Storm season in the Metro East brings heavy rainfall that can overwhelm drainage systems, saturate soil, and send water directly into basements. Basement flooding prevention is not something to address after the fact. The right combination of plumbing upgrades, maintenance habits, and drainage improvements can stop most flooding before it starts. Here is what homeowners in the St. Louis Metro East region should know heading into storm season.
Understand Why Basements Flood
Knowing the source of water is the first step in basement flooding prevention. The two most common causes are:
- Surface water intrusion: rainwater pooling against the foundation or entering through window wells, doors, or cracks
- Sewer backup: heavy rain overwhelms the municipal sewer system, and water backs up through floor drains, toilets, or utility sinks
Both problems are manageable with the right preparation, but they require different solutions.
Install or Test Your Sump Pump
A properly functioning sump pump is one of the most important basement flooding prevention tools available to homeowners. It collects groundwater that accumulates around the foundation and pumps it away from the house.
Before storm season:
- Test the pump by pouring water into the pit and confirming it activates
- Check that the discharge line is clear and directing water well away from the foundation
- Inspect the float switch for proper operation
- Consider a battery backup unit so the pump continues working during power outages, which often accompany the worst storms
Add a Backwater Valve
If sewer backup is a concern, a backwater valve is one of the most effective investments you can make. This device installs on your main sewer line and allows sewage to flow out normally, but automatically closes if flow reverses toward the house.
According to the Insurance Information Institute, sewer backup is one of the most common and costly causes of home water damage in the United States, and most standard homeowner policies do not cover it without an additional rider.
Our residential plumbing services include backwater valve installation and sewer line evaluation to determine whether your home is at risk before the next major storm event.
Check Your Sewer Line
Tree root intrusion, accumulated grease, and pipe deterioration can partially block sewer lines, making backup far more likely during heavy rainfall when the system is already stressed. A sewer camera inspection gives you a clear view of what is inside your lines before problems develop.
If the inspection reveals a partial blockage, hydro jetting can clear it completely. If the line has structural issues, sewer repair may be needed.
Improve Exterior Drainage
Plumbing is only part of the picture. Exterior conditions play a major role in basement flooding prevention:
- Make sure the ground slopes away from your foundation on all sides
- Clean gutters and extend downspouts at least four to six feet from the house
- Clear window well drains of debris before storm season begins
- Avoid landscaping that directs runoff toward the foundation
Even small grading corrections can redirect significant volumes of water away from vulnerable entry points.
Our sewer line cleaning services are available throughout Metro East, including Trenton, Belleville, O’Fallon, Edwardsville, and surrounding communities, to help keep your drainage system running clear when storms hit.
Call Litteken Plumbing Before Storm Season Arrives
Basement flooding prevention works best when it happens before the rain comes. The team at Litteken Plumbing has been serving Metro East homeowners for over 25 years with the expertise to assess your risk and put the right solutions in place.
Contact us today to schedule your pre-storm plumbing inspection and protect your home this season.