Early C20 and marked as a tank on the 3rd ed county OS map. It is a tank or sump 10m E-W by 3m, with a ramp at the E end, with shorter parallel sumps or troughs on either side approximately 6x1.4m. Concrete, with stone copings to the main tank.
Recorded as part of Uplands Initiative Survey. R Hayman, H&H, 29/09/2009.