Pump Up Your Smart Water Technology With Culligan Aquasential™ Products
Introducing the Culligan Connect app – our smart water technology delivers real-time information, peace of mind and 24/7 support from...
We know
O'Fallon water.
O'Fallon water.
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.
Water Softeners
Say goodbye to dry skin, spotted glassware and high water heating bills when you rent or buy a Culligan® Water Softener!
Water Filters
Get rid of rotten-egg smells, cloudy sediment and acid stains when you rent or buy a Culligan® Water Filter!
Whole Home Systems
Skip hard water spots, chlorine smells and rust stains when you rent or buy a Culligan® Whole Home System!
Drinking Water Systems
Never worry about chlorine, "rotten-egg smells" and foul tastes when you rent or buy a Culligan® Reverse Osmosis Drinking Water System!
Bottleless Coolers
Take care of problem drinking water and bottle storage issues when you rent a Culligan® Bottle-Free Cooler!
Bottled Water Coolers
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
Special Offers
See our current Culligan water systems specials and enjoy healthy, high-quality water with Culligan. Better deals on better water.
Water Systems
Good, clean drinking water is essential to everyone's health. Culligan has the right water system for all your water treatment needs.
Free Water Test
Don't wonder what's in your water - your Culligan Man can tell you. Contact us for a free water test!
Latest Blog Posts
Drinking Water Quality: What You Need to Know
Get answers to common questions about America’s public and private water systems.
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.
Erin Murray
- Culligan Customer
