Maher Water Corporation has been your trusted name in water treatment in Central and Northern Wisconsin for over 60 years. We are a family-owned local company and the only water treatment company in this area that provides routine service and maintenance after the sale on a route basis, for no extra charge beyond the cost of salt or other regenerants required for the water equipment in the home or business. We offer free water testing for hardness, acidity, iron, pH, and total dissolved solids and will provide you with an accurate quote for the right equipment for your water treatment needs. FREE WATER TEST!