In an unconfined aquifer system, the following agencies are affected by the decisions made to discharge water from the aquifer to fulfill water demands:

Department of Water Supply has a twofold role, namely, to allocate water to different purposes and to control the groundwater table variations. The decision makers in different agencies are asked to set their utility functions as given in Table 9. 19.

The analyst should set the weights shown in Table 9. 20 on the role and authority of different agencies in the political climate of that region:

The initial surface, volume, and TDS concentration of the water content of the aquifer are 600 km2, 1,440 million m3, and 1,250 mg/L, respectively. The net underground inflow is 1,000 million cubic meters/year, with a TDS concentration of 1,250 mg/L. Assume that 60% of allocated water returns to the aquifer as the return flow and that the average TDS concentration of the return flow is 2,000 mg/L and the average storage coefficient of the aquifer is 0. 06. Find the most appropriate water allocation scheme for this year using the NBT.

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Agency 1: Department of Water Supply Agency 2: Department of Agriculture Agency 3: Industries Agency 4: Department of Environmental Protection