Project
Protecting the health of La Oroya's residents from toxic pollution
For more than 20 years, residents of La Oroya have been seeking justice and reparations after a metallurgical complex caused heavy metal pollution in their community—in violation of their fundamental rights—and the government failed to take adequate measures to protect them.
On March 22, 2024, the Inter-American Court of Human Rights issued its judgment in the case. It found Peru responsible and ordered it to adopt comprehensive reparation measures. This decision is a historic opportunity to restore the rights of the victims, as well as an important precedent for the protection of the right to a healthy environment in Latin America and for adequate state oversight of corporate activities.
Background
La Oroya is a small city in Peru’s central mountain range, in the department of Junín, about 176 km from Lima. It has a population of around 30,000 inhabitants.
There, in 1922, the U.S. company Cerro de Pasco Cooper Corporation installed the La Oroya Metallurgical Complex to process ore concentrates with high levels of lead, copper, zinc, silver and gold, as well as other contaminants such as sulfur, cadmium and arsenic.
The complex was nationalized in 1974 and operated by the State until 1997, when it was acquired by the US Doe Run Company through its subsidiary Doe Run Peru. In 2009, due to the company's financial crisis, the complex's operations were suspended.
Decades of damage to public health
The Peruvian State - due to the lack of adequate control systems, constant supervision, imposition of sanctions and adoption of immediate actions - has allowed the metallurgical complex to generate very high levels of contamination for decades that have seriously affected the health of residents of La Oroya for generations.
Those living in La Oroya have a higher risk or propensity to develop cancer due to historical exposure to heavy metals. While the health effects of toxic contamination are not immediately noticeable, they may be irreversible or become evident over the long term, affecting the population at various levels. Moreover, the impacts have been differentiated —and even more severe— among children, women and the elderly.
Most of the affected people presented lead levels higher than those recommended by the World Health Organization and, in some cases, higher levels of arsenic and cadmium; in addition to stress, anxiety, skin disorders, gastric problems, chronic headaches and respiratory or cardiac problems, among others.
The search for justice
Over time, several actions were brought at the national and international levels to obtain oversight of the metallurgical complex and its impacts, as well as to obtain redress for the violation of the rights of affected people.
AIDA became involved with La Oroya in 1997 and, since then, we’ve employed various strategies to protect public health, the environment and the rights of its inhabitants.
In 2002, our publication La Oroya Cannot Wait helped to make La Oroya's situation visible internationally and demand remedial measures.
That same year, a group of residents of La Oroya filed an enforcement action against the Ministry of Health and the General Directorate of Environmental Health to protect their rights and those of the rest of the population.
In 2006, they obtained a partially favorable decision from the Constitutional Court that ordered protective measures. However, after more than 14 years, no measures were taken to implement the ruling and the highest court did not take action to enforce it.
Given the lack of effective responses at the national level, AIDA —together with an international coalition of organizations— took the case to the Inter-American Commission on Human Rights (IACHR) and in November 2005 requested measures to protect the right to life, personal integrity and health of the people affected. In 2006, we filed a complaint with the IACHR against the Peruvian State for the violation of the human rights of La Oroya residents.
In 2007, in response to the petition, the IACHR granted protection measures to 65 people from La Oroya and in 2016 extended them to another 15.
Current Situation
To date, the protection measures granted by the IACHR are still in effect. Although the State has issued some decisions to somewhat control the company and the levels of contamination in the area, these have not been effective in protecting the rights of the population or in urgently implementing the necessary actions in La Oroya.
Although the levels of lead and other heavy metals in the blood have decreased since the suspension of operations at the complex, this does not imply that the effects of the contamination have disappeared because the metals remain in other parts of the body and their impacts can appear over the years. The State has not carried out a comprehensive diagnosis and follow-up of the people who were highly exposed to heavy metals at La Oroya. There is also a lack of an epidemiological and blood study on children to show the current state of contamination of the population and its comparison with the studies carried out between 1999 and 2005.
The case before the Inter-American Court
As for the international complaint, in October 2021 —15 years after the process began— the IACHR adopted a decision on the merits of the case and submitted it to the Inter-American Court of Human Rights, after establishing the international responsibility of the Peruvian State in the violation of human rights of residents of La Oroya.
