Rock Valley Culligan which is located in Rockford, IL services Southern Wisconsin, Eastern Iowa and Northern Illinois.

Now in our 70th year, we lead the water treatment industry in innovation and service. No other company compares.

We offer the largest variety of superior water and water treatment products available for your home or business including bottled water, water softeners, water filters, drinking water filters, reverse osmosis, softener salt delivery, deionization services, dialysis services, water for injection and laboratory water.

Plus Culligan products are built to last. They are backed by a 100% satisfaction guarantee — and the best trained and experienced service technicians in the industry.

Contact us now to enjoy the best water and service available. Just say — Hey Culligan Man!