The water meter is normally in your building. It is hooked into your plumbing. It should be in a location that is heated so that it does not freeze and break.
Possible Locations for Water Meters
Behind washer and dryer
Next to hot water heater
Under a sink
Outside Register (ROM)
The outside register (ROM) is no longer on your house due to the AMI project the City of Bay City had implemented in 2014. The new meters that should be installed in your house is a Smart Meter. If this meter is still the old style or you are not sure please call the Water Dept. at 989-894-8321