Start with where the water actually comes from
Wet basements have a handful of sources, and the fix depends on which one you have. Guessing wastes money. We look at the water pattern, the floor drain, the sump pit and the outside grade before we suggest anything.
| Where the water shows up | Likely source | Who fixes it |
|---|---|---|
| Rising from the sump pit or the floor | Groundwater beating a weak or failed pump | Plumber, see sump pump service |
| Bubbling from a floor drain | Sewer backup from the main or street | Plumber, cleaning and backflow valve |
| Seeping at the base of the wall | Groundwater pressure or poor grading | Drainage work and sometimes a foundation contractor |
| Running down a wall after rain | Gutters, downspouts or window wells | Exterior drainage and often a plumber |
| Damp patch on the slab with no storm | A leaking supply or drain line | Plumber, see leak detection |
| Fine cracks leaking after heavy rain | Foundation movement | Foundation specialist |
We handle the plumbing items and name the others. Walls and cracks often need a foundation contractor, and we will say so.
What the plumbing side of a dry basement includes
Sump system
A pit, pump and check valve sized for your basement, with a backup for power failures.
Discharge routing
Water pumped outside and away from the foundation, never into the sanitary drain.
Backflow protection
A check valve or an overhead sewer setup that keeps street sewage out when the main is full.
Floor drain service
Cleaned, camera checked and kept primed so sewer gas does not seep up.
These pieces work as a system. A strong pump with a discharge that dumps next to the wall just moves the same water in circles. A new check valve on a drain that is clogged only changes how the clog shows up. We look at the whole path.
Flooding in the basement right now
This page covers planned waterproofing, but a flooded basement cannot wait for a plan. If water is spreading, the 24/7 line is open and same-day appointments are available when the schedule allows.
- Stay out of standing water near outlets, the panel, the furnace or the water heater.
- Shut off the main water valve if a pipe is leaking and not just seeping.
- Move valuables and stored items off the floor.
- Document damage with photos before cleanup starts.
- If it is sewage, keep children and pets away, and follow the backup steps on our sewer line repair page.
Woodridge conditions that stress a basement
The nearest National Weather Service station, at O'Hare, normally records about 38 inches of precipitation and about 38 inches of snow a year. Spring is the hard season, when snowmelt and rain hit the ground together. If your basement stays dry in July and wet in April, that is a groundwater and drainage problem.
Roughly seven in ten Woodridge homes are at least 35 years old. Older basements often have floor drains tied to aging laterals and sump pits that have never been upgraded. A camera look at the drain line and a test of the pump tell you whether the plumbing is the weak link.
The Village prohibits draining sump pump water, pool water and gutter or downspout drainage into the sanitary sewer. This matters for waterproofing because a discharge that goes to a floor drain can overload the sewer in a storm and send water back into the house.
Woodridge also reimburses 50 percent of the installation cost, up to a maximum for each project type, for an overhead sewer system, a sump pump or a check valve in the home. Approval and paid receipts are required, so ask Public Works for current terms before work starts. The program can lower the cost of the backflow and pump parts of a waterproofing plan.
Exterior drainage and what the ground does
Before you spend on the inside, look outside. Gutters that spill beside the wall, a downspout that ends at the foundation and soil that slopes toward the house all push water at the basement. Extending downspouts and regrading are cheaper than any pump.
JULIE 811 locates buried utilities at no charge, and its homeowner page says to call at least three days before you dig. Do that before any regrading or trenching. In Darien, where the city notes illegal sump connections add water to the sanitary sewer in heavy rain, the same discharge principle applies.
What changes the cost of keeping a basement dry
A single check valve and a full sump system with backup are far apart. You get a clear price before work starts, after we find where your water comes from.
Insurance policies differ. Many separate sudden water damage from seepage and groundwater, and water backup is often an add-on. Read your policy or ask your agent before you file.
Sump and discharge work falls under the plumbing code. The Village of Woodridge has adopted the Illinois State Plumbing Code, and permitted work is inspected against that standard.
Questions we hear
We handle the plumbing side, such as sump pumps, drains and backflow valves. Foundation crack repair and exterior wall waterproofing are usually done by a foundation contractor, and we tell you if your problem falls there.
Water at a floor drain, the sump pit or along a pipe is plumbing. Water seeping through the wall base or a crack after rain is usually groundwater or grading.
Often, but not always. The pump needs a good pit, a proper discharge and power backup. Without them it can fail when you need it most.
No. Woodridge prohibits sump pump water in the sanitary sewer. The discharge needs to go outside, away from the foundation.
It is a one-way valve in the drain line. It lets sewage out of your house and stops street sewage from coming back in when the main is full.
It reimburses 50 percent of installation cost, up to a maximum for each project type, for a sump pump, check valve or overhead sewer system. Get approval from Public Works first.
Yes. The line is open 24/7. If water is rising or sewage is coming up, call right away and stay out of wet areas near electrical equipment.
If your pump is the weak link, read about sump pump replacement and installation in Woodridge.