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.
Ground water is always moving by the force of gravity from recharge areas to discharge areas. Ground-water movement in most areas is slow-a few feet per year. But, in more permeable zones, such as solution channels in limestone, movement can be as much as several feet per day.round water is always moving by the force of gravity from recharge areas to discharge areas. Ground-water movement in most areas is slow-a few feet per year. But, in more permeable zones, such as solution channels in limestone, movement can be as much as several feet per day.