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A River ‘Died' Overnight in Zambia After an Acidic Waste Spill at a Chinese-Owned Mine

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Saturday, March 15, 2025

KITWE, Zambia (AP) — Authorities and environmentalists in Zambia fear the long-term impact of an acid spill at a Chinese-owned mine that contaminated a major river and could potentially affect millions of people after signs of pollution were detected at least 100 kilometers (60 miles) downstream.The spill happened on Feb. 18 when a tailings dam that holds acidic waste from a copper mine in the north of the country collapsed, according to investigators from the Engineering Institution of Zambia. The collapse allowed some 50 million liters of waste containing concentrated acid, dissolved solids and heavy metals to flow into a stream that links to the Kafue River, Zambia’s most important waterway, the engineering institution said.“It is an environmental disaster really of catastrophic consequences,” said Chilekwa Mumba, an environmental activist who works in Zambia's Copperbelt Province.China is the dominant player in copper mining in Zambia, a southern African nation which is among the world’s top 10 producers of copper, a key component in smartphones and other technology.Zambian President Hakainde Hichilema called for help from experts and said the leak is a crisis that threatens people and wildlife along the Kafue, which runs for more than 1,500 kilometers (930 miles) through the heart of Zambia. Authorities are still investigating the extent of the environmental damage.An Associated Press reporter visited parts of the Kafue River, where dead fish could be seen washing up on the banks about 100 kilometers (60 miles) downstream from the mine run by Sino-Metals Leach Zambia, which is majority owned by the state-run China Nonferrous Metals Industry Group.The Ministry of Water Development and Sanitation said the "devastating consequences" also included the destruction of crops along the river's banks. Authorities are concerned that ground water will be contaminated as the mining waste seeps into the earth or is carried to other areas.“Prior to the 18th of February this was a vibrant and alive river,” said Sean Cornelius, who lives near the Kafue and said fish died and birdlife near him disappeared almost immediately. “Now everything is dead, it's like a totally dead river. Unbelievable. Overnight, this river died.”About 60% of Zambia's 20 million people live in the Kafue River basin and depend on it in some way as a source of fishing, irrigation for agriculture and water for industry. The river supplies drinking water to about five million people, including in the capital, Lusaka.The acid leak at the mine caused a complete shutdown of the water supply to the nearby city of Kitwe, home to an estimated 700,000 people. Attempts to roll back the damage The Zambian government has deployed the air force to drop hundreds of tons of lime into the river in an attempt to counteract the acid and roll back the damage. Speed boats have also been used to ride up and down the river, applying lime. Government spokesperson Cornelius Mweetwa said the situation was very serious and Sino-Metals Leach Zambia would bear the costs of the cleanup operation.Zhang Peiwen, the chairman of Sino-Metals Leach Zambia, met with government ministers this week and apologized for the acid spill, according to a transcript of his speech at the meeting released by his company. “This disaster has rung a big alarm for Sino-Metals Leach and the mining industry,” he said. He said it “will go all out to restore the affected environment as quickly as possible." Discontent with Chinese presence The environmental impact of China's large mining interests in mineral-rich parts of Africa, which include Zambia's neighbors Congo and Zimbabwe, has often been criticized, even as the minerals are crucial to the countries' economies. Chinese-owned copper mines have been accused of ignoring safety, labor and other regulations in Zambia as they strive to control its supply of the critical mineral, leading to some discontent with their presence. Zambia is also burdened with more than $4 billion in debt to China and had to restructure some of its loans from China and other nations after defaulting on repayments in 2020.A smaller acid waste leak from another Chinese-owned mine in Zambia's copper belt was discovered days after the Sino-Metals accident, and authorities have accused the smaller mine of attempting to hide it.Local police said a mine worker died at that second mine after falling into acid and alleged that the mine continued to operate after being instructed to stop its operations by authorities. Two Chinese mine managers have been arrested, police said.Both mines have now halted their operations after orders from Zambian authorities, while many Zambians are angry.“It really just brings out the negligence that some investors actually have when it comes to environmental protection,” said Mweene Himwinga, an environmental engineer who attended the meeting involving Zhang, government ministers, and others. “They don’t seem to have any concern at all, any regard at all. And I think it’s really worrying because at the end of the day, we as Zambian people, (it's) the only land we have.”Zimba reported from Lusaka, Zambia.Copyright 2025 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.Photos You Should See - Feb. 2025

Authorities and environmentalists in Zambia fear the long-term impact of an acid spill at a Chinese-owned mine that poisoned a major river and could potentially affect millions of people after signs of pollution were detected at least 100 kilometers downstream

KITWE, Zambia (AP) — Authorities and environmentalists in Zambia fear the long-term impact of an acid spill at a Chinese-owned mine that contaminated a major river and could potentially affect millions of people after signs of pollution were detected at least 100 kilometers (60 miles) downstream.