The Court heard the case at a public hearing in October 2022. More than a year later, on March 22, 2024, the international court issued its judgment. In its ruling, the first of its kind, it held Peru responsible for violating the rights of the residents of La Oroya and ordered the government to adopt comprehensive reparation measures, including environmental remediation, reduction and mitigation of polluting emissions, air quality monitoring, free and specialized medical care, compensation, and a resettlement plan for the affected people.
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Victims of toxic contamination in La Oroya take their voice before the Inter-American Court
There’s no deadline that won’t be met. And so, after a 20-year quest for justice, the habitants of the small Andean city of La Oroya, Peru appeared before the Inter-American Court of Human Rights. On October 12 and 13, the judges of the high international court heard their complaint against the government of Peru for the serious violation of human rights derived from a metal smelter that has contaminated La Oroya for almost 90 years. The city has been documented as one of the most polluted places on the planet. "The contamination from the La Oroya Metallurgical Complex has permeated every component of its inhabitants' environment: the water they drink, the soil they walk on, the air they breathe, the schoolyards and the mountains that frame their living environment," said AIDA's attorney Liliana Avila, as she presenting closing arguments in the case. Brave Testimonies At the hearing in Montevideo, Uruguay, three affected former residents of La Oroya gave their testimony. They are just a few of the more than 80 courageous people who filed the lawsuit—those residents willing to defend their right to live in a healthy environment despite the context of harassment they have faced because of it. "The period in which the metal smelter developed was disastrous. The toxic gases emanating from the complex created a thick mist that turned into a dandruff that coated the faces of the children,” recalled Rosa Amaro, a 74-year-old mother who chaired the Movement for Health in La Oroya, where she lived until 2017. “We tried to survive, but the government was like a father who turned his back to us.” Dressed in warm clothes and a woolen hat, Rosa's face, body and voice bore the indelible marks of the passing years, deteriorating health and the fear that forced her to leave her hometown. "They call us enemies of La Oroya." In tears, Rosa expressed to the court her desire to return home and to see her name cleared of all stigmas. "Our struggle is not for one, it is for an entire population". The case represents many more residents of La Oroya who, for fear of reprisals, are not named in the lawsuit. After testifying, Rosa felt relieved of a heavy burden and with enough strength to continue. The population of La Oroya has breathed multiple toxic substances that, according to scientific evidence, cause serious risks to human health. The contamination with lead and other heavy metals has burst into their respiratory system, traveled through their bloodstream and has been deposited imperceptibly in their vital organs. "I didn’t have a childhood because I spent it locked up in four walls, not because they wouldn’t let me go out, but because of the discomfort, because our throats were itchy,” Maricruz Aliaga, 28, told the court. “When we went to school, my mother protected us [from the ashes] with a hat." The contamination has affected her memory and is the reason why, even today, her body is paralyzed several times a year. “In Huancayo, I could breathe.” As a child, Maricruz’s vacations to the neighboring city made her realize that it was not normal to watch the plants she took to school die after just 15 days. Following a lifetime of hostility due to her family’s activism, she now lives in another city, and the effects on their health were her main motivation to study nursing. The toxic elements from the smelter remain in the bodies of those who lived and grew in La Oroya. Their presence has caused health problems, many of them irreversible, and may generate new illnesses in the future. "The only thing we want, since we are no longer going to enjoy good health—that is already done, my health is already destroyed—is for future generations to enjoy good health," Yolanda Zurita added in her testimony before the court. "That will be our reward, our satisfaction; that is what we are looking for." The road to justice Reaching this point has not been easy. On behalf of the victims, and with the support of the Asociación Pro Derechos Humanos (APRODEH), in 2006 AIDA filed the international complaint against the Peruvian government. Finally, in October 2021—15 years after the process began—the Inter-American Commission on Human Rights (IACHR) established the government's responsibility for right violations and referred the case to the Inter-American Court. Preparation for the hearing began at that time and intensified in the weeks leading up to it. The long hours of work were reflected in the solidity with which we demonstrated that the government is responsible for violating the rights to life, health, personal integrity, children and a healthy environment of the inhabitants of La Oroya. At the hearing we presented four main arguments: The existence of serious environmental contamination, The risk and causal link with the damages derived from that contamination, The government’s knowledge of that situation, and The absence of urgent and effective measures to respond to it. In addition, we called in experts whose testimony amply supported our allegations. Two of them presented their findings at the hearing. "The duty of care does not arise with clinical harm, but with the risk of harm," emphasized Marcos Orellana, UN Special Rapporteur on the human rights implications of exposure to hazardous substances and toxic waste. In addition, Marisol Yañez, a psychosocial expert, demonstrated based on 61 in-depth interviews, four focus groups and psychometric tests the existence of "environmental suffering," aggravated by impunity and stigmatization. After the hearing, there remains the written presentation of the arguments and a potential visit to La Oroya by the judges of the Court. The sentence, which cannot be appealed, is expected within the next six months. The importance of the case goes beyond the Peruvian context and represents a historic opportunity to establish a key precedent for all of Latin America. "This is the first case before this court with the potential to develop in-depth violations of the right to a healthy environment as the result of government action regarding public and private companies,” explained Jorge Meza Flores, deputy executive secretary of the IACHR's Petitions and Cases System. Taking into account what is at stake is undoubtedly fundamental when the national debate around La Oroya has prioritized, even in these days, the possible reactivation of the metal smelter over the protection of the fundamental rights and health of an entire population.
