Affordability indicator

1 Star2 Stars3 Stars4 Stars5 Stars (2 votes, average: 5.00 out of 5)

The affordability index is the ratio of the price of 120 m3 of water used by a household of 3  (water supply and sanitation) to the income of that household. When the affordability index is too high, social measures may be required. In France and UK, an index of 3% is considered reasonable by official bodies. In France a bill has been proposed to alleviate water expenditures of those having to spend  over 3% of their income for water bills.