| Answer | Crossword Clue |
|---|---|
| spillway | a channel for overflow water in a reservoir |
| spillways | SPILLWAY, a channel for overflow water in a reservoir |
| sluices | An artificial water channel for carrying off overflow or surplus water |
| wasteweir | a sluiceway or passage for superfluous water in a reservoir, to prevent too great pressure on the dam, aka a spillway |
| wasteweirs | WASTEWEIR, a sluiceway or passage for superfluous water in a reservoir, to prevent too great pressure on the dam, aka a spillway |
| aqueducts | An artificial channel for conveying water, typically in the form of a bridge supported by tall columns across a valley |
| aqueduct | An artificial channel for conveying water, typically in the form of a bridge supported by tall columns across a valley |
