Metering Standards

Domestic Services without Backflow Protection

Services and smaller

  1. Meters 2″ and smaller will be placed in a MWC owned meter pit. (Preference)
  2. Meters 2″ and smaller may be placed in an Above Ground Meter Enclosure (AGME)
  3. Meters 2″ and smaller may be placed in an external access meter room when there is not sufficient space for the meter pit. (Above Grade)

Services 3″ to 10*’

  1. Meters 3″ to 10″ will be placed in a Customer owned AGME (Preference)
  2. Meters 3″ to 10″ will be placed in an external access meter room where there is not sufficient room for the AGME. (Above Grade)

Domestic Services with Backflow Protection

Services of All Diameters

  1. Meters of All Diameters wilt be placed (in a Customer owned AGME with a testable Reduced Pressure Zone (RPZ) backflow preventer (Preference)
  2. Meters of All Diameters and the RPZ may be placed in an External Access Meter Room if there is not sufficient room for the AGME. (Must Be Above Grade)

Fire Service Lines without Hydrants, Fire Pumps or Tanks

Services of All Diameters

  1. Fire Service shall have a testable RPZ with small diameter bypass meter (5/8″) located in a Customer owned AGME (Preference)
  2. Fire Service shall have a testable RPZ with a small diameter bypass meter (5/8″) located in an External Access Meter Room. (Must Be Above Grade)

Fire Service Lines with Hydrants, Fire Pumps or Tanks

Services of All Diameters

  1. Fire Meters of All Diameters will be placed in a Customer owned AGME with a testable RPZ backflow preventer (Preference)
  2. Fire Meters of All Diameters and the RPZ may be placed in an External Access Meter Room if there is not sufficient room for the AGME. (Must Be Above Grade)