The spill happened on Feb. 18 when a tailings dam that holds acidic waste from a copper mine in the north of the country collapsed, according to investigators from the Engineering Institution of Zambia.

The collapse allowed some 50 million liters of waste containing concentrated acid, dissolved solids and heavy metals to flow into a stream that links to the Kafue River, Zambia’s most important waterway, the engineering institution said.

“It is an environmental disaster really of catastrophic consequences,” said Chilekwa Mumba, an environmental activist who works in Zambia's Copperbelt Province.

China is the dominant player in copper mining in Zambia, a southern African nation which is among the world’s top 10 producers of copper, a key component in smartphones and other technology.

Zambian President Hakainde Hichilema called for help from experts and said the leak is a crisis that threatens people and wildlife along the Kafue, which runs for more than 1,500 kilometers (930 miles) through the heart of Zambia.

Authorities are still investigating the extent of the environmental damage.

An Associated Press reporter visited parts of the Kafue River, where dead fish could be seen washing up on the banks about 100 kilometers (60 miles) downstream from the mine run by Sino-Metals Leach Zambia, which is majority owned by the state-run China Nonferrous Metals Industry Group.

The Ministry of Water Development and Sanitation said the "devastating consequences" also included the destruction of crops along the river's banks. Authorities are concerned that ground water will be contaminated as the mining waste seeps into the earth or is carried to other areas.

“Prior to the 18th of February this was a vibrant and alive river,” said Sean Cornelius, who lives near the Kafue and said fish died and birdlife near him disappeared almost immediately. “Now everything is dead, it's like a totally dead river. Unbelievable. Overnight, this river died.”

About 60% of Zambia's 20 million people live in the Kafue River basin and depend on it in some way as a source of fishing, irrigation for agriculture and water for industry. The river supplies drinking water to about five million people, including in the capital, Lusaka.

The acid leak at the mine caused a complete shutdown of the water supply to the nearby city of Kitwe, home to an estimated 700,000 people.

Attempts to roll back the damage

The Zambian government has deployed the air force to drop hundreds of tons of lime into the river in an attempt to counteract the acid and roll back the damage. Speed boats have also been used to ride up and down the river, applying lime.

Government spokesperson Cornelius Mweetwa said the situation was very serious and Sino-Metals Leach Zambia would bear the costs of the cleanup operation.

Zhang Peiwen, the chairman of Sino-Metals Leach Zambia, met with government ministers this week and apologized for the acid spill, according to a transcript of his speech at the meeting released by his company.

“This disaster has rung a big alarm for Sino-Metals Leach and the mining industry,” he said. He said it “will go all out to restore the affected environment as quickly as possible."

Discontent with Chinese presence

The environmental impact of China's large mining interests in mineral-rich parts of Africa, which include Zambia's neighbors Congo and Zimbabwe, has often been criticized, even as the minerals are crucial to the countries' economies.

Chinese-owned copper mines have been accused of ignoring safety, labor and other regulations in Zambia as they strive to control its supply of the critical mineral, leading to some discontent with their presence. Zambia is also burdened with more than $4 billion in debt to China and had to restructure some of its loans from China and other nations after defaulting on repayments in 2020.

A smaller acid waste leak from another Chinese-owned mine in Zambia's copper belt was discovered days after the Sino-Metals accident, and authorities have accused the smaller mine of attempting to hide it.

Local police said a mine worker died at that second mine after falling into acid and alleged that the mine continued to operate after being instructed to stop its operations by authorities. Two Chinese mine managers have been arrested, police said.

Both mines have now halted their operations after orders from Zambian authorities, while many Zambians are angry.

“It really just brings out the negligence that some investors actually have when it comes to environmental protection,” said Mweene Himwinga, an environmental engineer who attended the meeting involving Zhang, government ministers, and others. “They don’t seem to have any concern at all, any regard at all. And I think it’s really worrying because at the end of the day, we as Zambian people, (it's) the only land we have.”

Zimba reported from Lusaka, Zambia.

Copyright 2025 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

Photos You Should See - Feb. 2025

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Lawsuit says PGE, Tillamook Creamery add to nitrate pollution in eastern Oregon

The lawsuit, filed on behalf of residents in Morrow and Umatilla counties, says nitrate pollution from a PGE power generation plant and from a Tillamook cheese production facility has seeped into groundwater, affecting thousands of residents in the area.

