theirwnpst, low moted in bay area if there's a drought on the bay area there's something with reflect to security issue asked. almost everything,maurine, i got resentment issues with him with rain and watershed. this is not looking down the road if you think about what we're saying which is you look at 40 years but today is what's going to tap right in front of us so 76, 77 scenario is probably in everybody's planning. the state require as submitle every five or six years how your making your investments and planning for it. it's not look long and plan today. >> i think we're more concerned about drought scenarios than year to year water supply. we have had tree rings and decade shifts in with tear shifts and so the australians have done a lot of work with the back to back droughts and they are now experiencing them so we're working with them on drought and run some risk consequence models to see what kind of investment does that mean. our problem is we get a hundred years of rain and then if you don't have long-term supply all the sudden you're in really a lot of trouble if you have