| Answer | Crossword Clue |
|---|---|
| SILT | Buildup behind a dam |
| LAKE | Area behind a dam |
| flashboards | A board used for increasing the depth of water behind a dam |
| flashboard | A board used for increasing the depth of water behind a dam |
| hydroelectric | Relating to or denoting the generation of electricity using flowing water (typically from a reservoir held behind a dam or other barrier) to drive a turbine that powers a generator |
| SILT | Dam buildup |
