Usually, the water treatment process removes most hydrogen sulfide from the water but low levels of the gas can still make it into your home, especially if you use well water. A whole-home water filtration system gets rid of hydrogen sulfide before your water ever reaches you. It uses natural minerals and compounds to absorb and remove the gas from your water.
That means no more foul-smelling water for you and your family. These bacteria consume sulfate and output hydrogen sulfide, depositing it in your water. When this happening in your pipes or nearby pipes the sulfide can vent into your water stream. You can consult a water professional or buy a test kit in order or confirm the presences of the bacteria.
If the bacteria is present your home might been a chlorination treatment your you might be able to run your hot water heater at an elevated setting in order to kill off the bacteria assuming they are isolated to that place, which may not be the case. If the smell only happens when your water is hot then the source of the smell is likely your hot water heater. If the odor only occurs on the hot water side, the first thing to try is to turn on the hot water throughout your home and let the water run until cold.
Doing this flushes out the water heater and may eventually lessen the odor. You may have to do this more than once, and you may need to do it periodically to keep the tank flushed out. It may also help to increase the temperature of the water temporarily for several hours before flushing be careful of scalding temperatures at the hot water fixture outlets while the temperature is turned up. Another thing you can try is to have a plumber remove the magnesium corrosion rod from your water tank and replace it with an aluminum rod.
The factory installed magnesium rod in water heaters causes the dissolved sulfur to precipitate into a gas, causing the odor at the faucet. If the odor is on the cold water side or both, it may be caused by the establishment of a condition in the plumbing system that causes the conversion to the hydrogen form. Usually this is limited to one or a few fixtures where certain bacteria have become established known as sulfur reducing bacteria.
In some parts of the country, drinking water can contain the chemical hydrogen sulfide gas, which smells just like rotten eggs. This can occur when water comes into contact with organic matter or with some minerals, such as pyrite. The situation mostly occurs as groundwater filters through organic material or rocks.
Water containing hydrogen sulfide can have an odor that is objectionable and the water may taste really bad , but generally the water is not harmful to health. However, odors can be caused by other constituents as well, so you may want to call your local Health Department and mention the odor to them.
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