Rare Unanimity: House and Senate Panels Clear Water Projects Bill (WRDA) in Back-to-Back Votes

WRDA 2026 advances without a single dissenting vote in either chamber, but the Senate’s $35 billion-plus package — with expiring water funds, PFAS money and a fence around congressionally funded Corps projects — dwarfs the House’s leaner $6 billion Corps-only bill, setting up end-of-year negotiations.

Congress’ most reliably bipartisan infrastructure vehicle is on schedule. The House Transportation and Infrastructure (T&I) Committee approved its Water Resources Development Act (WRDA) of 2026 (HR 9497) by a 66-0 vote on July 14, and the Senate Environment and Public Works (EPW) Committee followed one day later, unanimously reporting its own version (S 4949) on July 15. Congress has enacted a WRDA every two years since 2014, and both chambers are moving to keep that streak alive in 2026. The bills authorize — but do not fund — U.S. Army Corps of Engineers civil works: navigation, flood and storm risk reduction, and ecosystem restoration. The Senate again goes further, bolting on a roughly $30 billion-plus reauthorization of EPA’s drinking water and clean water programs that lapse September 30, 2026.

The politics to watch: the Senate bill would prohibit the administration from pausing, terminating or deferring projects Congress has authorized and funded — a direct response to White House project pauses — and the two chambers must again bridge the gap between a Corps-only House bill and a far broader Senate package.

The Two Bills at a Glance

Project counts reflect committee releases and bill text; totals may shift on the floor and in conference.

How WRDA Works — and Why It Keeps Passing

WRDA is authorizing legislation for the Army Corps’ civil works program. Projects typically need two separate green lights from Congress: first authority to study a project’s feasibility, then — once the Corps completes a favorable Chief’s Report — authority to construct it. WRDA supplies both, along with policy direction to the Corps. Actual money comes later, through annual Energy-Water appropriations bills. That distinction matters: as Rep. Emilia Sykes (D-Ohio) noted after the House markup, authorization alone delivers nothing unless appropriators follow through.

The bill’s durability is structural. Nearly every congressional district touches a port, harbor, lock, levee, dam or watershed, so WRDA spreads tangible benefits across both parties’ territory. Since the modern biennial rhythm began in 2014, Congress has delivered six consecutive bipartisan WRDAs — the most recent, the Thomas R. Carper WRDA of 2024, was signed Jan. 4, 2025, carrying $10.7 billion for 21 construction projects and 200 new studies — and 2026 would make it seven. Sen. Kevin Cramer (R-N.D.) framed this year’s markup bluntly: passing WRDA unanimously every two years ”really is evidence that collaborative legislating still exists in the Senate.”

The House Bill: HR 9497

The House measure, unveiled June 26 by Chairman Sam Graves (R-Mo.) and Ranking Member Rick Larsen (D-Wash.), is a disciplined, Corps-focused bill estimated at just over $6 billion. A planned July 1 markup slipped to July 14 amid unrelated floor disputes, but the committee then reported it 66-0. As approved, it authorizes 133 new feasibility studies and clears 14 projects for construction (up from 131 and 10 as introduced), including Lower Columbia River navigation improvements and North Carolina coastal storm-risk work. Key policy strands:
 

•    Process streamlining. Categorical permissions, an electronic portal for permit preparation, submission and tracking, deadlines for responding to non-federal sponsors, and a directive to whittle down a construction backlog pegged at more than $100 billion.

•    New specialized Corps offices. An Inland Navigation Construction Organization to modernize lock-and-dam delivery, plus offices for alternative project delivery, water supply and drought resilience, and technical assistance/community outreach.

•    Alternative delivery and multi-year contracting. Reauthorizes and strengthens alternative project delivery and encourages multi-year Corps contracts — changes contractors say will cut costs and speed schedules.

•    Dam safety. Five-year reauthorization of FEMA’s High Hazard Potential Dam Rehabilitation grant program, which otherwise expires Sept. 30, 2026.

•    Local flexibility. Lets the Corps accept non-federal funds when projects bump against authorized cost ceilings, expands non-federal roles in dredging, and creates two new continuing-authority programs for drought resiliency and levee/flood-control upgrades.
 

