Complex sentence: The Naugatuck has a trout management area between Route 118 and the Thomaston Dam, and is considered a trophy trout stream the rest of its length between the confluence of the East and West Branches and the Kinneytown Dam in Seymour.
Split into simpler sentences: The Naugatuck has a trout management area between Route 118 and the Thomaston Dam. It is considered a "trophy trout stream" the rest of its length between the confluence of the East and West Branches and the Kinneytown Dam in Seymour.