8-inch

Minimum size water main for the public water system. Looping back into the distribution grid shall be at intervals as required by the City, but shall generally not exceed ±600 feet. Public water distribution mains, and permanently dead-end mains supplying fire hydrants with a required fire flow of 1,500 gpm or less.

10-inch & Larger

As required for transmission mains, distribution mains in industrial subdivisions, and fire lines supplying more than 1,500 gpm.