McGowan Water Conditioning Inc. has been Mankato and Southern Minnesota’s water quality solution experts since 1955. After more than 50 years of selling, installing and servicing both residential and commercial water treatment equipment, we’re confident we have the solution to your water quality concern. McGowan’s can help with everything from water softener sales and service to whole house water filter systems. We offer the best variety of water treatment products and services available for your home or business including water softeners, water filtration systems, reverse osmosis drinking water systems and softener salt delivery service. Water quality varies drastically all over the Southern Minnesota area and McGowan’s offers a free professional water quality test before suggesting a water conditioning system for your home or business.