Turning on the faucet only to be hit with a smell like rotten eggs can be unsettling. That unpleasant odor usually points to hydrogen sulfide gas, which can show up in your water for various reasons. Whether it’s a problem with your water heater, well water, or your plumbing, you have to figure out the cause so you can fix it.
Understanding the Rotten Egg Smell in Your Water
If you’ve noticed an unpleasant rotten egg smell in your tap water, it’s likely caused by hydrogen sulfide gas. This odor occurs when organic matter breaks down without the presence of oxygen, a process that is more common in well water. Groundwater can pick up sulfur from rocks or soil, especially in areas with high mineral content, making the smell more prevalent in homes with private wells.
The odor may be more noticeable when you first turn on the tap or when using hot water. Warm water speeds up the release of the gas. This is why there may be a stronger smell during showers or while using appliances like dishwashers.
In some cases, the source of the odor could be your water heater. Many heaters contain an anode rod made of magnesium or aluminum, which prevents rust by attracting corrosive elements in your water. However, these rods can sometimes react with sulfur in the water, producing hydrogen sulfide gas. If this is the cause, replacing the anode rod with one made from a different material, such as zinc, can help resolve the issue.
If the problem originates within your plumbing system, the smell may be due to bacteria in the pipes. In this case, it’s important to consult with a professional plumber to assess your water quality and recommend the appropriate solution.
Is the Smell Dangerous or Just Unpleasant?
In most situations, the sulfur-like smell in your water is more of an inconvenience than a serious health risk. When hydrogen sulfide gas is responsible for the odor, it’s typically present in small quantities, which means it is unlikely to cause harm through regular activities like drinking or bathing. However, the intensity of the smell can make everyday tasks, such as cooking, brushing your teeth, or washing dishes, unpleasant.
It’s important to be aware that the odor may indicate a more significant issue. If bacteria are the source of the smell, it’s essential to investigate the cause. Certain types of bacteria can contribute to foul odors and damage your plumbing as well. If the smell seems to originate from your water heater or pipes rather than the water supply itself, a professional can identify the root cause and fix the issue.
For homes with private wells, regular water testing is a good idea. Over time, water quality can change due to a variety of factors, including leaks or other damage to your well. By staying on top of water testing, you can better monitor potential contaminants or shifts in mineral content, ensuring your water remains safe and clean.
How Water Filtration Can Help
Installing a water filtration system is one of the most effective ways to address the unpleasant rotten egg smell in your water. By filtering water as it enters your home, you can remove hydrogen sulfide and other contaminants before they reach your taps. This solution is especially beneficial for homeowners relying on well water, particularly in areas with high mineral content.
Activated carbon filters are ideal when the odor is not too severe and can be an affordable and low-maintenance option. However, if the smell persists or intensifies, a more advanced filtration system may be necessary.
An oxidizing filter, such as those using manganese dioxide, can offer better results in cases where the odor is particularly strong. These filters work by converting the hydrogen sulfide gas into a solid, which is then filtered out of the water.
Contact Your Local Professionals
Does your home suffer from bad tasting water or even smelly water? At North Brothers Plumbing, we have been serving the residents of Monrovia, CA, and the surrounding areas since 2003. We install whole-home water filtration systems. We can also help with all your other plumbing needs, including issues that may be affecting your water’s smell and taste. Contact us today to schedule an appointment with one of our experienced team members.
