Upper District provides to a region that is one of a kind, given that most of the water needs are supplied from local resources. Of the annual water consumption in the San Gabriel Valley, 80% is supplied by groundwater and 20% is imported water.
Upper District provides to a region that is one of a kind, given that most of the water needs are supplied from local resources. Of the annual water consumption in the San Gabriel Valley, 80% is supplied by groundwater and 20% is imported water.
