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Some of the most important ways in which we as engineers can manage and protect downstream areas from a potential dam failure event are performing routine maintenance, providing sufficient spillway conveyance, and implementing proper emergency planning. Dam Safety regulations are constantly evolving and changing over time, so many existing spillways and embankments we work with […]
According to the Virginia Department of Conservation and Recreation regulations, high-hazard dams are required to pass 90% of the Probable Maximum Flood (PMF) or “most severe flood considered possible in a specific region.” The PMF results from the most severe combination of meteorologic and hydrologic conditions possible within a given drainage basin. Since the 1980s, […]
Crabtree Creek Dam No. 5A (CC5A) is a Natural Resource Conservation Service (NRCS) dam located in Wake County, North Carolina. The dam was constructed in 1973 along Interstate 40 (I-40). I-40 is a major interstate highway along the southeastern and southwestern portions of the United States. I-40 was constructed prior to the construction of CC5A, […]
The Virginia Lakes and Watershed Association is a volunteer organization and its mission is to provide education on water resources in Virginia.
