The two centres are served by 326 transfer stations. In 2002, there were 30 municipal waste management systems, 26 806 drop-off points, 26 sorting stations, 54 transfer stations, 5 units for organic waste valuation, 2 incineration units with energy recovery, and 37 landfills. The minimum amount due is EUR 5 000 per entity treating waste. Primarily due to an increase (by 18% in 2000-07) in intensity of use of irrigation water (litre/ha irrigated).