This course introduces the principles, planning, design, and performance evaluation of sustainable stormwater management systems. It covers conventional drainage approaches and contemporary frameworks such as Low Impact Development (LID), Green Infrastructure (GI), Sustainable Urban Drainage Systems (SUDS), Water-Sensitive Urban Design (WSUD), sponge city strategies, blue-green infrastructure, and Nature-based Solutions (NbS). Students will examine interventions such as rainwater harvesting systems, green roofs, permeable pavements, bioretention systems, rain gardens, bioswales, infiltration facilities, and constructed wetlands, with emphasis on their applicability to tropical and Philippine urban conditions.

 The course follows an applied design-and-modeling approach. Students will assess an urban site, identify stormwater problems and constraints, select and size appropriate interventions, develop a baseline SWMM model, simulate alternative LID-GI scenarios, and evaluate performance using hydrologic, hydraulic, water quality, feasibility, operation and maintenance, and co-benefit considerations. The semester culminates in an Integrated Sustainable Stormwater Management Project that translates course concepts into a technically defensible site-scale plan.