The Name You Know and Trust

For 60 years, McGowan Water Conditioning has been serving Mankato and Southern Minnesota with water treatment services and products to provide clean water for healthy living. Our knowledgeable staff offers a free professional water quality test before suggesting any water conditioning system. We offer a wide variety of water treatment products for municipal and well water applications including: filtration systems, water softeners, reverse osmosis, UV lights and water heaters.


"The serviceman and salesman were great to work with. Overall service is the best." Dave F, North Mankato

Endless Hot Water

Conventional tank-type water heaters eventually run out of hot water when you take multiple draws in a row from the tank. Our tankless water heaters
only provide hot water when you need it. You’ll never have to worry about running out of hot water – no matter how much you use!