Targeted redevelopment area - Southwest Detroit In the last years, most of the planners and designers are interested in shaping the city of Detroit since the city after World War II, has faced main problems considering, population shrinkage, industry dislocation, movement of Detroiters to the developing suburbs, and downtown decline. Therefore, Detroit has many vacant lands and abandoned buildings. Although improving the empty spaces are a significant purpose but a creative idea to solve the stormwater problem should be considered by its design. As Detroit regularly experiences the hazards of flooding from the spring through the fall. Recently, Water runoff has been a critical issue for Detroit’s citizens, particularly in Southwest Detroit, the area has converted to the most polluted place in the country.