Basement Flood Risk Check for Valley Stream, NY
High groundwater, old drains and storm power cuts put Valley Stream basements at risk. Check the items that match your home to see how exposed the lower level is.
Your basement flood risk
Low
Check the boxes that match your home.
This is a screening check for South Shore basements, not an inspection.
(888) 527-9860Valley Stream basement questionsBasement flooding risk in Valley Stream, NY
Groundwater close below
Valley Stream sits on sandy ground near the bays. After long rains the water table rises and presses water through slabs and cove joints.
Sewer pressure
In a hard downpour, sewage can rise to the lowest opening in the house, usually the basement floor drain. A backwater valve is the usual defense.
Storms and power
The nor'easters and summer storms that raise groundwater also cut power, which stops sump pumps without battery backup.
Already wet? See basement flooding cleanup, sump pump failure cleanup and sewage backup cleanup in Valley Stream.
Basement Flood Risk Check questions
Why does my basement flood with no broken pipe?
Groundwater rises after long rains on the South Shore and builds hydrostatic pressure under the slab and against the walls, pushing water through cracks and the cove joint.
What is a backwater valve?
A valve on the sewer pipe that lets waste leave the house but closes when sewage tries to flow back in. A plumber decides whether one fits your system.
What is the cheapest step to lower the risk?
Moving downspout discharge well away from the foundation and keeping window well drains clear do a lot for very little money.
How often should a sump pump be tested?
Before nor'easter season and after long dry spells. Pour water into the pit and confirm the pump starts and empties it, and check the battery backup.
Do white lines on basement walls matter?
White mineral deposits mean water has moved through the masonry and evaporated. They are a sign of repeated seepage.
Water coming into the basement? Get it pumped out.
Seepage that reaches the floor needs extraction and drying before it soaks into walls and stored belongings.
(888) 527-9860Valley Stream basement help