we had in june san juan bativitia and for two months couldn't use the tap water or showers because of contamination of the water sources and we have cities across america with examples of this happening and we would like to take the steps i have spoke about the technologies proprietary that are available and i don't think people are thinking about situations like the sea level rise and the planning process with the new developments coming under way. this puts us in a situation that we don't have a reliability and it's broader than just san francisco because we have cities along the bay that rely on hetch hetchy and the more pure water we have available and decisions were made we were going to mix groundwater with that water and i think we need to look another strategy to address the problems proactively and we can do that if we have the strategies here and new planning in place are not over burdening our systems but new strategies for providing us with a decentralized way or means of keeping our clean water and sewage systems operational and i would like to address the denight ifz and