One notable omission flagged by the American Society of Civil Engineers: the bill does not reauthorize the National Levee Safety Program (currently funded through FY 2028). Business groups lined up behind the bill — the U.S. Chamber of Commerce called WRDA “one of Congress’ most effective tools for strengthening our nation’s supply chains.”

The Senate Bill: S 4949

Chairman Shelley Moore Capito (R-W.Va.) and Ranking Member Sheldon Whitehouse (D-R.I.) released their text July 13 and marked it up just two days later, passing it unanimously with an amendment directing EPA study of microplastics in water. The Senate bill is built in two divisions.

Division A (Corps). Authorizes 47 new feasibility studies and 14 modifications to existing projects, from Alaska to West Virginia. Its most consequential policy language is Section 1115, which says the Secretary ‘shall not pause, terminate, or otherwise defer’ studies or projects that Congress has authorized and appropriated money for, with narrow exceptions — a rebuke of recent administration project pauses. Whitehouse’s framing: the bill signals Congress ‘wants more funding for Army Corps and EPA programs, not less.’ Other Division A items let sponsors contribute up to 10% above authorized cost caps to keep work moving, require 30-day Corps responses to congressional project inquiries, create reimbursement authority for sponsor-performed O&M on navigation projects, emphasize nonstructural flood mitigation (elevations, buyouts), and let the Inland Waterways Users Board send its recommendations straight to Congress without executive branch review.

Division B (EPA water programs). The headline dollars. With State Revolving Fund authorizations expiring Sept. 30, the bill reauthorizes both SRFs through FY 2030 at levels well above current law, boosts the WIFIA loan program, adds eligibility for lead service line replacement, PFAS/PFOS treatment and wildfire-risk mitigation, creates two water-sector cybersecurity programs sought by the American Water Works Association, and funds the Great Lakes Restoration Initiative.

Selected authorizations; figures as reported by Senate EPW and stakeholder analyses.
 

Recent Action: Timeline

Analysis: Five Things to Watch

1. Scope gap between the chambers. The core negotiation is familiar from 2024: the House wrote a Corps-only bill; the Senate added an EPA division worth roughly five times the House price tag. House committee jurisdiction complicates matters — drinking water programs run through House Energy and Commerce, not T&I — so folding the Senate’s Division B into a final deal requires buy-in beyond the water-resources committees. In 2024, most EPA provisions fell out of the final law; SRF advocates are pressing hard for a different outcome this time because the authorizations actually lapse Sept. 30.

2. The Section 1115 fence. The Senate’s prohibition on pausing or terminating funded projects is a bipartisan institutional response to administration impoundment-style actions. Whether the House — and ultimately the White House — accepts binding language limiting executive discretion over Corps work may be the sharpest policy fight in reconciliation. A veto-bait provision inside a must-pass bipartisan vehicle is a real, if unlikely, risk.

3. Floor timing and the calendar. Both committees moved in mid-July with an eye toward floor action before or shortly after the August recess; a fall reconciliation would tee up enactment by December, matching the 2024 pattern (House and Senate passed a conferenced WRDA in December 2024). Appropriations fights and shutdown brinkmanship earlier this year already cost the House bill two weeks at markup — the calendar, not policy, is WRDA’s biggest enemy.

4. Authorization vs. appropriation. Even at $35 billion-plus, the Senate numbers are ceilings, not checks. Congress has historically appropriated far less than authorized SRF levels, and the Corps’ construction backlog exceeds $100 billion. Watch the FY 2027 Energy-Water and Interior-EPA appropriations bills for whether the money follows the authorization.

5. Stakes for agriculture and shippers. For ag interests, WRDA is the lock-and-dam bill. Barge transport on the Mississippi and Ohio river systems underpins U.S. grain export competitiveness, and WRDA 2024’s shift of inland waterways construction cost-share to 75% general revenues / 25% Inland Waterways Trust Fund stretched trust fund dollars across more projects. WRDA 2026 builds on that: the House’s Inland Navigation Construction Organization and multi-year contracting target the chronic schedule slips and cost overruns that have plagued lock modernization, while the Senate’s Users Board independence provision gives shippers a louder, unfiltered voice. Waterways and farm groups — from the Waterways Council to state corn and soybean associations — are backing swift passage.
 

Backdrop: The WRDA Track Record