Table 1.
The wastewater production, collection, treatment, and reuse for crop irrigation in different countries in relation to the total agricultural area (Source, Aquastat-FAO) [9].
| Country | Total Area (1000 ha) | Cultivated Area (1000 ha) | Total Cultivated Area (%) | Produced Municipal Wastewater (109 m3/year) |
Collected Municipal Wastewater (109 m3/year) |
Treated Municipal Wastewater (109 m3/year) |
Use of Treated Wastewater for Irrigation (109 m3/year) |
|---|---|---|---|---|---|---|---|
| Australia | 774,122 | 47,307 | 6.11 | - | - | 2 | 0.28 |
| Brazil | 851,577 | 86,589 | 10.1 | - | - | 3.1 | 0.008 |
| China | 960,001 | 122,524 | 12.7 | 48.51 | 31.14 | 42.37 | 1.26 |
| Germany | 35,738 | 12,074 | 33.7 | - | 5.287 | 5.213 | 5.183 |
| India | 328,726 | 169,360 | 51.5 | - | - | 4.416 | - |
| Itlay | 30,134 | 9121 | 30.2 | 3.926 | - | 3.902 | 0.087 |
| Jordan | 8932 | 322 | 3.60 | - | 0.115 | 0.113 | 0.103 |
| Pakistan | 79,610 | 31,252 | 39.2 | 3.06 | - | - | - |
| South Africa | 121,909 | 12,913 | 10.5 | 3.542 | 2.769 | 1.919 | - |
| Turkey | 78,535 | 23,944 | 30.4 | 4.297 | - | 3.483 | - |
| UK | 24,361 | 6279 | 25.7 | 4.089 | 4.048 | 4.048 | - |
| USA | 983,151 | 157,205 | 15.9 | 60.41 | 47.24 | 45.35 | - |
| Canada | 998,467 | 50,846 | 5.09 | 6.613 | 5.819 | 5.632 | - |
| Sweden | 44,742 | 2608 | 5.82 | 0.671 | - | 0.436 | - |