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Texas Water Funding After Proposition 4: What It Means for Your Project
Texas has made a serious commitment to water infrastructure. In 2023, voters approved a constitutional amendment creating the Texas Water Fund, seeded with a $1 billion appropriation. In November 2025, voters approved Proposition 4, dedicating a portion of state sales tax revenue to that fund — up to $1 billion per year beginning in 2027 and running through 2047. That’s real money, and it’s headed toward water and wastewater projects across the state.
But money alone doesn’t build anything. If you’re a utility, a municipality, a developer, or an engineer trying to figure out what this means for your project, here’s what you need to know.
How the Money Actually Reaches Projects
The Texas Water Fund isn’t a grant program or a loan window you can apply to directly. Think of it as a reservoir that feeds into existing Texas Water Development Board (TWDB) financing tools, including:
- The Clean Water and Drinking Water State Revolving Funds (SRF)
- The New Water Supply for Texas Fund
- SWIFT (State Water Implementation Fund for Texas)
- The Flood Infrastructure Fund
- Rural Water Assistance and other targeted programs
Most utilities and project sponsors will feel Proposition 4 through the SRFs — that’s where the additional capacity will show up, and where the bulk of applications are processed. The Proposition 4 dollars aren’t expected to meaningfully filter into those programs until late this decade; accordingly, proponents should begin positioning projects now, rather than after official program guidance and funding notices are issued.
What It Can Pay For
Aging systems in small and rural communities. Many smaller systems — those with 1,000 to 2,000 connections, aging infrastructure, and long-deferred maintenance — qualify as “disadvantaged communities” under the SRF programs. That status opens the door to principal forgiveness, which is effectively grant funding. Some very small systems can achieve near-100% grant coverage.
The catch: even a modest loan component can be a barrier. Some systems have turned down 90% grant / 10% loan packages because boards — often composed of longtime community members — won’t approve any rate increase, even a small one. More available funding doesn’t change that dynamic. It does, however, create real opportunity for systems willing to have honest conversations about financial sustainability.
New water supplies. The New Water Supply for Texas Fund targets larger-scale infrastructure: brackish and seawater desalination, produced water treatment, aquifer storage and recovery, water reuse, and fully permitted reservoir projects, including the pipelines to connect new supply to existing systems. Population growth, data center demand, and emerging PFAS treatment requirements mean this category of work is only going to grow. Larger regional authorities and private utilities are often best positioned to pursue these projects, though private entities typically still need a public partner as the eligible TWDB applicant.
Conservation and water loss. A portion of Texas Water Fund dollars is specifically earmarked for water conservation and loss mitigation — leak detection, meter replacement, smart meters, and similar projects. For smaller systems, this can be a more achievable entry point than a full plant replacement, and it can still unlock grant or low-cost loan dollars. Systems that get permitting and preliminary engineering done now will be far better positioned when new funding waves open up.
The Real-World Friction
The timeline is longer than most people expect. A typical SRF cycle runs roughly 14 months from the Project Information Form (PIF) deadline in early March through final application the following January — and the process is currently running about six months behind historical norms. If you decided in January that you need funding this year, you’re already behind.
In wastewater, the permit comes first. Sponsors used to be able to run design and TCEQ permitting in parallel. That’s increasingly no longer the case. New discharge standards or mid-project rule changes can dramatically alter project scope — sometimes more than doubling projected costs. There is also less grant and forgiveness money available for wastewater than for drinking water, even as regulatory expectations increase. Early permitting strategy isn’t optional; it’s where projects are won or lost.
Contractor availability is a real constraint in some markets. In West Texas and other rural regions, the contractor base is thin. Owners and engineers sometimes find themselves essentially marketing projects to a handful of firms just to get competitive bids. Competitive Sealed Proposals (CSP) — which allow some consideration of contractor qualifications alongside price — are often a better fit than pure low-bid procurement in these markets.
Getting Your Project Ready
The funding environment is more favorable than it has been in years. The projects that will capture it share a few characteristics:
Start early and plan around the TWDB calendar. The SRF process rewards sponsors who are already in the pipeline, not those reacting to emergencies. Align your project with regional and state water plans, and get your Project Information Form submitted before the first Friday in March.
Get honest about rates and financial capacity. Grant funding is powerful, but almost never truly free. Boards that won’t raise rates to support a 10% loan component are leaving substantial public investment on the table.
Match your project delivery method to your funding source. Construction Manager at Risk (CMAR) can be difficult to use with TWDB funding — the administrative burden is high and cost savings can be hard to document. A well-run design-bid-build or CSP process often works just as well and fits more cleanly with program requirements.Integrate legal and engineering advice from the start. Engineers are frequently asked to modify standard form contracts without legal review — and key provisions on procurement, indemnity, and insurance can end up out of step with Texas law or TWDB requirements. The healthiest projects treat attorneys and engineers as parallel advisors to the same client, brought in early enough to align project delivery, permitting strategy, and contract structure before problems develop.
The Texas Water Fund and Proposition 4 represent a genuine expansion of what’s possible for water infrastructure in Texas. Whether your project involves replacing aging lines, developing new supply, or something in between, the question isn’t whether funding exists — it’s whether your project will be ready when the money arrives.
If you have questions about structuring a water infrastructure project, navigating TWDB financing programs, or the contracting and regulatory issues that come with them, we’d welcome the conversation.