Ban Near on Diverting Water From Great Lakes The House began debate Monday on a sweeping bill that would ban almost any diversion of water from the Great Lakes’ natural basin to places outside the region. The measure is intended to put to rest longstanding fears that parched states or even foreign countries could do long-term damage to the basin by tapping into its tremendous body of fresh water. The bill, which would also put in place strict conservation rules for the eight states that border the lakes, is expected to win House approval, perhaps as soon as Tuesday. It has already been passed by the Senate, and the Bush administration has signaled its support. So House backing for the measure, known as the Great Lakes Compact, is regarded by its many advocates across the Midwest and in New York and Pennsylvania as a long-sought final piece to a complicated puzzle whose solution started taking shape a decade ago in an effort to give the region control over its water. The fear was that without strict, consistent rules on who is entitled to that water, it might start disappearing....