The Port Mansfield Channel Dredging Project Moves Forward — On Time, On Budget, and With the Environment in Mind
An Editorial by the Willacy County Navigation District
There is a moment in the life of every working port when the question is no longer whether something must be done — but whether the will, the expertise, and the resources exist to do it right. For the Port of Port Mansfield and the communities of Willacy County that depend on it, that moment has arrived. And the answer, delivered through years of careful planning, multi-agency coordination, and disciplined execution, is a resounding yes.
The active channel dredging project now underway at Port Mansfield is one of the most significant infrastructure investments this port has seen in years. It is not merely a maintenance task. It is a statement of intent: that the Willacy County Navigation District (WCND) is committed to preserving the Port's navigability, its economic vitality, and the long-term health of the coastal ecosystem that makes this community so special.
WHY THIS PROJECT MATTERS: THE BATTLE AGAINST SHOALING
The Port Mansfield Navigation Channel has been the sole gateway between the Gulf of Mexico and the Port of Mansfield since its construction in 1957. Over those decades, the narrow, man-made inlet has waged a constant battle against a formidable natural adversary: sediment. Shoaling — the gradual accumulation of sand and silt on the channel floor — is an inevitable consequence of coastal dynamics, and over time it has steadily reduced the channel's navigable depth, restricted vessel traffic, disrupted sediment movement, and accelerated erosion along the shoreline of Padre Island National Seashore.
A shallow channel is not just an inconvenience. For commercial operators, it limits the size and draft of vessels that can safely transit. For recreational boaters and fishing captains, it creates hazardous conditions and restricts access to the Gulf. For the broader Willacy County economy, a choked navigation channel means reduced trade, diminished tourism, and a port that cannot fulfill its potential as a regional economic anchor.
The authorized depth of the Port Mansfield Navigation Channel is 15 feet, with a channel width of 125 feet. Restoring and maintaining that depth is not optional — it is the baseline standard that makes the Port functional. The current dredging project is designed to return the channel, and ultimately the Harbor, to that intended navigable depth, opening the door for the vessels, commerce, and recreational activity that define this community.
YEARS IN THE MAKING: PLANNING, PERMITTING, AND PARTNERSHIP
Projects of this scale don't happen overnight. The road to active dredging at Port Mansfield represents years of meticulous planning, environmental study, and inter-agency collaboration — a process that is as important as the dredging itself, because it ensures the work is done right the first time and protects the remarkable coastal ecosystem that surrounds the Port.
At the center of that planning effort is Stantec, the engineering and environmental consulting firm that led regulatory coordination on behalf of the Texas General Land Office (GLO). Stantec’s team conducted comprehensive environmental surveys, performed detailed hydrodynamic modeling, commissioned archaeological assessments, and collected extensive topographic and bathymetric data to map the channel floor with precision. Their work laid the scientific and regulatory foundation upon which everything else rests.
The permitting process required coordination across multiple federal and state agencies, each with their own mandate and jurisdiction. The key partners in this process include:
• U.S. Army Corps of Engineers (USACE) — Galveston District: The federal authority responsible for authorizing navigation channel dredging and overseeing compliance with the Rivers and Harbors Act. USACE issued the critical Section 10/404 and Section 408 permits for this project.
• Texas General Land Office (GLO): The state agency overseeing coastal management and the steward of Texas’s public coastal lands. The GLO sponsored Stantec’s coordination work and supported the development of the Beneficial Use of Dredged Material (BUDM) program.
• National Park Service (NPS) — Padre Island National Seashore: Given that dredged material placement areas border NPS-managed lands, the Park Service was a critical partner in reviewing beach placement plans and ensuring the protection of the Seashore’s natural resources.
• Willacy County Navigation District (WCND): The local governing authority that owns and manages the Port of Port Mansfield, providing oversight, community coordination, and ensuring the project serves the long-term interests of Willacy County residents.
Permit applications under USACE Section 10/404 (for dredging in navigable waters and wetlands) and Section 408 (for alterations to federally authorized projects) were submitted in early 2024. After thorough federal review and agency consultation, those permits were formally issued in December 2025 — clearing the path for active dredging to begin.
