Introducing the Culligan Connect app – our smart water technology delivers real-time information, peace of mind and 24/7 support from...
Local expertise with industry-leading technology.
Culligan of O'Fallon
Backed by over 80 years of experience, your local Culligan Man has the perfect solution for your family's water concerns.
Say goodbye to dry skin, spotted glassware and high water heating bills when you rent or buy a Culligan® Water Softener!
Get rid of rotten-egg smells, cloudy sediment and acid stains when you rent or buy a Culligan® Water Filter!
Skip hard water spots, chlorine smells and rust stains when you rent or buy a Culligan® Whole Home System!
Never worry about chlorine, "rotten-egg smells" and foul tastes when you rent or buy a Culligan® Reverse Osmosis Drinking Water System!
Take care of problem drinking water and bottle storage issues when you rent a Culligan® Bottle-Free Cooler!
No more drinking and cooking with unpleasant tap water when you rent or buy a Culligan® Bottled Water Cooler!
More Than Water | Culligan
Nothing is more important to life than water. From microscopic organisms to massive cities, water sustains us all. That’s why, for more than 80 years, we’ve worked to provide the world with safe, clean and affordable water.
But today, the world faces a new range of challenges that require a global effort, with individuals, corporations and governments working together to build a better world. That’s why we’re renewing our commitment to making a real difference in the health and wellness of all people throughout the world.Learn More
See our current Culligan water systems specials and enjoy healthy, high-quality water with Culligan. Better deals on better water.
Good, clean drinking water is essential to everyone's health. Culligan has the right water system for all your water treatment needs.
Don't wonder what's in your water - your Culligan Man can tell you. Contact us for a free water test!
What Clients Say
Matt and the service team are amazing. We had some issues with our water softener and they were out the same day and made it right. We are so thankful! I highly recommend Culligan Water of O'Fallon, MO.
- Culligan Customer