According to statistics from the American Association of State Dam Safety Officials, there are currently nearly 920,000 dams in the US. Most of these dams have been built for more than 50 years. Water facilities that have reached this age will often begin to show signs of aging and wear.

According to statistics from the American Association of State Dam Safety Officials, there are currently nearly 920,000 dams in the US. Most of these dams have been built for more than 50 years. Water facilities that have reached this age will often begin to show signs of aging and wear.