The challenge is to try to get everybody up to that level. I can't honestly say how long it would take to get everybody up to that level. The problems of water treatment operations are not that vastly different from the challenges you're looking at in housing and everything else that happens in remote small locations.
I think it's realistic to look at a five- to ten-year window over which you have almost everybody onside, but I'd be reluctant to say that you can guarantee everything done in that period of time.