There is very little information on the definitions. Two points I stumbled over: In the sheet, there is a mention of a discrepancy of data coming from a different department - without any further explanations. So it would be interesting how this discrepancy happended and how there are different measurment logics involved. And the second point: on the website the data source is provided with the add-on: based on estimated quantity. So it remains very unclear how the measuring process is happening and how the data are generated.
It also only provides the average of water use for one year. In another graphic provided at the website, it shows the change of proportion of different clients between 1990 and 2021. The water use of households and small companies increased dramatically, but it does not state if the overall amount has increased or only the proportions have changed.
