Sunnyside Reservoir
| Sunnyside Reservoir | |
|---|---|
| Location | Richmond-upon-Thames |
| Coordinates | 51°24′33″N 0°22′52″W / 51.4093°N 0.3811°W |
| Type | reservoir |
| Basin countries | United Kingdom |
| Built | 1896 |
| Islands | None |
Sunnyside Reservoir is a reservoir forming part of the Hampton Water Treatment Works within the London Borough of Richmond-upon-Thames.