1. Short Title This Act may be cited as the Regulatory Certainty for Navigable Waters Act . 2. Waters of the United States and navigable waters (a) Wotus repeal The final rule issued by the Administrator of the Environmental Protection Agency and the Secretary of the Army entitled Clean Water Rule: Definition of Waters of the United States (80 Fed. Reg. 37053 (June 29, 2015)) is repealed. (b) Navigable waters definition Section 502 of the Federal Water Pollution Control Act ( 33 U.S.C. 1362 ) is amended by striking paragraph (7) and inserting the following: (7) Navigable waters (A) In general The term navigable waters means— (i) the territorial seas; (ii) interstate waters which are presently used, or are susceptible to use in their natural and ordinary condition, as a means to transport interstate or foreign commerce; (iii) relatively permanent, standing, or continuously flowing bodies of water that form geographical features commonly known as streams, rivers, or lakes, that flow directly into waters described in clause (ii); or (iv) wetlands that have a continuous surface water connection to waters described in clause (ii) or (iii). (B) Exclusions The term navigable waters shall be limited to the waters described in subparagraph (A) and does not include— (i) intermittent or ephemeral waters; (ii) subsurface waters, including ground water or underground streams; (iii) any water that by itself does not meet the definition in subparagraph (A); (iv) an intrastate water, unless meeting the requirements of subparagraph (A); (v) a man-made channel or ditch, including irrigation, distribution, and drainage systems; (vi) a water that does not meet the definition in subparagraph (A), including a water that in the past could have been a water that meets the definition in subparagraph (A) or a water that in the future could be a water that meets the definition in subparagraph (A)