A large compound meter is a water meter that is 3 inches or larger, and used for domestic and fire services. These may service a permanent structure that can be used for multi-family, commercial, or government.

Small domestic water meters are any size meter that is 2” and smaller that may service a permanent structure that can be for residential, multi-family, commercial, or government use.

A transient water meter service is a “temporary” meter typically installed on a publicly-owned fire hydrant. A transient meter is only permitted for commercial use. 

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