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With La Oroya case, the Inter-American Court may set a key precedent for protecting a healthy environment in Latin America
On October 12 and 13, the international court will hear the case of people affected by toxic pollution in La Oroya, Peru. Beyond reestablishing the rights of the victims, the court’s eventual decision marks an historic opportunity to strengthen the protection of the right to a healthy environment in the region and to encourage States to adequately supervise corporate activities. Montevideo, Uruguay. On October 12 and 13, the Inter-American Court of Human Rights will hear the case of residents from La Oroya, Peru, whose fundamental rights have been violated for decades due to heavy metal contamination from a metal smelting complex. The hearing will take place during the 153rd Session of the Court, to be held October 10-21 in Montevideo, Uruguay. Last October, 15 years after the international lawsuit against the Peruvian State was filed, the Inter-American Commission on Human Rights—in it’s decision on the merits of the case—established the Peruvian government’s international responsibility in the violation of the human rights of the residents of La Oroya, and referred the case to the Inter-American Court. At the hearing next week, as part of the process of drafting their ruling, the judges of the court will hear from witnesses, experts, and victims, as well as from State representatives. As organizations that have legally represented and accompanied the group of victims since the beginning of the case, the Interamerican Association for Environmental Defense (AIDA) and the Pro Human Rights Association (APRODEH) will bring to the court strong arguments, supported by legal and scientific evidence, to defend the rights of the affected people. After a decades-long search of justice, the case is important not only for the community of La Oroya, but for all people affected by corporate activities across the continent. In addition, the case is representative of a serious political, social and environmental situation that has not been considered by national, regional and international politics. The current conditions prevent the citizens of La Oroya from having healthy prospects for the future. There exists a real need for justice and mobilization to generate a strong recognition of economic and environmental alternatives for the direct and indirect victims. Liliana Avila, senior attorney at AIDA, explains the context of the case and emphasizes the importance of a favorable and forceful decision by the court: "The La Oroya case before the Inter-American Court puts an end to more than 20 years of waiting in the search for justice and reparations for those whose lives were drastically changed by historic exposure to toxic contamination. It is a milestone for the Inter-American Human Rights System because it will be one of the first cases to centrally address the indivisible relationship between a healthy environment and other fundamental human rights such as life, health and personal integrity. It constitutes a unique opportunity to set a regional and global precedent for the protection of the right to a healthy environment and compliance with the obligations of States to adequately supervise corporate activities, as well as to guarantee the special protection of children, girls, women, the elderly and other vulnerable groups.” Gloria Cano Legua, executive director of APRODEH, refers to the urgency of a decision that grants justice and reparation to the people of La Oroya: "The victims have had to see how the State, through various governments, has disregarded its obligations, while their health problems have worsened. The indifference and sometimes hostility with which they have been treated has offended their dignity". PReSS CONTACTS: Víctor Quintanilla (AIDA), [email protected], +525570522107 Gloria Cano Legue (APRODEH), [email protected], +51 964 809 193 Christian Huaylinos Camacuari (APRODEH), [email protected], +51 959 789 232
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Victims of environmental contamination in La Oroya, Peru applaud the presentation of their case before the Inter-American Court of Human Rights
The decision, emitted by the Inter-American Commission on Human Rights, represents an important opportunity to restore the rights of affected residents. It’s the first time that a case of air pollution caused by business activities in an urban context has been brought before the Court. La Oroya, Peru. More than fifteen years after the case of environmental contamination in the city of La Oroya began, the Inter-American Commission on Human Rights established the Peruvian State’s responsibility for the violation of the affected population’s rights to life, integrity, health and a healthy environment. This month, the Commission referred the case to the Inter-American Court of Human Rights. "My sisters and I suffered exposure to heavy metals since we were children, having to migrate with our parents to an area far away from the contamination," said one of the victims, whose