Students in GeoEnvironmental Science Program Study Ohio’s Buried Valley Aquifers
Groundwater supplies about 40% of the nation’s drinking water. It's especially important in rural areas, but even urban areas may depend on groundwater to meet a significant portion of daily needs. Groundwater, unlike surface water in streams and lakes, is a largely invisible resource because its presence is hidden beneath the Earth's surface. Groundwater is not evenly distributed and is available in greater quantities in some areas than in others.