S. 4576 · 118th Congress Colorado River Basin System Conservation Extension Act StagePassed a chamber SponsorJohn Hickenlooper Introduced2024-06-18 Latest action2024-12-18 · Held at the desk. Follow Summary Text Subjects Cosponsors (4) Votes (0) Actions Cosponsors (4) John Barrasso Current member Senate WY Republican Michael Bennet Current member Senate CO Democrat Cynthia Lummis Current member Senate WY Republican Mitt Romney Former member Senate UT Republican