By importing water from at least three sources, the largest housing subdivision ever processed by Los Angeles County could actually enhance the health of the wild river that splits the project site, according to proponents. Opponents of Newhall Ranch, however, see the proposed 12,000-acre development as a threat to the Santa Clara River, the region's last undammed river, and to Ventura County farmers and urban water customers.
No matter who is right, Newhall Ranch is being closely watched statewide by...