Is it safe to use a shower that hasn't been used in years?
William Howard
Published Apr 26, 2026
If you have a shower (or other water outlet) which isn't used regularly, there is a risk associated with stagnant water. It's not uncommon for water to collect in parts of a domestic water system which aren't used very often and bacteria can develop in such pockets of stagnation.
What happens if a shower is not used for a long time?
When drains aren't used for long periods of time, the water barrier can evaporate and leave an open path for sewer odors to enter your home. For this reason, it is important to run water in the shower, sink, and toilet every once-in-a-while.Is it safe to use a shower that hasn't been used in years?
If your shower has not been used for two weeks or more, disinfect the showerhead. The showerhead should be removed and the shower run for two minutes. The showerhead should be disinfected before being re-fitted by immersing for at least an hour in any solution designed for cleaning baby feeding bottles (e.g. Milton).Will an unused shower smell?
ANSWER: It is not unusual for an unused bathroom drain to start smelling after a period of time. The smell coming from an unused tub or drain is usually coming from the P-trap. A P-trap is the U-shaped portion of pipe underneath the drain.What happens unused bathroom?
The longer bathroom drains go unused, the greater the chance you'll experience a nasty sewer smell. This is because a trap's main purpose is to create a water seal to prevent sewer smells and methane gas from entering your home.Why This Doctor Has Not Used Soap in 20 Years!
How do you get the smell out of an unused bathroom?
First, pour a small amount of vinegar (a cup should do) down the drain, followed by a quarter cup of baking soda. Let that sit for about 15 minutes, then run hot water run down the drain, rinsing out the solution for about 3 minutes.How often should you flush a toilet you don't use?
The main thing is to run water in the sink, shower and flush the toilet at least once a week. This will keep the traps full. A trap that has evaporated will let sewer gas into your home causing odor.Why does my shower drain smell like poop?
Drain ObstructionOne of the common reasons is drain obstacle or drain clogs. An block in the drain will often prevent water from flowing freely through the pipes. Oftentimes, the water become stuck along with other solid materials. And once these materials start to rot or decompose, it produces a poop-like smell.
Why does my shower drain smell like rotten eggs?
If you are noticing the smell of rotten eggs, it is possible that your water or sink drain is contaminated. It could also be that the drain is clogged or partially drained. When sinks are clogged, they drain slowly, which can cause bacteria to build up in the p-trap and create the hydrogen sulfide gas.Why does my shower smell like sewage?
Leaky PipesLeaky pipes in your bathroom walls or under the shower will allow sewer gases — also known as hydrogen sulfide — to escape, so you may notice the shower drain smells like rotten eggs or sewage.