Lake Saint Clair (Washington)
| Lake Saint Clair | |
|---|---|
| Location | Thurston County, Washington |
| Coordinates | 47°00′01″N 122°43′12″W / 47.000256°N 122.720036°W |
| Type | Natural freshwater lake |
| Basin countries | United States |
| Max. length | 1.63 mi (2.62 km) |
| Max. width | 0.35 mi (0.56 km) |
| Surface area | 244 acres (99 ha) |
| Max. depth | 110 ft (34 m) |
| Surface elevation | 72 ft (22 m) |
| Islands | Various islands and islets |
| References | Geographic Names Information System: 1508007 |
Lake Saint Clair is a lake in the U.S. state of Washington. The lake has a surface area of 244 acres (99 ha) and reaches a depth of 110 feet (34 m). It is a kettle lake with no outlet and is fed from Eaton Creek to the South.
The lake's name is a transfer from Lake St. Clair, in Michigan. The lake has four islands; two of them are named as Dollar and Goat islands.
In June 2025, swimmer's itch was reported at the lake, prompting Thurston County to issue a public advisory to avoid swimming there.