Sulfur Treatment

Sulfur & Rotten Egg Smell Water Treatment

Why Does My Water Smell Like Rotten Eggs?

If your water smells like rotten eggs, wet dog, or has a musty, earthy odor — hydrogen sulfide gas is almost certainly the cause. It’s one of the most common complaints we hear from homeowners on well water across Western Pennsylvania and Eastern Ohio, and it makes your water unpleasant to drink, cook with, or even bathe in.

What Causes Sulfur Smell in Well Water?

Hydrogen sulfide is produced by sulfur-reducing bacteria that live in groundwater and the rock formations surrounding your well. These bacteria feed on naturally occurring sulfur compounds and release hydrogen sulfide gas as a byproduct.

Common signs of sulfur in your water:

  • Rotten egg smell when running water
  • Wet dog or musty odor from taps
  • Earthy or swampy taste
  • Smell may be worse with hot water
  • Tarnishing on silver fixtures and utensils

The Fix: Chlorine Injection + CataPure Carbon System

After we test your water and confirm hydrogen sulfide is the issue, the solution is a two-stage treatment. First, we use Chlorine Injection or Hydrogen Peroxide Injection to neutralize the sulfur-reducing bacteria and oxidize the hydrogen sulfide gas. Then, our Chatfield Water Systems CataPure Carbon System filters out any remaining byproducts, leaving your water clean, clear, and odor-free.

This combination doesn’t just cover up the smell — it eliminates the source.

How We Solve Your Sulfur Problem

1. Test Your Water — We test on-site or send samples to a certified lab to confirm hydrogen sulfide levels and rule out other issues.

2. Assess Your Space — We visit your home to evaluate the installation area and plan the system layout.

3. Review Results & Quote — We recommend the right injection and filtration combination and provide a straightforward quote.

4. Install — We schedule installation at your convenience, and for standard setups, many systems can be installed the same day.

Schedule Your Free Water Test

Tired of the smell? A water test tells us exactly what’s causing it and how to fix it. Call (724) 588-2652 or fill out the form to schedule your free water test today.

Chatfield Water Systems

Air Fresheners Won't Fix Your Water

Opening windows and running fans might reduce the smell temporarily, but the hydrogen sulfide is in your water supply. Every time you run a faucet, shower, or dishwasher, the gas is released into your home. The only real fix is treating the water at the point of entry — before it reaches a single tap.

Serving Western PA & Eastern OH

We treat sulfur and hydrogen sulfide contamination for homeowners across Mercer, Crawford, Venango, Erie, Lawrence, and Butler counties in Pennsylvania, and Ashtabula, Trumbull, Mahoning, and Columbiana counties in Ohio.

Frequently Asked Questions

How do I get rid of the rotten egg smell in my well water?

Covering the smell does not address it. Chatfield's approach is a two-stage treatment applied after testing confirms hydrogen sulfide: chlorine or hydrogen peroxide injection neutralizes sulfur-reducing bacteria and oxidizes the gas, then the CataPure Carbon System filters remaining byproducts. Because the gas is in the water supply, opening windows or running fans only reduces the odor temporarily.

Why does my well water smell like rotten eggs?

Hydrogen sulfide gas is the usual cause, produced by sulfur-reducing bacteria that live in groundwater and the rock formations around a well. Other signs include a wet dog or musty odor, an earthy or swampy taste, tarnishing on silver, and an odor that is worse with hot water. Where the odor appears matters, so note whether it is hot water only or both.

Can sulfur smell be removed from well water?

Yes, when the treatment matches what testing finds. The combination of an injection stage and carbon filtration is designed to eliminate the source rather than mask it. Chatfield tests on-site or through a certified lab to confirm hydrogen sulfide levels and rule out other issues before recommending a configuration.

Is it safe to use well water that smells like sulfur?

An odor is an observation, not a safety determination, and the answer depends on what testing shows for your specific well. Odor alone does not establish what is in the water, and water can smell unpleasant for reasons unrelated to safety. Have the water tested and discuss the results with a qualified professional. Call (724) 588-2652 to schedule a water test.

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