Water officials discussed Monday extending the supply contract for the State Water Project, a program that provides water for 25 million people and irrigates more than 750,000 acres of California farmland, for a 50-year period. Members of the Board of Directors for Foothill Municipal Water District — which distributes water imported from Metropolitan Water District to customers of the La Cañada Irrigation District, Valley Water Co. and the Crescenta Valley and Mesa Crest water districts, among others — considered the matter in a regular board meeting.