Independently owned & operated. RainSoft of NE Iowa offers the very best home water treatment products and plumbing services to homeowners in Waterloo, Cedar Falls, Cedar Rapids, Marion, and throughout northeast Iowa. Founded in 1981 by Terry Bonik, who was later joined by current vice-president Rachel Faust, RainSoft of NE Iowa is an authorized RainSoft dealer capable of solving virtually any water- or air-quality problem you are having in your home. For example, if you have been dealing with the many problems associated with using hard water, such as dry, itchy skin, limescale buildup, and spotty dishes, our EC4 water treatment systems and AWS water softening systems can deliver an abundant supply of luxurious soft water throughout the home, and are built to provide a lifetime of dependable performance. We also carry the Ultrefiner II, a state-of-the-art reverse osmosis drinking water purifier that produces up to 50 gallons of crisp, bottle-quality water per day right at your kitchen faucet. Like the EC4 water conditioner, the Ultrefiner II water purification system is also backed by RainSoft’s industry-leading Limited Lifetime Warranty.