A DIY remedy to remove sump pump odors is to use a bleach solution in the sump pit.

  1. Create a diluted bleach solution, 1 cup bleach for every 1 gallon of fresh water.
  2. Pour the solution into the sump basin until water volume activates the float switch and the sump pump turns on.

Why does my sump pump stink?

A broken sewer line near or beneath your foundation may gradually leech raw sewage into the ground water. When tainted ground water enters the sump basin, the distinct smell of sewage is emitted.

Why does my sump pump smell like rotten eggs when it rains?





Raining often causes atmospheric pressure changes, which can lead to the air becoming heavy. As such, the methane gases typically found in the septic tank don’t flow through the vent as they normally would. Instead, they stay low to the ground, causing a foul smell similar to rotten eggs.

How do you neutralize sewer smell?

Baking soda and vinegar

Start by pouring ¼ cup of baking soda down the drain, and then leave it for about 10 minutes. Then, follow it with one cup of vinegar. Let the mixture fizzle and work for a few minutes, and then finish by turning on the water and running the disposal to clear out any leftover food waste.

How do you get the sulfur smell out of a sump pump?

Properly adjusting your float switch will ensure that the water in your sump pump remains at an acceptable level. If the water develops an unpleasant smell, you can eliminate the odor by simply adding a diluted bleach solution.

Why does my basement smell like sulfur?





Sewer gas. That “rotten egg” smell in the basement is sewer gas, or hydrogen sulfide. It comes from decaying organic matter like sewage in your plumbing lines, according to The Scottish Plumber on Angie’s List.

Can I pour vinegar in my sump pump?

Soak with Vinegar-Water Solution

Next, in a bucket, mix your cleaning solution using 1 gallon of vinegar and 2 gallons of hot water. Pour the vinegar solution into the sump pump. Let it soak for 15-20 minutes to give it enough time for the debris to loosen.

Why can I smell sewage in my basement?

A strong sewer smell coming from your basement is most often caused from a dried out floor drain, a bad ejector pit seal, improperly vented appliances or fixtures, or even a damaged sewer line. Floor Drains – Rarely-used floor drains in your basement are typically the source of the sewer stench.

How do I get the sulfur smell out of my basement?



If the dry trap is to blame, the fix is simple: Just turn on the faucet a few seconds and let the water drain out. The water will fill the trap and effectively block sewer gases. If the smell is strongest in your basement, the floor drain trap may have dried out.

How can I make my basement smell better?

You can place bowls of white vinegar, cat litter in open containers, or baking soda throughout your basement in order to absorb the stench. You should notice a more pleasant smelling basement in a couple of days.