New Home Water Smells Bad? What to Check First

Moving into a new home is exciting until you turn on the shower and smell rotten eggs. It's a surprisingly common complaint in Central Florida, especially in newer homes on private wells. Homeowners often wonder whether filtration can fix it or whether they'll need to drill a deeper well. Before deciding anything, it helps to figure out where the smell is coming from.

Step one: hot water, cold water, or both?

This simple check tells you a lot. Run the cold water on its own, then the hot. Note which one smells.

• Smell only in hot water: the water heater is often the cause. A reaction with the heater's anode rod can produce a sulfur smell.
• Smell in both hot and cold: the source is more likely the water supply itself, such as hydrogen sulfide in a well.
• Smell only at one faucet: the drain or that fixture may be the issue rather than the water.

What causes the rotten-egg smell?

The smell usually comes from hydrogen sulfide gas. In wells, it can form naturally underground from sulfur in rock and soil or from bacteria that live in low-oxygen water. It's common in Florida groundwater. Even at low levels, people notice it right away.

Why it shows up in new homes

A new well, a new water heater, and water that sat in pipes before move-in can all play a part. Water that sits still in a new system may develop odors that fade after use, but a persistent smell usually points to the water source or the heater.

Should I drill a deeper well?

Drilling deeper is sometimes suggested, but it's expensive and there's no guarantee the water at a new depth will be better. Water at different depths can carry different minerals, and sulfur can be present at many levels. For most homes, treatment designed for hydrogen sulfide is a far more predictable solution than drilling.

Can filtration fix it?

Yes, in most cases, with the right type of system. Treating hydrogen sulfide typically involves oxidizing the sulfur and then filtering it out. A standard carbon filter alone may help at very low levels but can be overwhelmed. Iron often appears alongside sulfur in Florida wells, and the treatment should address both.

What to test

• Hydrogen sulfide.
• Iron and manganese.
• Hardness and pH.
• Bacteria, especially for a new well or after flooding.

The EPA recommends that private well owners test their water regularly, since there's no utility testing it for them.

What if I'm on city water?

A rotten-egg smell on city water is less common. Check the water heater first. If cold water smells too, contact your utility and consider testing at the tap. A chlorine smell is different. That comes from disinfection and a carbon filter usually helps.

Is smelly water safe?

Hydrogen sulfide at the levels usually found in household water is mainly a nuisance, but the smell can be unpleasant and can corrode metal over time. Because a new well may also carry bacteria or other issues, testing is the safest next step.

Questions to ask any water treatment company

Whichever company you talk to, a handful of plain questions will tell you a lot about the system and the people behind it. A trustworthy provider will answer each one clearly and put the important answers in writing.

• What did my water test find, and which of those issues will this system address?
• How did you size the system for my home and household?
• Exactly what work is included in the installed price, and what would cost extra?
• What maintenance will the system need, how often, and what does it cost?
• Who do I call if something goes wrong, and how quickly do you respond?
• What guarantee comes with the system if I'm not satisfied?

If a salesperson avoids these questions, rushes past them, or answers with a price that only lasts until they leave your driveway, that tells you something too. Good water treatment is a long-term decision, and the company should be comfortable with you taking time to think it over.

Why Florida homes need a local approach

Water across Central Florida changes from one neighborhood to the next. Much of it starts in the Floridan aquifer, where limestone adds calcium and magnesium, so hard water scale is common almost everywhere. City utilities then treat that water with chlorine or chloramine before it reaches you. Homes on private wells skip the utility entirely and can pick up iron, manganese or sulfur along the way, sometimes all three.

Climate plays a part too. Many Florida systems are installed outdoors or in hot garages, which affects which equipment and covers make sense. Heavy summer rain and storms can change well water quality quickly. A company that works in your area every day will know these patterns and ask the right questions about your home, rather than recommending a package built for somewhere else.

• City water: usually hard, with chlorine or chloramine added for disinfection.
• Private well: varies widely, so testing is essential and should be repeated over time.
• Older homes: may have existing copper plumbing that new PVC runs connect to.

What happens during a free Galene water assessment?

A Galene certified water specialist comes to your home and tests your water on the spot. They look at hardness, chlorine, iron and other issues that matter for your home, and they ask about the things only you can tell them: how many people live there, how many bathrooms you have, whether you are on city water or a private well, and what problems you notice day to day.

They also look at where a system could go, whether that's the garage, the side of the house or a utility closet, and check the plumbing, drain and power available there. Then they explain what they found in plain language and recommend a system that fits your water and your home.

You receive an exact written quote. There is no pressure to decide during the visit. Galene offers factory-direct pricing, a 30-day money-back guarantee and a 100% satisfaction promise, and new installations use PVC plumbing. If you'd rather think it over, compare other quotes or talk it through with family, that's completely fine.

The bottom line

If your new home's water smells bad, check hot versus cold first, then test. In most cases, treatment designed for sulfur and iron fixes the problem without the cost and uncertainty of drilling a deeper well.