Culligan vs. Big Box Stores
When it comes to water treatment systems, Culligan Water offers a better return on investment than any big box store....
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
Super friendly on the phone. Delivery is fast. The delivery man that delivers our water is friendly, doesn't act like it's a hassle. The woman that I speak with at the Culligan office is understanding when I need to cancel a delivery. The email notifications are a nice reminder.
B M
- Culligan Customer
