Translations:Regenwassernutzung/204/en
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The non-potable requirement depends on the connected fixtures and their usage. Some average values are summarized in the table below for the requirement per person and day:
| Daily average consumption / person | ||
|---|---|---|
| House | Toilet flushing | 30 litres |
| Washing machine | 10 litres | |
| Garden irrigation | 60 L/m² year | |
| Cleaning purposes | 6 litres | |
| Showering, bathing, hand washing | 59 litres | |
| Drinking water | 1 litre | |
| Office building | Cleaning purposes | |
| Toilet flushing | 12 litres | |
| School / sports hall | Toilet flushing | 6 litres |
| Sprinkler system | 200 L/m² |
