Roger that Jim. Just (new thread) posted up the head page for all the USGS river gages. Just click on the State and start the search.
And as to you 'it will happen,' if you're in a 100 year flood plane and take out a new home loan .... you have about a ONE IN FOUR chance of collecting on it in any given year.
Them's crummy odds.
"“Reputation is what the world thinks a man is; character is what he really is.”