For the Czech Republic and Central Europe, the standardized consumption is 150 liters. A hygienic minimum of 100 liters per person per day is considered. Actual consumption, especially in smaller municipalities, can be as low as 80 liters per person per day – or even less! Higher consumption (over 200 l/day) is typically considered for treatment plants in England, Italy, Russia, and the highest consumption of up to 280 l/day is in the USA and Canada.
PE – The Person Equivalent (PE) is a unit representing the pollution generated by one person, with an average wastewater production of about 150 litres/day and a BOD5 production of 60 grams/day.