IIJA Water Infrastructure Funding Faces a September 2026 Cliff
April 8, 2026 · 2 min read
Claire Cummings
The Infrastructure Investment and Jobs Act's authorization expires on September 30, 2026, and Congress has not introduced reauthorization legislation. For water utilities, broadband providers, and local governments still drawing on IIJA funds, the clock is running.
$568 Billion Deployed, Billions More at Risk
As of late 2025, approximately $568 billion—47% of the IIJA's $1.2 trillion authorization—had been allocated across 68,000 projects nationwide. But the FY2026 spending bills already rescinded over $2.3 billion in IIJA allocations, with the largest cut targeting the electric vehicle charging program at $879 million across formula grants, competitive grants, and the Joint Office of Energy and Transportation.
Core formula programs remain intact for now: highways, bridges, transit, and the $23.4 billion in combined water State Revolving Funds continue flowing. The $42.45 billion BEAD broadband program has approved 50 of 56 state and territory plans. But discretionary grant programs face an uncertain future without new legislation.
Water Funding at a Crossroads
The IIJA directed $50 billion over five years to water infrastructure, including $15 billion for lead service line replacement and $4 billion for emerging contaminants like PFAS. FY2026 enacted funding for EPA's State and Tribal Assistance Grants account totals $16.03 billion including IIJA advance appropriations.
But the deployment pace is concerning. Award volumes declined 53% in the first half of 2025 compared to the same period in 2024, driven by executive orders, EPA staffing reductions, and regulatory uncertainty around emerging contaminant standards.
What Grant Seekers Should Do Before September
Congressional committees have begun preliminary reauthorization work, but the central question—whether funding continues at IIJA levels or reverts to pre-2021 baselines—remains unresolved. Three steps matter now:
Submit applications for open IIJA programs immediately. Contact state revolving fund administrators to confirm project eligibility and timelines. And track reauthorization developments closely—tools like grantedai.com monitor federal funding changes in real time.
In-depth analysis of infrastructure funding timelines is available on the Granted blog.