| Aquifer | Groundwater depth (m) at wells percent of 30% | Groundwater depth (m) at wells percent of 50% | Groundwater depth (m) at wells percent of 90% |
| Ga’ra Aquifer. D1 | 150 | 110 | 58 |
| Mullusi Aquifer. D2 | 160 | 120 | 45 |
| Hartha Aquifer. D3 | 490 | 250 | 36 |
| Digma-Tayarat Aquifers. D4 | 260 | 240 | 200 |
| Muhaywir-Ubaid Aquifer. D5 | / | 225 | / |
| Ubaid-Mullusi Aquifer. D6 | 75 | 60 | 38 |
| Rattga-Digma-Tayarat Aquifer. D7 | 170 | 120 | 60 |
| Digma-Tayarat. D8 | 88 | 78 | 58 |