wichita.edu
…the big deal? Content Stormwater runoff is generated from rain and snowmelt events that flow over land or impervious surfaces, such as paved streets, parking lots, and building rooftops, and does not soak into the ground. The runoff picks up pollutants like trash, chemicals, oils, and dirt/sediment that can harm our rivers, streams, lakes, and coastal…
https://www.wichita.edu/academics/fairmount_las/hugowall/efc/Project_Pages/stormwater-fee-guidance.php