Maybe this will help those off the island eventually identify the state of their property:
https://www.meritalk.com/articles/crowd … re-damage/
I can't find the actual map, but looks like they have data loggers on site. I think this is actually being used in Santa Rosa to help evacuees identify whether their property is or isn't still standing.
By the way, how does anyone know that the water was safe, even before Irma?