"We Sell The Best & Service The Rest" Affordable Water, Inc., in Belvidere, IL, is a leader in water purification equipment and service serving Northern Illinois and Southern Wisconsin with 35 years of experience. We offer residential and commercial water conditioning repairs, sales, and service. We specialize in reverse osmosis, sanitizer, drinking water systems, hard, rusty, smelly water, and more. For all your water softener needs contact Affordable Water, Inc., in Belvidere.