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The drainage challenges of a large settlement encompass both urban areas and adjacent agricultural and industrial zones. Surface runoff from increasingly impermeable subcatchments flows into the underground gravitational closed conduits drainage network of the settlement during rapid storm events, a phenomenon effectively modeled using hydrodynamic simulation tools such as SWMM. Meanwhile, excess precipitation water that fails to infiltrate the soil accumulates predominantly on agricultural lands outside the settl...

The discharge emanating from a municipal wastewater treatment plant (WWTP) is a contributing factor to the pollution load within the adjacent natural water body. Generally, effluent constraints can be upheld during periods of dry weather. Nonetheless, instances of surpassing these limitations are common during storm events due to the substantial surge in inflow. The retention of incoming stormwater presents an opportunity to mitigate both quantitative and qualitative concerns. However, the spatial and financial pr...