Ridley Park is a borough in Delaware County, Pennsylvania, United States. The population was 7,002 at the 2010 census. Ridley Park is the home of The Boeing Company's CH-47 Chinook helicopter division.[4]
10. Contaminated surface water can eventually enter groundwater and contaminate it. 11. Depending on the type of soil or rock, groundwater will flow at different rates. 12. Rain and snowmelt infiltrate (seep) into the ground to become groundwater. 1. False.
Surface water includes all water in streams, lakes, and overland flow(runoff). Surface water systems typically include a drainage basin (tributary network) , a main stream (transportation system), and delta (distributary system) or in the case of an arid interior system an alluvial fan.