What is a Watershed?

A watershed is a drainage area or basin in which all precipitation that falls within its boundaries flows to some central collector, like a stream or a lake, at some lower elevation.

Where does Groundwater come from?

Groundwater is essentially rainwater filtered through the soil into underground water systems called aquifers, akin to natural pipes and storage tanks. Wells tap into these sources and pump the water out.

Why is it important to worry about land use if the water is underground?

Since groundwater is recycled through the soil from rain, the contaminants in the soil and air affect the overall quality of the water that reaches the groundwater sources. While vegetation biologically cleans the water as it seeps into the soil, some contaminants are still conveyed to the drinking water which can then be imbibed by humans with health consequences.

What is a Groundwater Recharge Area?

This is an area of land where precipitation infiltrates the soils and percolates downward to replenish an aquifer. Therefore, it is especially important to be aware of the land uses and possible contaminants in this area because there is an increased likelihood that these contaminants will more readily affect the drinking water.

What is a Groundwater Aquifer?

This is an underground geologic formation that can hold and provide large quantities of water readily. Sort of akin to underground lakes and rivers.

What is a water table?

A water table is the boundary between the saturated and unsaturated zones in the ground. Generally, this is the level to which water will rise in a well.