Crossword Puzzle River block

Clue: River block

River blocker (e.g. DAM with 3 letters)
River blockers (DAMS with 4 letters)
Stop blocking, as a river (UNDAM with 5 letters)
Winter river blocker (ICEDAM with 6 letters)
Winter river blockage (ICEDAM with 6 letters)
River blockage (e.g. DAM with 3 letters)
Block, as a river (DAMUP with 5 letters)
Winter's river blockage (ICEJAM with 6 letters)
Blocked, as a river (DAMMED with 6 letters)
With "The," show about John Astin's river-blocking kids? (DAMSFAMILY with 10 letters)