Last update:
2014-04-08

San Mateo de Huanchor, Perú

Description:

La empresa minera Lisandro Proaño construyó una cancha de relaves entre los poblados Mayoc y Daza muy cerca del pueblo de San Mateo de Huanchor, que rememora cada año la gesta histórica de la población, cuando el 3 de enero de 1934 las protestas por contaminación contra la empresa Lisandro Proaño acabaron con una masacre, muerte de al menos 5 ciudadanos, persecución y detención de comuneros. El problema persistió por décadas, poco se ha hecho para erradicar las miles de toneladas de relaves, colocadas, primero en Mayoc y ahora unos cuantos metros más abajo en Tamboraque. Es justo mencionar a Margarita Pérez Anchirayco, valiente mujer.

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Basic Data
Name of conflict:San Mateo de Huanchor, Perú
Country:Peru
State or province:Lima
Location of conflict:San Mateo de Huanchor
Accuracy of locationHIGH (Local level)
Source of Conflict
Type of conflict: 1st level:Mineral Ores and Building Materials Extraction
Type of conflict: 2nd level :Tailings from mines
Water access rights and entitlements
Mineral processing
Specific commodities:
Recycled Metals
Project Details and Actors
Project details:

400.000 toneladas de relaves mineros (mine tailings)

Type of populationSemi-urban
Start of the conflict:1934
Company names or state enterprises:Minera Lizandro Proaño S.A. from Peru
A.A.A. Minera S.A. from Peru
Compañía Minera San Juan S.A. from Peru
Esperada S.A.C. from Peru
Gestiones y Recuperaciones de Activos S.A. from Peru
Natexis Banques Populaires from Peru
Sociedad Minera Aruri S.A.C. from Peru
Valderrama Saveedra Juan Orlando from Peru
Wiese Sudameris Leasing S.A. from Peru
Relevant government actors:Ministerio del Ambiente, Instituto de Salud y del Trabajo
International and Finance InstitutionsInter-American Commission on Human Rights
Environmental justice organizations (and other supporters) and their websites, if available:Frente de defensa de San Mateo de Huanchor, Confederación Nacional de - Comunidades del Perú Afectadas por la Minería (CONACAMI), Comité de Defensa del Medio Ambiente y Desarrollo Sostenible (CODEMADES)
Conflict and Mobilization
IntensityMEDIUM (street protests, visible mobilization)
Reaction stageMobilization for reparations once impacts have been felt
Groups mobilizing:Farmers
Indigenous groups or traditional communities
Neighbours/citizens/communities
Social movements
Women
Local scientists/professionals
Women activism
Forms of mobilization:Blockades
Community-based participative research (popular epidemiology studies, etc..)
Development of a network/collective action
Involvement of national and international NGOs
Lawsuits, court cases, judicial activism
Media based activism/alternative media
Objections to the EIA
Official complaint letters and petitions
Street protest/marches
Impacts of the project
Environmental ImpactsVisible: Air pollution, Soil contamination, Waste overflow, Surface water pollution / Decreasing water (physico-chemical, biological) quality, Groundwater pollution or depletion, Large-scale disturbance of hydro and geological systems, Mine tailing spills
Potential: Biodiversity loss (wildlife, agro-diversity), Food insecurity (crop damage), Loss of landscape/aesthetic degradation
Health ImpactsVisible: Exposure to unknown or uncertain complex risks (radiation, etc…), Mental problems including stress, depression and suicide, Occupational disease and accidents, Deaths, Other environmental related diseases
Other Health impactsArsenicosis
Lead poisoning
Socio-economical ImpactsVisible: Displacement, Loss of livelihood, Specific impacts on women, Land dispossession
Potential: Increase in Corruption/Co-optation of different actors, Increase in violence and crime, Militarization and increased police presence, Violations of human rights, Loss of landscape/sense of place
Outcome
Project StatusIn operation
Conflict outcome / response:Criminalization of activists
Deaths, Assassinations, Murders
Court decision (victory for environmental justice)
Strengthening of participation
Violent targeting of activists
Application of existing regulations
New Environmental Impact Assessment/Study
Successful criminal prosecution of owner of mining firm
Development of alternatives:Cleaning up the tailings.
Do you consider this an environmental justice success? Was environmental justice served?:Not Sure
Briefly explain:A pesar de las sentencias judiciales favorables el problema de los relaves continúa.
Sources and Materials
References to published books, academic articles, movies or published documentaries

Observatorio de Conflictos Mineros de América Latina OCMAL

Periódico La Primera

Web Alerta Plomo

Ramos, Willy, Galarza, Carlos, De Amat, Ferdinand, Pichardo, Lisbeth, Ronceros, Gerardo, Juárez, Denis, Mayhua, Alfredo, Anaya, Rosalía, Hurtado, Jorge, Chía, Humberto, Guizado, Darío, Ortega-Loayza, Alex, 2006, Queratosis arsenical en pobladores expuestos a relaves mineros en altura en San Mateo de Huanchor: ¿sinergismo entre arsenicismo y daño actínico crónico?, Dermatología Peruana, 16(1): 41-45.

E-cochaski

Periódico La República

Peru 21

Raúl Chacón Pagán, 2006, San Mateo de Huanchor 1998-2005: Percepciones. Ambientales y una victoria sin héroes (ni mártires), Revista de Sociología, Vol. XIV. Nº 16-17. Septiembre, 2006. Lima: UNMSM. Facultad de Ciencias Sociales.

Links to general newspaper articles, blogs or other websites

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Related media links to videos, campaigns, social network

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Other comments:Informe de CIDH sobre el caso: Comunidad de San Mateo de Huanchor v. Peru, Caso
504/03, Informe No. 69/04, Inter-Am. C.H.R., OEA/Ser.L/V/II.122 Doc. 5
rev. 1 en 527 (2004).
http://www1.umn.edu/humanrts/cases/S69-04.html
Meta information
Contributor:Patricio Chávez, JMA y Talia Waldron
Last update08/04/2014
Comments
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