Culligan of Dekalb, IL

We know your water in Dekalb, and with over 85 years of experience, we know how to provide you and your family with the cleaner, safer and great-tasting water you deserve with our water treatment services.
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Limited-time offers and promotions

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$10 Drinking Water

Get Culligan Drinking Water for as low as $10 per month!

$39.95 Inspect & Check

Ensure your water softener is operating as efficiently as possible. We'll inspect any brand or model. What Does an Inspect & Check Include? *Adjust salt dosage, *Adjust regeneration frequency, *Analyze current softening needs, *Check salt level, *Check timer for operation, *Check water hardness levels, *Check water level and salt bridging in salt tank, *Explain how to select the right type of salt, *Explain softener operation

Why choose Culligan for your water treatment services?

As the leader in water treatment for 85+ years, Culligan is dedicated to improving lives and protecting the planet by providing access to safer, better-tasting and more sustainable water.

100% satisfaction
guarantee

If you're not completely satisfied within 30 days of purchase, we'll refund the cost.

Backed by science
and sustainability

We’re passionate about finding new ways to bring you better water solutions through sustainability-driven innovation.

Unmatched
care

Enjoy white-glove service, expert installation and hassle-free maintenance.

Long-standing
trust

With over 85 years of water treatment experience trusted by over 150 million customers, you can count on us to provide the solutions and service you need, anytime.

Looking for the right water treatment system for your home? Take our quiz!

Whether you have city or well water, take our quick and simple quiz to find out what’s happening with your water and get recommended water treatment solutions.

Ratings & reviews

“I like their service and the staff are always very accommodating and nice...

...recommend.
-Michelle A

“Excellent service and products

We are very pleased. Highly recommend.
-Dez S

“Needed a water softener for a house I was renting...

...excellent service by professional, knowledgeable staff from the office to the technicians. Would definitely recommend this company!! Thank you for the GREAT service :)
-Therese L

“Wonderful, trustworthy service.

Installing a water softener was the best decision. I wish more people had told me it was important to test and consider much earlier. My pipes and bathroom fixtures thank me and my hair is soft again!
-Kristin H.

“Safe, clean-tasking water directly from the tap is wonderful.

Had we realized just how affordable and stress-free the installation of our new reverse osmosis system was, we would’ve done it years ago.
-Anthony M.

“They helped me pick the best solution for my home.

They explained all the different options. I am happy with my water softener and reverse osmosis systems! Quick install, and looks like low maintenance.
-Steph L.

Schedule your free water consultation

Our Culligan water experts are ready to help you find the right solution for your problem water. We offer a free in-home water test, or we can schedule a phone consultation (you can select your choice in the next step).

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By opting in, you are agreeing to receive SMS messages from Culligan. Alerts at the phone number listed above. 4 msgs/month. If you have questions, text HELP to 73777 or contact Customer Service at 1-855-558-1684 or customerservice@culligan.com. You can opt-out of the subscription anytime by texting STOP to 73777. Msg&data rates may apply. You can view the Terms and Conditions here and Privacy Policy here.

Water treatment articles and resources

Explore more Culligan water solutions

Office
drinking water

Cost-effective and convenient systems bring fresh, filtered water to your employees.

Commercial & industrial water treatment services

Revolutionary designs for commercial and industrial water treatment are customizable to your business needs.

Frequently asked questions

What cities does Culligan of Dekalb, IL serve?

How do I find the best water treatment services & solutions for my home?

What are the signs of hard water in the Dekalb region?

How does the installation of my Culligan system work?

Where can I find information about warranties and manuals for Culligan products?

Does Culligan of Dekalb provide water treatment for both city water and well water?

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Culligan of Dekalb

mnihan@uswatercompany.comContact us

Mon:8.00am - 4.30pm

Tues:8.00am - 4.30pm

Wed:8.00am - 4.30pm

Thur:8.00am - 4.30pm

Fri:8.00am - 4.30pm

Sat:Closed

Sun:Closed

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