On February 26, 2018, the Natural Resources Defense Council issued a 30 page report, produced for NRDC by Downstream Strategies, which assesses threats and likely impacts to waterbodies in Virginia during the construction and operation of the ACP and MVP. Threats to Water Quality from Mountain Valley Pipeline and Atlantic Coast Pipeline Water Crossings in Virginia focuses on erosion and sedimentation threats, as well as threats to drinking water supplies for cities like Norfolk and Roanoke, trout streams, minority communities like Emporia and Franklin, the Chesapeake Bay, and wetlands like the Great Dismal Swamp.