Mercury News: When the San Francisco 49ers' stadium opens next month in Santa Clara, almost all of it will be new except for one thing: the water used to irrigate the field and flush the toilets.
Like hundreds of other places around Silicon Valley -- golf courses, power plants, San Jose's airport -- Levi's Stadium will use recycled water, which is essentially sewage that has been filtered, cleaned and disinfected.
Valley water officials on Friday will take a big step toward expanding the use of recycled...