To repeal the Waters of the United States rule and amend the Federal Water Pollution Control Act definition of navigable waters, and for other purposes.

Regulatory Certainty for Navigable Waters Act This bill describes which bodies of water fall under federal jurisdiction and the scope of the Clean Water Act. Specifically, the bill: (1) repeals the Environmental Protection Agency's 2015 Clean Water Rule (commonly known as the Waters of the United States or WOTUS rule), (2) defines navigable waters, and (3) establishes a process for reviewing determinations that water bodies are navigable waters.