| Node | Description |
| 1 | Ghrib Dam. |
| 2 | Urban and Industrial Water Demands of Médéa. |
| 2 | Volume Runoff between Djendel and Ghrib. |
| 3 | AU1 Demand served by Ghrib dam. |
| 3 | Urban and Industrial Water Demands served by Ghrib dam (towns of Djendel and Zoubiria). |
| 4 | Deurdeur Dam. |
| 5’ | Urban and Industrial Water Demands served by Deurdeur dam (Théniet El Had et Bordj Amir Khaled). |
| 5 | AU2 Demand served by Deurdeur dam. |
| 8 | Confluence of Deurdeur and Chéliff Wadis. |
| 8 | Volume Runoff between Djendel and AribChéliff. |
| 10 | Water Intake from Chéliff Wadi by El-Khémis II pumping station, to fulfill: ・ The filling of Harreza dam by surplus water from November till March(*) ・ AU3 Irrigation demands. |
| 11 | Harreza Dam. |
| 13 | Pumping by El-Khémis II for AU3 Irrigation Demand. |
| 14 | Irrigation Demand in Upper-Chéliff not part of the sprinkler network system (AU4). |
| 15 | Confluence of Harreza and ChéliffWadis. |
| 15 | Desired demand downstream of Upper-Chéliff. |