The purpose of this project is to analyze the area of Paradise Creek in National City, California. Flooding in the National City area along 18thSt. between Coolidge Ave. and National City Blvd. hasan adverse effecton the people and businesses. This flooding is caused by the incapacity for storm water conveyance, as well as the impervious surface which increases stormwater runoff, and high tides which feeds ocean water inland through the National City Creek Channel that liesadjacent to the area. ...