A new lawsuit claims Portland General Electric and the Tillamook County Creamery Association contribute significantly to the nitrate pollution that has plagued eastern Oregon for over three decades. The lawsuit, filed on behalf of residents in Morrow and Umatilla counties, says nitrate pollution has seeped into groundwater, affecting thousands of residents in the area known as the Lower Umatilla Basin Groundwater Management Area who can’t use tap water from private wells at their homes.PGE operates a power generation plant at the Port of Morrow in Boardman and the Tillamook County Creamery Association, a farmer-owned cooperative known for the Tillamook Creamery at the coast, operates a cheese production plant in Boardman. The two plants send their wastewater to the port, which then sprays it through irrigation systems directly onto land in Morrow and Umatilla counties, according to the complaint filed Friday in the U.S. District Court in Oregon.PGE and Tillamook transfer their wastewater to the port despite knowing that the port doesn’t remove the nitrates before applying the water onto fields, the suit contends.PGE’s spokesperson Drew Hanson said the company would not provide comment on pending legal matters. Tillamook Creamery did not respond to a request for comment.The new complaint follows a 2024 lawsuit by several Boardman residents that accused the Port of Morrow, along with several farms and food processors of contaminating the basin’s groundwater. The others named are: Lamb Weston, Madison Ranches, Threemile Canyon Farms and Beef Northwest.A state analysis released earlier this year shows nitrate pollution has worsened significantly in eastern Oregon over the past decade. Much of the nitrate contamination in the region comes from farm fertilizer, animal manure and wastewater that are constantly and abundantly applied to farm fields by the owners of food processing facilities, confined animal feeding operations, irrigated farmland and animal feedlots, according to the analysis by the state and local nonprofits. Those polluters are also the main employers in eastern Oregon. Steve Berman, the attorney in the newest case, said PGE and the farmer cooperative were not included in the previous lawsuit because their impact wasn’t previously clear. “We keep drilling down into new records we are obtaining from the regulatory authorities and activists and analyzing how groundwater moves in the area. Our experts now tell us these two entities are contributing as well,” Berman said. According to the complaint, PGE’s power generation plant at the Port of Morrow, called Coyote Springs, generates an estimated 900 million gallons of nitrate-laced wastewater each year from a combination of cooling tower wastewater, wash water and the water discharged from boilers to remove built-up impurities.From 2019 to 2022, PGE’s wastewater had an average nitrate concentration of 38.9 milligrams per liter – almost four times higher than the Environmental Protection Agency’s maximum contaminant level, the complaint claims. PGE’s plant is not producing nitrates, Berman said, but rather is using groundwater with pre-existing nitrates and then concentrating the chemicals through its industrial processes. PGE’s plant is not producing nitrates, Berman said, but rather is using groundwater with pre-existing nitrates and then concentrating the chemicals through its industrial processes. and then spread pre-existing nitrates from groundwater and don’t add their own but concentrate the nitrates through their industrial processes, such as xxx.Columbia River Processing, the Tillamook Creamery Association’s cheese production plant, generates an estimated 360 gallons of wastewater each year from a combination of cheese byproducts and tank wash water, according to the complaint. From 2019 to 2022, Tillamook’s wastewater had an average nitrate concentration of 24 milligrams per liter – more than twice the EPA’s maximum contaminant level, the complaint claims. In addition, the association also sources its milk from Threemile Canyon Farms, a “megadairy” in Boardman that houses 70,000 cows and was named in the previous nitrate lawsuit. The dairy constantly applies high-nitrogen waste from its operation to its farmland, the earlier suit says. The lawsuit seeks to force remediation or halt the practices. It also demands that the companies cover the costs of drilling deeper wells for private well users who currently face nitrate contamination – an estimated $40,000 cost per well – as well as the costs of connecting households to municipal water systems and compensation for higher water bills paid by residents due to nitrate treatment in public systems. People who can’t use their contaminated tap water now must rely on bottled water for cooking, bathing and other needs. While there are plans to extend municipal water service to some of those homes, many residents oppose the idea because they’ve invested heavily in their wells and fear paying steep water rates.Critics say state agencies have not done enough to crack down on the pollution, with much of the focus on voluntary measures that have failed to rein in the nitrate contamination.Research has linked high nitrate consumption over long periods to cancers, miscarriages, as well as thyroid issues. It is especially dangerous to infants who can quickly develop “blue baby syndrome,” a fatal illness.

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