Fruid Water is a river in the Scottish Borders area of Scotland. The valley it occupies has been dammed to form the Fruid Reservoir. The river is a tributary of the Tweed, with a confluence about 2 km upstream of Tweedsmuir. The river has a catchment area of 23.7 km², and a mean flow rate of 0.66 cubic metres per second leaving the reservoir.^[1]

Fruid Water
Fruid Water above Fruid Reservoir
Location
Country	United Kingdom
Part	Scotland, England
Physical characteristics
Mouth	Tweed
• coordinates	55°28′53″N 3°26′53″W / 55.4815°N 3.448°W / 55.4815; -3.448
Basin size	23.7 km2
Depth
• average	0.66 cubic metres
Discharge
• location	Fruid Reservoir