H.R. 9497Water Resources Development Act of 2026

1 recorded actionWhat the measure does Read on Congress.gov

Sponsor: Sam Graves [R-MO-06]
Cosponsors: 3 · 2 Democrats · 1 Republican
Policy area: Water Resources Development
Committee: Transportation and Infrastructure Committee
Latest action: Sep 17, 2026 · Received in the Senate.

IntroducedJun 29, 2026
Passed the HouseSep 16, 2026
Passed the SenateNot yet reached
Sent to the PresidentNot yet reached
Became lawNot yet reached

What the measure doesCRS summary

This bill authorizes and modifies certain water resource infrastructure projects and programs of the U.S. Army Corps of Engineers and makes related requirements. For example, the bill authorizes and modifies various water resources feasibility studies and projects of the Corps of Engineers, such as studies or projects to

maintain ports and harbors,
make certain waterways more navigable,
reduce flood and storm damage,
restore aquatic ecosystems and protect fish and wildlife,
protect shorelines,
address harmful algal blooms,
rehabilitate dams,
manage recreational sites and facilities,
support water supply and storage projects, and
support other water resources infrastructure.

The bill also directs the Corps of Engineers to establish an Office on Alternative Delivery Methods in order to accelerate project delivery of infrastructure.

In addition, the bill directs the Corps of Engineers to issue a rule that establishes categorical permissions for certain harbor or river improvements that will cause only minimal adverse environmental effects.

Written by the nonpartisan Congressional Research Service, describing H.R. 9497 as reported to House on Sep 3, 2026. It is not the text of the measure; a later amendment may have changed what it does.

How every member votedHouse roll call 313

House Sep 16, 2026

On Motion to Suspend the Rules and Pass, as Amended

Water Resources Development Act

Passed · Two-thirds required

415 Yea 9 Nay 9 not voting

Crossed both parties 9 of 424 voting members broke with their own party: 9 Republicans.

Open the official roll call

How the chamber split

One dot per member. Select a seat or a bar to filter the list.

DemocratsIndependentsRepublicansFilled: YeaRing: NayGrey: not voting or present

By party select a segment to filter

All members433 members

Democratic214 members

Independent1 member

Republican218 members

marks half of the votes cast. A party’s majority is the side most of its voting members took.

Cosponsors3 · 2 Democrats · 1 Republican

Signing on is not a vote: a member can cosponsor H.R. 9497 and vote against it. 3 signed when it was filed.

DRick Larsen [D-WA-02]Original2026 profile

RMike Collins [R-GA-10]Original

DFrederica S. Wilson [D-FL-24]Original

Who lobbied on H.R. 9497146 organizations

Organizations that named H.R. 9497 in a lobbying disclosure. Only those that cited the bill by number appear, so this is a floor, not a full list.

LOS ANGELES COUNTYfiled by CARPI & CLAY, INC

Insurance · Transportation · Budget/Appropriations · Marine/Maritime/Boating/Fisheries +2 more3 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

PAJARO REGIONAL FLOOD MANAGEMENT AGENCYfiled by CARPI & CLAY, INC, CAPITALEDGE ADVOCACY INC. (FORMERLY CAPITALEDGE ADVOCACY, LLC)

Budget/Appropriations · Natural Resources · Disaster Planning/Emergencies3 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

PORT OF LONG BEACHfiled by CARPI & CLAY, INC

Budget/Appropriations · Marine/Maritime/Boating/Fisheries3 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

ALABAMA STATE PORT AUTHORITYfiled by VAN SCOYOC ASSOCIATES

Budget/Appropriations · Marine/Maritime/Boating/Fisheries · Transportation2 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

AMERICAN COUNCIL OF ENGINEERING COMPANIESfiled by TAI GINSBERG & ASSOCIATES, LLCIts PAC: American Council of Engineering Companies

Transportation · Taxation/Internal Revenue Code2 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

AMERICAN SOCIETY OF CIVIL ENGINEERS

Science/Technology · Transportation · Aviation/Airlines/Airports · Taxation/Internal Revenue Code +7 more2 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

AMRIZE NORTH AMERICA INC.Its PAC: Amrize North America Inc. Employees PAC

Energy/Nuclear · Environment/Superfund · Transportation · Taxation/Internal Revenue Code +2 more2 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

AUTODESK INCfiled by AUTODESK, INC

Education · Environment/Superfund · Clean Air and Water (quality) · Trade (domestic/foreign) +5 more2 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

AUTODESK, INCfiled by CASSIDY & ASSOCIATES, INC.

Transportation · Manufacturing · Education · Environment/Superfund +4 more2 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

CALAVERAS COUNTY WATER DISTRICTfiled by O'CONNELL & DEMPSEY, LLC

Budget/Appropriations · Natural Resources2 filings · 3rd Quarter (July 1 - Sep 30) 2026Filing

242 disclosures name this measure. Retrieved from LDA.gov on 2026-10-27. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.