Lake Mead is primarily located on the border between Arizona and Nevada, formed by the Hoover Dam on the Colorado River.

Lake Mead is a large reservoir situated on the border of Arizona and Nevada, formed by the construction of the Hoover Dam on the Colorado River. It is one of the largest reservoirs in the United States and plays a crucial role in water storage for the southwestern U.S. Lake Mead serves as a key source of water for drinking, agriculture, and power generation. Over the years, water levels have fluctuated significantly due to drought, overuse, and climate change, raising concerns about its future sustainability. The lake is also a popular destination for boating, fishing, and recreational activities.