If the water is coming up through floor drains or sink drains in the basement, then the problem is often water backing up from the municipal sanitary sewer system. During heavy rains, combined sewer systems can become overwhelmed with water. This can cause sewer water to back up in the system and sometimes into homes.

How do you keep water from coming through the floor drain?

Install Check Valves to Prevent Flooding





Have a plumber install check valves on your floor drains and all of your basement plumbing fixtures. A check valve lets water run out of the drain as designed but prevents water from flowing back into the drain.

Is it normal to have some water in basement after heavy rain?

Inspect Your Basement Walls and Floors for Cracks

A common cause of water in the basement after rain is due to a cracking foundation wall. Like a cup with a hole serves as useless for holding liquids, your foundation is useless for keeping water out of your basement if they’re cracked.

Why is water seeping through my basement floor?

There are several common reasons for water seeping up through your basement floor, including backed up or collapsed drains, leaking pipes or appliances, a cracked foundation, clogged gutters, and poor drainage.

How do I stop rain from seeping in my basement?





The most effective way to keep water out of your basement is to install an interior drainage system that minimizes hydrostatic pressure. By installing drain tile along the joint where the floor meets the wall, where most water leakage occurs, you can capture water before it makes its way onto the basement floor.

Why do my drains back up when it rains?

Debris brought in by heavy rain, like leaves, soil, sticks, and trash, might get into your sewer system and cause your drains to clog, backing up your entire system.

Why is water coming up through the drain?

Water coming up the drain into a sink typically indicates a clog somewhere, including locations such as the sink trap, the main drain line, the garbage disposal or the vent pipe.

How do you know if your main line is clogged?

Here are a few signs that it’s your main line that’s clogged.

  1. Multiple slow-running drains. If more than one drain is running slow, it’s probably not a coincidence, but an indication that one clog is causing issues for all of them. …
  2. Water backing up into other drains. …
  3. Gurgling sounds. …
  4. Sewage odors coming from the drains.


Can a sewer line unclog itself?

2. Call a Plumber. It’s technically possible to clear out some small sewer line clogs yourself, but this is rarely advisable. The problem with DIY repair is that the majority of sewer line clogs are caused by broken pipes, tree roots and other issues deep within your plumbing system.

What are signs of sewage backup?

Early signs of sewer backup

  • Gurgling sounds coming from a drain.
  • Unusual odors coming from the sinks, showers, or drains.
  • One or more drains moving slower than usual.
  • Water backup into the shower or tub.


How do I fix a sewer backup in my basement?

If you are experiencing a drain backup in your basement, your wash tub basin, or laundry tub, may be the culprit. A quick fix may be to clean the strainer on the drain inlet, which you can easily do yourself. When the trap under the basin is clogged, you can try a plunger to clear the sediment and debris.

What does sewage backup smell like?

It comprises a mixture of gases, including hydrogen sulfide, ammonia, and more. The hydrogen sulfide in sewer gas is what gives it its signature rotten egg smell.

How do you unclog a sewer backup?

Quick Fixes for Sewer Backups

  1. Use a Plunger – the easiest and most available drain opener around. …
  2. Buy a Liquid Drain Cleaner – to unclog a sink or bathtub. …
  3. Release Pressure – by turning off the water at the main supply first. …
  4. Chemical Drain Cleaning – help with tree roots blockages.

Should there be water in basement floor drain?



Yes, floor drains should have water in them. They contain drain traps that keep them clean. Therefore, it is necessary to have a fixed volume of water in your drain. Ideally, many suggest maintaining the water level at least 2-3 inches below the drain.

How do you unclog a main drain without a snake?

All you need to do is take a cupful of baking soda and pour it down the drain. Consequently, pour a cupful of white vinegar down the same drain. Thereafter, wait for around 10-15 minutes for the baking soda and vinegar solution to break up and clear the clog.