The Biden Administration signed off on Environmental Protection Agency, or EPA, regulations to protect small streams, wetlands and waterways as part of the Clean Water Act, just before the end of 2022.President Biden’s signing of the regulations ultimately repealed Trump-era regulations that made many waterways susceptible to pollution and were thrown out by federal courts.The EPA signed off on the revised definition of "Waters of the United States," on Dec. 29, while the U.S. Army Corps of Engineers signed off on the revised definitions on Dec. 28.The revised rules define what types of water bodies are protected under the Clean...