 You may not realize the danger until it's too late. Understand the risks before you head out on the water. Read and obey signage and check your route for hazards. Know the dangers of low head dams. Know how to avoid them. Know before you go. This message is from the Virginia Department of Conservation and Recreation. Stay up to date on the congressional primaries and conventions. Your voice and your vote never mattered more. Seville 1075 and 1260 WCHV News.