The dredging contract itself was awarded to Callan Marine Ltd., a firm-fixed-price contract valued at $21.4 million, funded through U.S. Department of Defense fiscal year 2025 operation and maintenance funds. With a project completion deadline of July 31, 2026, Callan Marine brings deep experience in coastal and port dredging operations and is currently executing the project on schedule and without incident.
“This dredging project is the result of years of careful work by a talented team of professionals, federal partners, and state agencies who share our commitment to this Port and to Willacy County. The permitting process alone required an enormous amount of coordination, environmental study, and patience. We are proud to say that work has paid off, and every shovel of sediment we remove from that channel brings us closer to a Port that can truly serve its full potential for Willacy County.”
— Oscar Montoya Director, Willacy County Navigation District
DOING IT RIGHT: ENVIRONMENTAL STEWARDSHIP AT EVERY STEP
From the earliest planning stages, the WCND and its partners made a deliberate and principled decision: the restoration of this channel would not come at the expense of the ecosystem it serves. The Lower Laguna Madre — one of only a handful of hypersaline lagoons in the world — is one of Texas’s most ecologically significant coastal water bodies, supporting critical seagrass beds, migratory shorebirds, endangered sea turtles, and the fish populations that define Port Mansfield’s identity as a premier sportfishing destination.
Protecting that ecosystem was not an afterthought. It was engineered into every phase of the project. Stantec conducted extensive seagrass surveys throughout the project corridor, mapping sensitive beds to ensure that dredging operations and equipment routing would avoid direct impacts. Hydrodynamic modeling helped predict how water flow and sediment movement would respond to channel deepening, allowing engineers to fine-tune the project design to minimize downstream ecological effects.
One of the most meaningful environmental commitments embedded in this project is the treatment of dredged material not as waste, but as a resource. Rather than disposing of sediment offshore, the project's Beneficial Use of Dredged Material (BUDM) strategy redirects dredged sand and sediment to rebuild eroding beaches, dunes, and habitats that have suffered from 50 or more years of sediment starvation. Current placement is being made to the existing spoil bank and triangle island — established sites that provide stable, effective deposition while supporting habitat.
Perhaps most striking is the deliberate care taken to protect sea turtle nesting habitat. The Port Mansfield area lies within an active sea turtle corridor. The dredging team has implemented sensitive routing protocols, carefully planning equipment movements and discharge lines to avoid known nesting areas during this critical season. It is precisely this kind of thoughtful, species-specific planning that separates a well-managed infrastructure project from a reckless one.
Looking further ahead, the planning team is advancing the design for the creation of new rookery islands constructed from dredged material — artificial nesting habitat for colonial waterbirds that will provide lasting ecological value from what would otherwise simply be displaced sediment. It is a vision that transforms an infrastructure necessity into a legacy investment for the coastal environment.
“What sets this project apart is not just the work being done in the water — it’s the care being taken before, during, and after. Our team, our engineers, and our agency partners have gone to great lengths to make sure this dredging event respects the environment that makes Port Mansfield what it is. We live here. We fish here. We want this ecosystem protected just as much as anyone. The fact that we can restore navigable depth AND benefit the coastline with that sediment is a genuinely smart approach that we’re proud of.”
— Alberto Treviño Commissioner Precinct 4, Willacy County Navigation District
PROGRESS REPORT: FROM THE JETTIES TO THE HARBOR
As of this report, the dredging project is progressing on schedule and on plan. Callan Marine’s dredging operation began at the jetties at the Gulf entrance to the channel and has been working methodically westward, removing accumulated sediment and restoring the channel to its authorized 15-foot depth. The crew has reached the Intracoastal Waterway junction — the “Y” area where the navigation channel intersects with the Gulf Intracoastal Waterway — a significant milestone in the project’s progression.
The next phase will bring the dredging operation into the Harbor itself, completing the restoration of navigable depth through the turning basin and into the areas adjacent to the new bulkhead and the chamber building. It is in these interior harbor waters where the impact of this work will be most directly felt by the boaters, commercial operators, and recreational fishermen who rely on Port Mansfield every day.
