Why Does Stagnant Water Smell?

Although not necessarily a risk, standing water often smells bad. In most cases, standing water smells like rotten eggs. This is caused by the production of hydrogen sulfide as bacteria break down plant or animal matter. If the stagnant water contains sewage, that will make the smell even worse.

How do I stop my stagnant water from smelling?

Address this problem by following these steps:
  1. Fill a glass with water from the sink that has the smell, then step away from the sink and swirl the water around inside the glass a few times. ...
  2. Flush and disinfect the drain by pouring half a cup of baking soda down the drain, then pour half a cup of vinegar.

What causes the smell of stagnant water?

Stagnant water has little dissolved oxygen in it and is a prime breeding ground for bacteria. ... As more organic matter begins to rot in the stagnant water, the smell gets worse. Stagnant water odor becomes fouler with time, because more organisms die.

Sophia Al-Mansoor

Sophia Al-Mansoor

Global Business & E-Commerce Reporter

Sophia analyzes international trade, startup ecosystems, retail transformation, and supply chain logistics for modern digital publications.