By this time, the latter used the Wom not only for power, but also to supply watercress beds and fish ponds.
Until recently the river was diverted at this point to irrigate watercress beds before flowing into the Rib.
There are watercress beds at two places in the valley.
At the eastern location, there were approximately twenty five watercress beds each ten yards wide by one hundred yards long.
The severed roots were returned to the watercress bed where they were replanted.
It originally fed what is now thought to be some of the oldest watercress beds in Britain.
It formed the basis of Ewelme's watercress beds, which provided much local employment until well into the 20th Century.
There were more watercress beds to the north of the mill.
The watercress beds are a Site of Special Scientific Interest.
It eventually provided a ready supply of grapes, plus a dedicated mushroom house and watercress beds.