There have been no safety incidents. The project is tracking to its July 2026 completion timeline. The WCND leadership team, led by Director Oscar Montoya, has been in regular communication with the dredging contractor to monitor progress, address any emerging conditions, and ensure the work remains aligned with both the engineering specifications and the environmental commitments made during the permitting process.
WHAT A NAVIGABLE PORT MEANS FOR WILLACY COUNTY
It is easy to see channel dredging as a technical undertaking — equipment, permits, sediment, depth measurements. But at its core, this project is about people. It is about the recreational boater who needs a safe, accessible channel to reach the Gulf. It is about the fishing guide who depends on reliable harbor access for their livelihood. It is about the commercial operators and potential trade partners who look at Port Mansfield and see a port that is investing in itself — and therefore worth investing in.
The Port of Port Mansfield is one of only two tidal connections to the Lower Laguna Madre. Its role in water quality, fish passage, and regional ecology means its health is inseparable from the health of the broader South Texas coastal environment. A well-maintained, navigable port is not just an economic asset — it is an ecological linchpin.
For the residents of Willacy County, this project represents a tangible return on their tax investment and a demonstration that the Navigation District is actively working to protect and enhance the infrastructure that supports their quality of life. The WCND has pursued and secured substantial federal and state funding to make this project possible — funding that reduces the local financial burden while delivering world-class infrastructure work to one of Texas’s most unique coastal communities.
“The investment being made at Port Mansfield isn’t just about a deeper channel — it’s about the future of Willacy County. A functioning, accessible port creates jobs, attracts tourism, supports our commercial fishermen, and puts our County on the map as a destination for trade and recreation. The Navigation District has done the hard work of securing the partnerships and funding to make this happen, and the residents of Willacy County deserve to know that the County continues to support the WCNDs ongoing efforts.”
— Hon. Aurelio “Keter” Guerra Willacy County Judge
A SAFETY NOTICE FOR ALL BOATERS AND CAPTAINS
As dredging operations move into the Harbor, it is essential that every boater, captain, and waterway user in and around Port Mansfield understands the conditions currently in place and adjusts accordingly.
Active dredging equipment, including hydraulic dredges, floating pipelines, discharge lines, mooring buoys, and associated vessels, are currently deployed in the Port Mansfield Navigation Channel and will be entering the Harbor. These obstacles create real and serious hazards for vessel traffic.
All boaters and captains are strongly urged to:
• Slow down and proceed with extreme caution when approaching or transiting the active work area.
• Steer clear of all floating equipment, pipes, and discharge lines — these extend laterally from the dredge and may not always be immediately visible.
• Exercise extreme caution during nighttime operations — lighting on dredging equipment may not provide adequate visibility for fast-moving vessels.
• Watch for and obey all posted signage at the Port Mansfield boat ramps providing notice of dredging operations and safety requirements.
• Maintain a safe distance from all dredging vessels and equipment at all times.
• If in doubt, wait for the work area to clear before proceeding. No catch is worth a collision.
The WCND takes the safety of the boating public as seriously as the success of the dredging project itself. Signage is being installed at both boat ramps, and the District is also exploring geofenced digital notifications to alert boaters approaching the work zone. We appreciate the patience and cooperation of the entire Port Mansfield boating community as this important work is completed.
LOOKING AHEAD
The completion of this dredging project will return the Port of Port Mansfield Navigation Channel and Harbor to its intended, authorized depth — 15 feet of clear, navigable water from the Gulf of Mexico to the turning basin. That depth matters. It matters to every vessel operator who relies on safe passage. It matters to every business that depends on an accessible port. And it matters to every Willacy County resident who takes pride in a community that takes care of what it has.
The Willacy County Navigation District extends its sincere gratitude to Callan Marine Ltd. for their professional execution of this contract; to Stantec for their years of environmental and regulatory expertise; to the U.S. Army Corps of Engineers Galveston District, the Texas General Land Office, and the National Park Service for their collaborative partnership; and to the residents of Willacy County for their continued support of the Port and its future.
This is your Port. This is your investment. And it is progressing exactly as it should.
