Areas of Groundwater potential zones (sq·km) | ||||||
Years | Very low | Low | Medium | High | Very High | |
1992 | 511.519 | 502.237 | 504.837 | 515.558 | 485.647 | |
2002 | 504.208 | 505.508 | 532.652 | 487.615 | 489.815 | |
2012 | 505.762 | 503.552 | 514.447 | 505.781 | 490.256 | |
2022 | 506.804 | 508.767 | 498.699 | 509.473 | 496.055 | |
2042 | 507.910 | 427.911 | 731.893 | 318.925 | 533.159 | |