What's in your water? McMahon"s Water Services is a family owned and operated business located in Alfred, Maine. Established in 1989 by Ed McMahon, who is a licensed and insured Master Plumber, Certified Pump Installer, and Water Filtration Specialist. The company has installed and serviced water filtration systems for satisfied customers throughout Southern and Central Maine. At McMahon's Water Services we treat our customers how we would like to be treated. We will always be honest, reliable and friendly. We practice professional ethics and character at all times. We service all brands of equipment, even if we did not install it. When you hire McMahon's Water Services, you will get Ed and/or his son Chad, always! We guarantee our equipment will do what we say and eliminate the water issues it was installed for. Our equipment is easy to service and maintain.