Watersheds are significant because they help replenish the supply of fresh water available for drinking water. A watershed is an area that gathers water from rain, snow and other forms of precipitation and channels it toward rivers, streams, reservoirs and other accumulation points.
Watersheds are the primary means by which most areas replenish their supply of fresh water used for drinking and agriculture. Many watersheds are under threat due to roads and industrial operations that release contaminants and pollutants into the environment. The presence of a forested or wooded area is important to maintaining healthy watersheds, since the soil releases water gradually and helps reduce contamination and pollutants.