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GREENACRES · SULFUR SMELL

Water Smells Like Rotten Eggs in Greenacres

In a Greenacres home on Palm Beach County water, a rotten-egg smell that shows up only on hot taps almost always starts in the water heater, where the anode rod can react with the water and form hydrogen sulfide gas. A sulfur smell around sprinklers usually comes from an irrigation well. If you drink from a private well and smell it on hot and cold taps, hydrogen sulfide in the groundwater is the likely cause. A hot-and-cold check plus a test sorts it out.

Where you notice it tells you a lot

Where you notice itMost likely source
Hot taps only, worse after the water sitsTank water heater and its anode rod
Around sprinklers, wet walls and walksIrrigation well water
Hot and cold, every tap, on a wellHydrogen sulfide in the groundwater
Only on softened waterSulfur bacteria in the softener
One sink onlyOften the drain, not the water

The softener and well rows come from the Florida Department of Health's fact sheet on well water odor and staining.

The water heater explanation

Tank water heaters protect themselves with a sacrificial anode rod, often magnesium. In warm, still water, bacteria can react with it and produce hydrogen sulfide. That can happen on any water supply, including PBCWUD's chloraminated water, and it is usually worse after a vacation or in a guest bathroom. A plumber can flush the tank or change the rod type. Check the heater manufacturer's guidance first, since rod changes can affect the warranty. A filter on the main line usually will not fix a smell that forms inside the heater.

Irrigation wells

Some Greenacres homes water their lawns from a private irrigation well. That water is untreated groundwater, and the Department of Health notes hydrogen sulfide can occur in wells anywhere in Florida. The smell hangs around while sprinklers run and on wet surfaces afterward. It does not affect your county tap water, which comes through a separate meter and line. Iron often comes with it; see orange stains in Greenacres.

Private drinking wells

Hydrogen sulfide in a drinking well is treated with methods chosen from the well's test, such as aeration or oxidation followed by filtration. Iron and hardness change which equipment fits. Compare in aeration vs. filtration for sulfur smells and see well water treatment in Greenacres.

A different smell: chlorine

A bleach-like or pool-like smell is the disinfectant, not sulfur. PBCWUD uses chloramine in the eastern service area and switches to chlorine only twice a year to clean its pipes, when many people notice the smell more. See chloramine filters in Greenacres.

What Jorge checks

Hot and cold taps side by side, the water heater's age and use, chloramine, pH and iron, and an outdoor spigot or irrigation line if you have a well. If the heater is the cause, he will tell you, and you may not need any equipment at all. Call, text or WhatsApp Jorge at (305) 793-5974.

Updated 2026-10-17 · Living Waters · Jorge Canela, Water Quality Specialist

Common questions

Is the rotten-egg smell from the county water?

If it is on hot taps only, it almost always forms in the water heater, not in the county supply.

Why do my sprinklers smell like sulfur?

Irrigation well water is untreated groundwater, which can carry hydrogen sulfide. It is separate from your tap water.

Is a sulfur smell harmful?

The Florida Department of Health says sulfur bacteria are not harmful and the smell usually does not reflect how clean a well is. It still recommends regular bacteria testing for drinking wells.

Why is the smell worse after vacation?

Hot water sitting in the tank gives the anode reaction time to build up gas. Running the hot water for a few minutes usually clears it for a while.

Does the test cost anything?

No. The in-home test is free.

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