Even though groundwater only makes up an estimated 0.61% of the water on E accounts for 533315 of the available fresh water. In many parts of the world {in southwestern North America} 1water is the primary limiting resource for society surrounding ecosystems. Despite the central role of groundwater's importa societyr few citizens understand even the basics of groundwater flow. 'r'ou n understand the fundamentals of groundwater ow and contamination. It may sa thousands of dollars when purchasing a home, it may save your community mi|| dollars in clean up costs, and it might preserve the rich biotic diversity in riparian