A coalition of local organizations released testing results Tuesday that found elevated levels of hazardous chemicals, including arsenic, cadmium and dioxins, in sediment from the bottom of the Houston Ship Channel that is dredged and dumped in communities near the port.
The Healthy Port Communities Coalition, which includes environmental nonprofits Air Alliance Houston and Bayou City Waterkeeper, analyzed data provided by the Army Corps of Engineers and conducted its own testing over the past year, finding that 11 pollutants exceeded the U.S. Environmental Protection Agency’s carcinogenic screening levels.
In the statement, the Port of Houston said “sediment testing is conducted by the U.S. Army Corps of Engineers (USACE) prior to material being placed in the sediment placement sites and we have seen no evidence of contamination or discharges at any of the dredged material placement areas that would pose a hazard to human health.”
What do the results say?
The Healthy Port Coalitions Community published test results in three categories: Project 11, community samples and operations and maintenance dredging.
The six dredged piles of sediment throughout the port communities generally are the result of typical maintenance and operations of the ship channel. Of the 22 spots tested, the Coalition found all had arsenic levels exceeding the EPA’s limit. One sample, the group said, arsenic levels were 45 times higher than the limit.
The Coalition also analyzed data contained in an appendix that was not made public from the Project 11 Environmental Impact Statement that found arsenic at seven times the EPA limit and dioxins at 16 times the EPA limit. Dioxins are highly toxic and can cause cancer, reproductive and developmental problems and damage the immune system, according to the EPA.
The coalition tested for arsenic, dioxins and polychlorinated biphenyls, or PCBs – which are human-made chemicals that can impact the thyroid and reproductive system. PCBs, which have been banned from use in the United States since 1979, were found at 2.5 times the EPA limit.
In a statement, the Army Corps of Engineers said the work is in full compliance with applicable laws.
“The USACE considered all relevant laws, executive orders, regulations, and local government plans, aligning with the U.S. Water Resources Council’s Principles and Guidelines,” the statement read.
At a news conference Tuesday across the street from a dredged site in Galena Park, advocates for healthy ship channel communities – including Amnesty International, Air Alliance Houston and Environmental Community Advocates of Galena Park – held up signs reading “Our community has suffered long enough” and “Houston believes in science.”
Naomi Yoder, a GIS data manager from the Bullard Center for Environmental and Climate Justice at Texas Southern University, told the crowd that placing the dredged material in communities is a way of sacrificing the communities for profit.
“We see no reason that the industries that sit along the ship channel, who the dredging is for, and the agencies that conduct the projects, couldn’t afford to pay for safe disposal of the sediments in areas that don’t affect low-income communities and neighborhoods of people of color,” Yoder said.
Last year, the Army Corps, the Port, the EPA and the Coalition met several times to find a dredging solution that everyone could agree upon for the community. Yoder said the participants met again a couple months ago, but the effort has not moved forward the way the coalition had hoped.
In Pleasantville, residents expressed concerns about a dredged site that was closed in the 1950s after a hole formed in the protective berm and spilled sludge throughout the community. The Army Corps is planning to reopen the site to dump sediments dredged for Project 11.
“The port wants to expand for those larger ships to be able to come in for economic reasons and we understand that,” said Bridgette Murray, the executive director for Achieving Community Task Successfully in Pleasantville. “All we’re asking for is reassurances. How safe will our communities be?”
Lisa Ashley, director of media relations for the Port of Houston, said the agency’s Port Commission Community Advisory Council is very sensitive to all issues like this in the community and the Port has attended numerous meetings with the community groups to listen to their concerns.
In its statement, the Corps said the agency’s “decision-making integrates environmental considerations throughout the EIS process, and extensive efforts over the years include considering the perspectives of all interested parties, particularly historically marginalized communities.”
For the community groups, however, the testing is just the beginning.
“We’d like to have the Army Corps take some responsibility and dig a little deeper because this is just the tip of the iceberg,” said Juan Flores, a longtime community activist in Galena Park and community air monitoring program manager for Air Alliance Houston.
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