Structural Drying & Dehumidification in Westland, MI

Because the houses are the same age, on the same line, with the same connection detail. Postwar subdivisions here were built in a few years to one specification, so when the public sewer surcharges, every basement on the block relieves at the same time through the same fixture. It is not a coincidence and it is not a sign that your own plumbing is worse than the neighbors'. It does mean equipment gets scarce quickly, so calling early matters.

They address different water. A backwater valve stops the public sewer from relieving into the basement, which is the fast, dirty failure. A sump and drain tile relieve groundwater pressure from the clay, which is the slow, clean one. Houses here often have both problems and treating only the dramatic one leaves the wall seeping every wet spring. A contractor should establish which mechanism actually produced the water before specifying either.

It does, and it is worth knowing before a failure rather than after. Clay and early cast-iron building sewers from this era are at the end of their service lives, with root intrusion and joint separation common. A partially blocked line does not have to fail completely to make a surcharge event much worse, because it slows the drainage that would otherwise clear. A camera inspection is inexpensive relative to a basement.