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Executive Order 13778

Waters of the United States: Revisited

Under the Obama administration, the Environmental Protection Agency (“EPA”) and the Army Corps of Engineers promulgated the Waters of the United States rule, which defined “Waters of the United States” to include small bodies of water, such as rivers and wetlands. However, in early 2018, the Trump administration suspended the rule to re-assess the definition. By the end of 2018, the EPA and the United States Department of Army released a new definition of “Waters of the United States,” restricting the definition to traditional navigable waters and their tributaries, certain ditches, certain lakes and ponds, impoundments and wetlands that are adjacent to water specifically covered by the rule.