Understanding the New Proposed Definition of Waters of the United States (WOTUS): What It Means for Texas Projects
This week, the U.S. Army Corps of Engineers (USACE) announced that it will soon publish a proposed rule redefining “Waters of the United States” (WOTUS)—a cornerstone regulatory term that determines when federal jurisdiction applies under the Clean Water Act.
The announcement marks another significant step in an evolving national conversation around wetlands, streams, and jurisdiction following years of shifting interpretations, litigation, and agency policy changes.
A final rule is expected sometime in 2026, but the impacts of this proposal will begin much earlier as agencies, consultants, developers, and infrastructure teams prepare for what’s ahead.
What’s Changing?
While the full proposed rule is not yet formally published in the Federal Register, USACE and EPA have released pre-publication draft materials outlining key components of the definition and regulatory framework.
ESE Partners is currently reviewing these draft documents to understand potential changes to:
- Field data collection methods
- Desktop review procedures
- Wetland and stream delineation criteria
- Hydrologic connectivity standards
- Jurisdictional Determination (JD) pathways
- Impacts to NEPA, permitting, and schedule-critical infrastructure projects
As with previous WOTUS revisions, the definition will directly shape what qualifies as a federally regulated water, which subsequently influences project timelines, permitting needs, and mitigation strategies.
Why This Matters for Texas
Texas is home to a wide diversity of aquatic resources—from ephemeral and intermittent streams in West Texas to complex coastal wetland systems along the Gulf Coast. Any update to the WOTUS definition will have direct implications for:
- Broadband & linear infrastructure projects
- Industrial development
- Renewable energy and transmission
- Public works and municipal improvements
- Real estate redevelopment
- Oil & gas and midstream expansion
- Transportation and freight corridor projects
For many of these efforts, jurisdiction determines whether a federal permit is required, which can significantly affect both timelines and budgets.
How ESE Partners Is Preparing
Even before the proposed rule is formalized, ESE Partners has begun a comprehensive, proactive review of the draft materials. Our Natural Resources team is evaluating:
- How data collection protocols may need to adapt
- Whether delineation forms and field metrics will shift
- How regional characteristics in Texas may be interpreted under the new rule
- Which project types may be most affected
- Best-fit strategies for early planning and risk minimization
This early analysis ensures that when the final rule is released in 2026, our clients can move quickly with clarity, regulatory alignment, and minimized disruption to project momentum.
What Comes Next
The proposed rule will undergo:
- Formal publication in the Federal Register
- A public comment period
- Potential revisions based on feedback
- Release of the final rule (currently anticipated in 2026)
Throughout this process, ESE Partners will continue to monitor updates, interpret changes, and communicate the implications for projects across Texas.
Where to Review the Draft Materials
For those wanting to read the proposed rule and supporting documents directly, the EPA has posted the pre-publication package here:
https://www.epa.gov/wotus/updated-definition-waters-united-states
Staying Ahead of Regulatory Change
As Texas’ Most Trusted Environmental Experts, ESE Partners remains committed to helping clients anticipate regulatory shifts—not react to them.
Our team will continue sharing updates, guidance, and practical insights as the WOTUS rulemaking process progresses. If you have upcoming projects that may intersect with federal waters, wetlands, or permitting requirements, we’re ready to support you.
