| Answer | Crossword Clue |
|---|---|
| floodway | an overflow channel |
| floodways | FLOODWAY, an overflow channel |
| sluices | An artificial water channel for carrying off overflow or surplus water |
| spillway | a channel for overflow water in a reservoir |
| spillways | SPILLWAY, a channel for overflow water in a reservoir |
| spillover | an overflow |
| spillovers | SPILLOVER, an overflow |
| SRO | Sign of an overflow |
| EMBANK | Protect from an overflow, in a way |
| backups | An overflow caused by a stoppage, as in water or automobile traffic |
