Go to americanwhitewater.org, join, and
Posted by: g2d on Aug-15-12 6:28 PM (EST)
use their national river database.
Class 1-2 I've done in New England includes the Housatonic in CT, the Androscoggin in northern NH, the White in Vermont, and the run from Carry Brook to Forks on the Kennebec. All are relatively short runs, fairly unscarred though not wilderness.
I think you're setting your criteria wrong.