A weir is a concrete spillway that is designed to prevent saltwater intrusion into the freshwater canal system. These concrete dams allow water to flow from the freshwater canal system into the saltwater canals and provide vital flood control.
A weir is a concrete spillway that is designed to prevent saltwater intrusion into the freshwater canal system. These concrete dams allow water to flow from the freshwater canal system into the saltwater canals and provide vital flood control.