Culligan of Illinois
Your local water experts since 1936
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
Awesome service and staff are polite and helpful
Julie Johnson
05/06/2021
I love renting my Reverse Osmosis from Rock Valley Culligan! I've been using Reverse Osmosis for 25 years. The Ice Cubes we get from this water are crystal clear! The Grandchildren love the taste of the water and will not drink bottled water while visiting us!
William Johnson
07/29/2022
This store is open! Ive been picking up water from there for a while now. Its at 320 W Howard not on Plum.
Berkey Berkey
10/01/2019