identity has been withheld due to the risk of reprisals for their role as environmental defenders. “We are thrilled to take one more step in this long process, in which so many of us have been involved. We are hopeful this will shine a ray of light on our path, and that our case will come to an end for the wellbeing of our health, so we can say 'Yes we could' in spite of so many falls.” The case originated with a petition, filed in 2005, by a group of La Oroya residents who, in the absence of responses at the national level, turned to the Commission to request precautionary measures. They subsequently denounced the violation of their rights resulting from chronic exposure to heavy metals (lead, cadmium and arsenic) from the metallurgical complex run by the company Doe Run Peru. The affected people appealed to the Inter-American Human Rights System because, although the Peruvian Constitutional Court ordered urgent measures for the protection of their rights in 2006, the State failed to comply with them. In an official communiqué on its decision, adopted on September 30, the Commission emphasized that "the State failed to comply with due diligence in its duties to regulate, supervise and oversee the behavior of the companies with respect to the rights they could affect, nor with its duty to prevent violations of these rights.” "We are happy for the news, so many years of waiting, frustration and fear. We are finally at the end,” said a mother whose parents and siblings were also affected by the contamination. “It’s a joy for all those who are present and for those who have left. We also thank the group of petitioners who have continued despite everything." The Interamerican Association for Environmental Defense (AIDA) and the Pro Human Rights Association (APRODEH), representatives of those affected in the case, welcome the Commission's decision, as it puts an end to several years of waiting and constitutes a great opportunity to restore the rights of the affected people. "It is a milestone for the Inter-American System because it is the first case to document a situation of environmental contamination, particularly air pollution, caused by business operations in an urban context," said Liliana Avila, Senior Attorney in AIDA's Human Rights Program. For Christian Huaylinos, Coordinator of APRODEH's Legal Department, "this case would allow the Court to advance State obligations regarding the special protection of populations that may be in a particularly vulnerable situation, such as children, adolescents and senior citizens. It would also address State responsibility, the obligations derived from the right to a healthy environment as an autonomous right, and its interdependence with other fundamental rights for human existence, such as health, life and personal integrity, as well as rights such as access to information, association and justice.” The contamination suffered by the inhabitants of La Oroya, many of them minors, particularly those who have come before the Commission, has had serious negative effects on their health with consequences that continue to this day. Although the metallurgical complex has implemented environmental management instruments, given the legal requirements at the national level aimed at mitigating and remediating the contamination caused, the State has granted extensions for their implementation without Doe Run Peru fully complying with its obligations. "I was very affected by the loss of my loved ones due to a lack of adequate healthcare, which lead to death. We’ve lost many people,” said one of the inhabitants of La Oroya, who has been affected since she was a minor and had to migrate to Lima with her mother. “We want to be treated well when we go to the doctor. I’ve lost my sisters and my father; we are all affected. I remember as I child I used to get spots from the arsenic.” She requests that the Court focus on the Peruvian health system when hearing the case and learning about its impacts. In all these years, the Peruvian State has failed to oversee, regulate and remedy the damage caused by the metallurgical complex. Its actions and omissions continue to violate human rights, to the detriment of the families of La Oroya. Members of the La Oroya community who have defended their right to a healthy environment have also been subjected to harassment and accusations. In this regard, the IACHR concluded that the State did not carry out "serious and effective criminal or administrative investigations to guarantee access to justice for the victims who were subjected to threats, harassment or reprisals by Doe Run Peru workers, as a result of the complaints made about the contamination." AIDA and APRODEH express their satisfaction with the presentation of the case before the Court and reiterate their commitment to the victims of La Oroya, to the defense of human rights, and the right to a healthy environment. press contacts: Victor Quintanilla (Mexico), AIDA, [email protected], +525570522107 Christian Huaylinos Camacuari (Peru), APRODEH, [email protected], +51959789232
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