Related Clues:
- Stop (up)
- Barrier on a waterway
- Child falling over ending in the ditch
- Current inhibitor
- Fish ladder locale
- Hydro plant locale
- Water flow stopper
- Reservoir structure
- Block a river's flow
- Water barrier in Canada maybe
- Big bank?
- Obstacle for a fish
- Container of water?
- Riverbank flood blocker
- (Artificially strengthened) river bank