Port Houston completes ship channel dredging amid environmental scrutiny

Port completes key phase of $1 billion channel improvement initiative, as community raises concerns over dredging spoils

A container ship transits the Houston Ship Channel, as Port Houston recently completed its portion of Project 11, expanding the waterway to 700 feet. (Photo: Jim Allen/FreightWaves)
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Key Takeaways:

  • Port Houston completed its share of the $1 billion Houston Ship Channel Expansion (Project 11), widening the channel to 700 feet to enhance safety, reduce vessel emissions, and improve regional competitiveness and efficiency.
  • Despite the project's completion, environmental groups and residents raised significant concerns over the proposed on-land disposal of dredged materials, citing the presence of hazardous chemicals and potential health risks to nearby communities.
  • Port Houston reported positive economic indicators with increased September tonnage and throughput, and commissioners approved several major capital projects for terminal expansion and infrastructure development.
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Port Houston announced the completion of its share of the $1 billion Houston Ship Channel Expansion (Project 11) during Monday’s commission meeting, marking a major milestone toward widening one of the nation’s busiest waterways; even as residents and environmental groups pressed for stronger safeguards over dredging practices.

Port officials said the widened channel through Galveston Bay — expanded from 530 feet to 700 feet — will improve safety, reduce vessel emissions, and strengthen Houston’s competitiveness.

“This is really big for our port and our channel and our region,” Charlie Jenkins, CEO of Port Houston, said during the meeting. “It has already had measurable efficiency gains and safety gains for all users of the Houston Ship Channel.”

Jenkins said daylight-restricted vessels now have an additional two-and-a-half hours each day to sail.

“That’s a huge improvement in emissions because ships aren’t sitting out there waiting — and it helps balance the workload of the channel, making it safer for everyone,” Jenkins said.

Jenkins also reported that September tonnage rose 6% year-over-year, with total throughput up 5% year-to-date, even as some commodity imports softened. 

Port Houston handled 337,659 twenty-foot equivalent units in September, a 2% year-over-year increase compared to the same month in 2024.

“Compared to most ports, we’re faring very well given the economic uncertainties,” he said.

Public concerns over dredge spoil placement

The meeting’s public comment period was dominated by concerns about dredge spoil disposal sites linked to Project 11. 

Representatives from the Environmental Defense Fund, Public Citizen, and local neighborhood coalitions urged the port to support a U.S. Army Corps of Engineers (USACE) proposal to barge dredged material to offshore bay sites instead of reusing legacy placement areas near Pleasantville and Clinton Park.

Paige Varner, a toxicologist scientist for the Environmental Defense Fund, said the dredge spoils could pose contamination risks.

“Testing from USACE and communities show that the material from both Project 11 dredging and ongoing maintenance dredging contains potentially hazardous concentrations of chemicals, including dioxins, furans, PCBs, arsenic, and PAHs,” Varner said. “These chemicals are linked to multiple cancers, developmental and reproductive harm, liver damage, and immune system suppression.”

Varner said “samples exceeded EPA risk levels by up to 25 times” and nearby “neighborhoods already face some of the highest cancer and non-cancer health risks in the country from air pollution.” 

Varner urged the port to halt any new on-land placement of dredge spoils until comprehensive, transparent risk assessments are completed.

“It is imperative that the port take immediate steps to protect affected communities,” she said.

Retired Army Corps engineer Bill Empson echoed those concerns, saying the proposed onshore sites should undergo full dam-safety reviews, while Adrian Shelley, director of Public Citizen’s Texas office, asked the commission to “make a decision in favor of public health and safety.”

Major capital approvals

Commissioners also advanced a slate of infrastructure and maintenance contracts, including:

  • $20 million for construction of Container Yard 7 North at Barbours Cut Terminal.
  • $4.65 million for design of Wharf 8 at Bayport Terminal.
  • $1.7 million for two truckable push boats and a maintenance barge.
  • Renewals and new pipeline and barge-fleeting leases with Kirby Inland Marine and others

Noi Mahoney

Noi Mahoney is a Texas-based journalist who covers cross-border trade, logistics and supply chains for FreightWaves. He graduated from the University of Texas at Austin with a degree in English in 1998. Mahoney has more than 20 years experience as a journalist, working for newspapers in Maryland and Texas. Contact nmahoney@freightwaves.com