A study on expanding the proposed Woodacre Flats wastewater project released this month concluded that the best option would serve roughly 370 homes and businesses in Woodacre and San Geronimo.
The study builds on a previous but more limited examination of options to address leaky septic systems; that study only foresaw recycling wastewater from 210 homes, a project that would have cost roughly $9 million to build.
The new preferred alternative, which would cost $14…