Construction crew works on the Santa Monica Clean Beaches Project at Beach Lot 1, 1550 Pacific Coast Highway on Thursday, September 28, 2017. The project entails constructing an underground tank capable of collecting up to 1.6 million gallons of stormwater runoff and brackish groundwater, which the City of Santa Monica will treat for non-potable reuse such as irrigation and toilet flushing. By repurposing stormwater and brackish groundwater, the City of Santa Monica could save up to 560 acre-feet of water per year, or the equivalent of 275 Olympic-size pools. The Santa Monica Clean Beaches Project is anticipated to be completed by the summer of 2018.