A number of factors have an impact on the quantity and quality of fres
hwater, particularly global population growth and economic development
. In the U.S., the electric utility industry is a large consumer of wa
ter resources. Understanding the factors which affect water resource m
anagement is important for sustainable development as well as ecosyste
m management. The effects of past and anticipated legislation in the U
.S. addressing clean water issues important to the electric utility in
dustry are discussed.