McGowan Water Conditioning has been So. Minnesota's water treatment and water quality solution expert since 1955. McGowan sells, installs and services both residential and commercial soft water treatment equipment. Our knowledgeable staff offers the best variety of water treatment products and soft water services available for your home or business. Our services and products include: air purification, water softeners, water softener repair, water filtration systems, reverse osmosis water systems and softener salt delivery service. Water quality varies drastically in the Southern Minnesota area - McGowan Water offers a free professional water quality test before suggesting any water conditioning system. We fix common water issues such as: scale, bad smells and stains. Brands we service include: Culligan, Ecowater, GE, Fleet Farm, Erie, Morton, Sears, Taplin, Whirlpool, and Worthington.