Question: what are the benefits of dams and reservoirs?
Answer: Recreation. Dams provide prime recreational facilities throughout the United States. ... 
Flood Control. In addition to helping farmers, dams help prevent the loss of life and property caused by flooding. ... 
Water Storage (Fire & Farm Ponds) ... 
Irrigation. ... 
Mine Tailings. ... 
Electrical Generation. ... 
Debris Control. ... 
Navigation.