Culligan of Illinois
More than soft water, smart water
Get 24/7 monitoring and control with the Culligan Connect™ App
Water solutions you can trust
Backed by over 85 years of experience, your local Culligan Water expert has a wide range of products to address your unique water concerns.
The Culligan Water advantage
As the leaders in water treatment for 85+ years, Culligan Water helps you provide your family with better, safer water at every tap.
100% satisfaction guaranteed
If you are dissatisfied for any reason, Culligan will refund your purchase within 30 days.
600+ locations nationwide
With locally-owned dealerships in communities across North America, Culligan is your local water expert.
#1 in custom water solutions
No one filters, softens and delivers more than Culligan Water.
Culligan of Illinois
When you choose Culligan for your water needs, you’re choosing an industry leader with top-rated water treatment equipment, advanced technology and a 100% satisfaction guarantee. Since 1936, Culligan's local water experts have been committed to providing the best service available.
Worried about your water?
Get a FREE water consultation!
Improving your home's water is easier and more convenient than ever with Culligan Water's in-home or virtual appointments.
Culligan Water services
You can count on Culligan service to exceed your expectations. Check out the wide range of services provided by your local water expert below.
Water quality your family can count on
Culligan Water's award-winning technology and service have attracted recognition from some of the most trusted names in product testing and quality assurance.
The Culligan of Illinois difference
Great customer service! Everyone is always friendly, helpful, and genuine. Highly recommended.
Laura E. Doyle
11/23/2023
I am getting up in age. Having salt delivered and my filter changed is much easier than doing it myself. I receive a call about 30 minutes before arrival. The work is done quickly when they arrive
Dave Litwiller
11/17/2023
Great customer service, easy transaction, friendly staff, fast delivery and installation. Chris Bolger was very professional, explained everything about the equipment, answered all my questions and scheduled follow up appointment to test the water after the installation. Aaron and Dustin installed the equipment. I highly recommend Rock Valley Culli...
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Marta Wasko
11/15/2023