San Diego’s regional economy depends on cutting-edge industries such as life sciences, technology, aerospace, academia – not to mention the vibrant brewing sector. Together, those industries help drive economic prosperity countywide, and they share a basic need: reliable access to water. It may seem obvious, but newly released numbers reveal just how vital a safe and reliable water supply is to the region’s economy. Those five water-dependent industry clusters – life sciences, technology, aerospace, academia and brewing – collectively support daily business sales of nearly $30 million, according to a new report from the San Diego Regional Economic Development Corp.