Does Your Water Smell Like Sulfur or Rotten Eggs?

Find out how to fix this problem, quickly–with the help of your friendly Culligan Man

What our clients say

There’s a reason Countryside Culligan Water is the best water treatment company in with over 300 4.9-Stars Google Reviews.

The order and install was a breeze! We love the products, especially the RO system for quality drinking water. Our hard water deposits have been reduced by about 90%. Would definitely recommend to others.
Thank you to Nate and everyone at Culligan. We are loving our reverse osmosis water system - so glad we were able to ditch the plastic bottles. Would highly recommend Culligan for your water needs!
Water Softener and reverse osmosis water filter.Replaced old softener and added the water filter.I opted for equipment purchase rather than rental, and did opt for salt delivery and periodic inspection.Overall the attentive service and familiarity with equipment and installation, along with a follow up check left me quite satisfied with Culligan Winona.
Had a new drinking water system installed, Nate had been out for softener system and testing my water. Mentioned about a drinking water system and they ended up having a promotion out for the system so I signed up. They had it installed the next week and the water tests are coming back squeaky clean!
Excellent company all around! Great products and great customer service. We love our Culligan water system!
Very friendly. They helped us with all of our questions, even the oddball ones.
Great place great people fast unloading
Got my new Culligan UV system installed to help knock out harmful bacteria levels coming from our well. Check it out next to my Culligan of Winona water softener!
I had a small leak, called and talked to Sara. She had me send a picture to her phone. The next thing I know She tells me Brandon is on his way. It didn't take long for him to fix it. They were both helpful and friendly.Joe Luby
Great people and a great company!!
We're a couple weeks in with our water filter and couldn't be happier! This has made our well water taste and look so much better, and I feel better having our kids drink this! If you're debating getting one, it's well worth it!
Service and people are wonderful! Love my water softener less detergent for clothes dishes my hair is soft soft! Love it!
We just recently updated our old water water softener to a new Culligan HE Smart Softener. Excellent product! Being a "smart" softener it continuously monitors your water usage and recharges when necessary. Saving a lot of salt. It's got an app that updates you on satus, water usage, and maintenance. Very nice machine. Culligan of Winona was prompt, experienced, and accurate in our quote. Definitely would recommend!
My Serviceman replaced a faulty faucet and even provided one with the same finish as my new sink faucet. How neat was that?
Excellent service and great representative named John. Highly recommend.
The service technician did an excellent job changing out my filters in my Culligan drinking water system. Cleaned up after and told me what he did. Thanks for the great service and excellent drinking water.
Randy and Todd here from Skunk Coulee Road Galesville. Without the great folks at Culligan in Winona, we would have the worst well water. Thank you for past 8 years. And when a code popped up on the softener last weekend, and one phone call Monday morning they had the issue taken care of within hours. Thanks for the continued GREAT SERVICE!
Great company! They really met the needs of our small business. I feel good about knowing our water is safe
Christmas came early for us! 🎁 It was time for a new water softener and iron filter, and we went the rental route from Culligan. We couldn’t be more pleased! We also got the RO Filtration System for drinking water. Culligan Water Winona MN made it an easy transition, had great customer service, and the rental route requires no maintenance (including salt)! 👍 oh and the staff at Culligan are top notch!! ❤️💦⭐️⭐️⭐️⭐️⭐️
Great communication and perfect install of the system we needed.
Full service water deliver, water softener, and water filtration. Friendly and prompt on appointments. The only issue that drops star for me. 1. Transparency on pricing for services is lacking. 2. Pricey service....period. 3. Sends a card with an appointment date on it to service your Culligan water system....without your personal request. Forcing you to honor an appointment you didn't make or calling to cancel.Update. Not sure why this type of behavior started. Please tell your technicians NOT to park in people's driveways. Blocking a driveway means no one can get in or out. Park on the street!
Culligan Water of Winona does an excellent job of letting you know when they are scheduled for a delivery. They are courteous and friendly. Salt refills are completed quickly.
Easy access and open 24/7. Low cost for drinking water at 1/3 grocery store prices.
Really helpful visit! I opted to call for a complimentary water test. Great communication from the time of booking to the actual appointment, took time with me to listen to my concerns, provided information in a way that I could understand, reviewed options that I might choose to purse in the future. Thank you Calvin!
Great water system. Would recommend for anyone who has water problems.
Excellent immediate help when needed. My dog loves all the Culligan men.
On time and courteous. Spoke with confidence and was nice.
Customer oriented in every respect.
Great place to do business with, not to mention there water refill station on the side of the building is super convenient!
Sheldon got me set up with the softner and filter system quickly. He gave a a rundown of how the system works and was very courteous during the setup process.
Culligan in Winona has great customer service. They were very responsive when we recently had an issue with our water softener, while we were away on vacation. Sheldon the technician and also Shelley(?) who called back from the office were very helpful and friendly, and made sure everything was good after the servicing! They are the best!
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100% Satisfaction Guarantee Worlds most efficient NSF Certification | Countryside Culligan Water UL Certified Company in Winona MN, Sparta WI, Tomah WI, Goodview MN, Mauston WI, St. Charles MN
 Water Quality Association Tested and Certified Under Industry Standards

Usually, if your water smells like sulfur or rotten eggs, the reason is because your water has high Hydrogen Sulfide (H2S) content.

H2S is a gas that is released from the earth and finds its way into groundwater. It’s especially common in well water located near shale, sandstone, coal, peat, or oil.

(Occasionally, a rotten-egg smell in your water could also be caused by a water heater or by sewage pollution in your water. If you’re on city water, the most likely explanation is your water heater.)

A rotten-egg smell in your water may be strongest right after turning the water on, as heat forces the gas out of the water and into the air
H2S dissolves in water to create a weak acid that can corrode metal pipes

Negative Effects of H2S

In addition to potential health risks, having H2S in your water can cause all sorts of annoying problems. H2S in your water can:

  • Cause coffee and tea to be discolored and taste funny
  • Corrode metals (steel, copper, iron, brass), including silverware
  • Cause foods cooked with water to taste “off”
  • Create yellow or black stains in your bathroom and kitchen 

How Do You Fix It?

Here at Culligan, you can find everything you need to get rid of H2S and that sulfur/rotten-egg smell from your water.

The first step we have to take is to test your water, so we can be sure of the real cause of the rotten-egg smell.

Fortunately, here at Culligan we offer this service free. One of our water experts will come to your home to test the water (you can’t send it away to a laboratory because H2S is a gas and could dissipate during transport) and let you know the source of your rotten-egg smell. You’re under no obligation whatsoever. 

Culligan water treatment systems can completely remove the rotten-egg smell from your water

To get in contact with us and schedule your free water test, just fill out this quick form to contact us: