OK - not quite yet. The river flowing through Neverwinter isn't even named! I guess the assumption is that everyone already knows all this stuff...?
My assumption was there are (or were) plans to introduce a larger sourcebook for Neverwinter. Even if there aren't, it just reinforces the complaint that the SCAG was more of a player's introduction rather than a GM setting guide.
Could just be related to the Adventure League focus of 5e, where important information is expected to be included with the adventure, and everything is useless fluff at a public session.