Senate Environment and Public Works Committee Chairwoman Barbara BoxerBarbara Levy BoxerCalifornia AG Becerra included in Bloomberg 50 list Climate debate comes full circle Fox's Ingraham transitioning longtime radio show to podcast MORE (D-Calif.) and ranking member David VitterDavid Bruce VitterLouisiana congressman to challenge Dem Gov Kennedy says he won't run for Louisiana governor next year Dems face tough road ahead in Deep South MORE (R-La.) introduced the Water Resources Development Act (WRDA). S. 601 would authorize Army Corp of Engineer projects related to flood and storm risk reduction, coast and inland navigation, and ecosystem restoration.

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The Senate rejected an amendment from Sen. John BarrassoJohn Anthony BarrassoThe Year Ahead: Dems under pressure to deliver on green agenda White House jumps into fight over energy subsidies Clock ticks down on GOP Congress MORE (R-Wyo.) that would have stopped the Environmental Protection Agency (EPA) from expanding what can be identified as waters protected under the Clean Water Act. His amendment failed on a 52-44 vote — there was a 60-vote threshold for final passage.

Democratic Sens. Kay HaganKay Ruthven Hagan GOP, Dems locked in fight over North Carolina fraud probe 2020 Dems compete for top campaign operatives Senate GOP rejects Trump’s call to go big on gun legislation MORE (N.C.), Mark PryorMark Lunsford PryorMedicaid rollback looms for GOP senators in 2020 Cotton pitches anti-Democrat message to SC delegation Ex-Sen. Kay Hagan joins lobby firm MORE (Ark.), Joe DonnellyJoseph (Joe) Simon DonnellyHatch warns Senate 'in crisis' in farewell speech Dem senators Heitkamp, Donnelly urge bipartisanship in farewell speeches Schumer gets ready to go on the offensive MORE (Ind.), Heidi HeitkampMary (Heidi) Kathryn HeitkampHatch warns Senate 'in crisis' in farewell speech Dem senators Heitkamp, Donnelly urge bipartisanship in farewell speeches House passes bipartisan bill aimed at reversing rising maternal mortality rates MORE (N.D.), Mark BegichMark Peter BegichDem governors on 2020: Opposing Trump not enough Dem Begich concedes Alaska governor race to Republican Dunleavy Democrats gain governorships in red states MORE (Alaska), Joe ManchinJoseph (Joe) ManchinOvernight Defense: Senate bucks Trump with Yemen war vote, resolution calling crown prince 'responsible' for Khashoggi killing | House briefing on Saudi Arabia fails to move needle | Inhofe casts doubt on Space Force Hillicon Valley — Presented by AT&T — New momentum for privacy legislation | YouTube purges spam videos | Apple plans B Austin campus | Iranian hackers targeted Treasury officials | FEC to let lawmakers use campaign funds for cyber Manchin puts hold on FCC nomination over wireless internet fund delay MORE (W.Va.), Mary LandrieuMary Loretta LandrieuLobbying world Former New Orleans mayor: It's not my 'intention' to run for president Dems grasp for way to stop Trump's Supreme Court pick MORE (La.) and Claire McCaskillClaire Conner McCaskillThe Year Ahead: Tech braces for new scrutiny from Washington McCaskill: 'Too many embarrassing uncles' in the Senate FEC votes to allow lawmakers to use campaign funds for personal cybersecurity MORE (Mo.) voted with Republicans for Barrasso's amendment.

Barrasso said his amendment would have protected farmers and ranchers from the EPA, which has said it is considering holding more U.S. water bodies to higher standards under the Clean Water Act. He said the administration’s decision to expand waters to areas of farms would "have a huge impact on farmers and ranchers.”

Boxer urged her colleagues to vote against Barrasso’s amendment, calling it “an anti-environmental rider” to her bill.

“Without protections dangerous pollutants could be put into our water ways,” Boxer said ahead of the vote. “The Barrasso amendment is such an overreach that we will keep the state of U.S. waters in chaos. … Without these protections our drinking water would be at risk.”

An amendment from Sen. Bernie SandersBernard (Bernie) SandersBiden, Sanders lead field in Iowa poll Gillibrand says she's worried about top options in Dem 2020 poll being white men Trump will likely win reelection in 2020 MORE (I-Vt.) was also held to a 60-vote threshold. His amendment would have allowed FEMA to fund stronger restoration standards for culverts and bridges in Vermont that were damaged by natural disasters. He said the goal was to prevent the structures from being damaged again. His amendment failed on a 56-40 vote.

Republican Sens. Thad CochranWilliam (Thad) Thad CochranBottom Line Races Dems narrowly lost show party needs to return to Howard Dean’s 50 state strategy Espy files to run for Senate in 2020, setting up possible rematch with Hyde-Smith MORE (Miss.), Roger WickerRoger Frederick WickerAlmost half of US residents don't use broadband internet: study Afghanistan war at a stalemate, top general tells lawmakers Grassley open to legislation making it tougher for Trump to impose tariffs on national security grounds MORE (Miss.), David Vitter (La.) and Susan CollinsSusan Margaret CollinsOvernight Defense: Senate bucks Trump with Yemen war vote, resolution calling crown prince 'responsible' for Khashoggi killing | House briefing on Saudi Arabia fails to move needle | Inhofe casts doubt on Space Force House Dems follow Senate action with resolution to overturn IRS donor disclosure guidance Senate votes to overturn IRS guidance limiting donor disclosure MORE (Maine) voted with Democrats for the Sanders amendment.

Sen. Tom CoburnThomas (Tom) Allen CoburnThe Hill's Morning Report — Presented by PhRMA — Worries grow about political violence as midterms approach President Trump’s war on federal waste American patients face too many hurdles in regard to health-care access MORE (R-Okla.) said Sanders' amendment was "essentially an earmark" for his state.

The Senate accepted an amendment from Sen. James InhofeJames (Jim) Mountain InhofeSenate Armed Services chair not convinced of need for Trump's Space Force Overnight Defense: Senate moves toward vote on bill ending support for Saudi war | House GOP blocks Yemen war votes for rest of year | Trump throws uncertainty into Pentagon budget | Key Dem to leave transgender troop ban to courts The Year Ahead: Trump throws uncertainty into Pentagon budget MORE (R-Okla.) addressing federal land use in Oklahoma. His amendment passed by voice-vote.

Earlier Tuesday, the Senate approved 20 minor amendments en bloc.