Culligan established in Mahomet, Illinois and serving surrounding areas Our company has been providing conditioned water for your family, home and business for over 70 years. Nothing feels better than knowing that the water in your kitchen, your bath, your laundry, and all around your home is clean. And when it comes to delivering that cleaner, clearer, conditioned water, there is simply no one better than Culligan. With our decades of experience, you can trust that Culligan's Service Technicians will have the right solution to deliver better water to you and your home. From water softeners to water filters to drinking water systems to whole house systems, all of our innovative, state-of-the-art products and solutions are guaranteed to address your unique water problems and deliver cleaner, clearer, Culligan water to you and your family.