I have no connection to Q100 - only  just looking at the website to see current conditions notes - it seems to be "semi-official" as well ?  if you want to pay to play, they say they have current portage conditions.  Just thought I'd toss out that tidbit of info. below is copied from there.

"Portage Route Maintenance

Members of the Q100 Stewardship Program can download and reference portage routes and maintenance.

The map is available in 4 quadrants for easy viewing and printing.  A full size version (22x17) is also available. The latest update are conditions as of Aug. 24, 2013.

NOTE: These maps are password protected and are for Q100 Members only. If you are a Q100 Member, please contact us directly for a Username and Password.

(Adobe® Acrobat® Required. Get it here)

Quadrant 01 (PDF)

Quadrant 02 (PDF)

Quadrant 03 (PDF)

Quadrant 04 (PDF)

Full Size (22 x 17) (PDF) Updated Aug. 24, 2013."