Drinking Water Quality: What You Need to Know
Get answers to common questions about America’s public and private water systems.
We know
Rockford water.
Rockford water.
Local expertise with industry-leading technology.
Rock Valley Culligan
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!
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!
Bottled Water
Say goodbye to drinking water fountains and restaurant tap water with bottled water from your local Culligan Man™!
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
Sustainable Water Treatment Options for the Environmentally-Conscious Consumer
Culligan Water solutions help you become greener, cleaner and more cost-efficient with your water use. Learn how.
What Clients Say
This place is such a pleasure to deal with. So helpful in every way. This is the ONLY water company I will deal with. Prices are reasonable and if you finance with them, the terms are so easy. So glad I switched water companies and found Rock Valley Culligan!!
Kim Allsen
- Culligan Customer
