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.
Great Lakes Flow. The animation illustrates how water flows from one Great Lake to another and eventually to the Atlantic Ocean. This profile view of the lakes demonstrates that water flows from Lake Superior to Lake Michigan and Huron. Lake Huron then empties into Lake Erie. At the end of Lake Erie the water level drops nearly 170 feet as it goes over Niagra Falls and into Lake Ontario. From here the water travels through a series of locks that bring it to sea level, out the St. Lawrence Seaway, and to the Atlantic Ocean.