basement Water Intrusion in Doylestown, 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
Our neighbor regraded and now we take water.
On thin soil over rock, surface changes can matter more than they would elsewhere, because there is so little storage to absorb the difference. It is worth documenting during rain rather than describing afterward. That said, a good deal of the water here moves along the rock beneath the surface, so a change uphill can also be irrelevant. Establishing whether your water arrives as surface flow or below grade determines which conversation is worth having.
Is a footing drain possible on a rock lot?
Usually yes, and the discharge is the hard part rather than the drain. On sloping ground a gravity drain to daylight is ideal, since it has no pump to fail. Where the lot is flat or the rock leaves nowhere lower to go, an interior perimeter drain to a sump is the practical alternative. What does not work is relying on backfill to drain on its own, because in a rock excavation there is nowhere for it to drain to.
Water shows up hours after the rain has stopped.
That delay is characteristic of subsurface flow. Rain soaks through thin soil, reaches the rock, and then travels laterally along it, which takes time and can bring water from some distance away. Surface runoff arrives during the storm; rock-surface flow arrives after it. The timing is genuinely useful diagnostic information, and it points the remedy below grade rather than at the gutters.
This FAQ belongs to the Doylestown page; it is repeated here.