Why Does My Texas Water Smell Like Rotten Eggs? 

If turning on the tap in your Texas home releases a strong, rotten egg smell, you’re not alone. This unpleasant odor is typically caused by hydrogen sulfide gas—a common issue in both well water and municipal supplies across Texas, especially in regions like the Rio Grande Valley, San Antonio, and rural parts of Central Texas.

Let’s break down what causes this odor and how Sweetwater Home Services can help eliminate it for good.

What Causes the Rotten Egg Smell in Texas Water?

The culprit behind the sulfur-like smell is usually hydrogen sulfide (H₂S) gas, which can occur naturally in groundwater or form when certain types of bacteria break down organic matter in plumbing or well systems. This gas gives off that unmistakable rotten egg scent, and while it’s not typically harmful at low levels, it’s definitely not something you want in your home.

Common sources of hydrogen sulfide in Texas water include:

• Groundwater contamination (especially in wells)

• Bacterial growth in water heaters

• Decaying organic material in plumbing systems

• Chemical reactions with high levels of sulfur or magnesium

Is Smelly Water Dangerous?

In most cases, hydrogen sulfide is more of a nuisance than a health risk. However, higher concentrations can corrode plumbing, damage water heaters, and stain fixtures or laundry. It can also impact the taste of drinking water and cooked foods, making it a problem that warrants prompt attention.

If you notice the smell only from your hot water taps, your water heater may be to blame. However, if both hot and cold water carry the odor, your source water or plumbing system may require a comprehensive repair.

Solutions for Sulfur Smell in Texas Homes

At Sweetwater Home Services, we specialize in water treatment systems built specifically for Texas water conditions. Depending on your location and whether you're on city or well water, we may recommend:

• Whole-home chemical filtration systems to neutralize hydrogen sulfide and reduce odors

• Well water filtration systems with oxidation and carbon filtration for rural homes

• Water heater maintenance or replacement of anode rods if the odor is isolated to hot water

Our team begins with a water test to identify the source of the odor and develop a personalized treatment plan tailored to your specific home.

Don’t Ignore the Sulfur Smell

That rotten egg smell in your water is more than just unpleasant—it’s a sign your water quality needs attention. Whether you live in San Antonio, Austin, or the Rio Grande Valley, Sweetwater Home Services offers targeted solutions that leave your water clean, fresh, and odor-free.

Schedule a water evaluation today and say goodbye to sulfur smells for good.