Mining Incidents

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PAN AMERICAN SILVER HUARON S.A.

Peru mining record: safety sanctions, environmental fines and fatal accidents

RUC (tax ID) 20546191541· On record from Mar 25, 2013 to May 9, 2025

Appears in the source as: PAN AMERICAN SILVER HUARON

8
sanction resolutions
ⓘ A resolution (resolución) is OSINERGMIN's formal written decision closing one sanction case: an order from the regulator, not a court judgment. A single resolution can fine several infractions at once, and it can be appealed to TASTEM, the agency's own appeals tribunal.
759,045
in fines (S/)
ⓘ S/ is the Peruvian sol, Peru's currency. The gray dollar figures are approximate conversions at S/ 3.35 per US$1 (August 2026).
13
published resolutions 2001-2019
9
OEFA environmental cases
63.12
in OEFA fines (UIT)
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
3
deaths 2002-2021 (MINEM)
OSINERGMIN safety fines, 2020-2026, obtained by public-records request

From Jan 25, 2021 to May 9, 2025 · S/ 759,045 ≈$227K

Resolution 1868-2025 S/ 78,645 ≈$23K
May 9, 2025 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202400261269
Sanctioned party as written: PAN AMERICAN SILVER HUARON S.A.
Obligation (OSINERGMIN's label)
ⓘ The legal obligation OSINERGMIN found breached, in the agency's own Spanish wording.
State (OSINERGMIN)
ⓘ OSINERGMIN's own per-infraction state, kept verbatim in Spanish: FUNDADA (upheld), FUNDADA EN PARTE (upheld in part), INFUNDADA (dismissed), ARCHIVADA (closed), NULIDAD (annulled), EMITIDA (issued).
UIT
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Fines (S/)
ⓘ S/ is the Peruvian sol, Peru's currency. The gray dollar figures are approximate conversions at S/ 3.35 per US$1 (August 2026).
% paid
ⓘ The share of the fine OSINERGMIN reports as paid for this infraction. Whether it reflects collection to date has not been confirmed with the agency.
7.1 Transporte, carga, acarreo y descarga. EMITIDA 14.7 78,645 100%
Resolution 381-2024 S/ 4,687 ≈$1,399
Feb 7, 2024 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202300206578
Sanctioned party as written: PAN AMERICAN SILVER HUARON S.A.
Obligation (OSINERGMIN's label)
ⓘ The legal obligation OSINERGMIN found breached, in the agency's own Spanish wording.
State (OSINERGMIN)
ⓘ OSINERGMIN's own per-infraction state, kept verbatim in Spanish: FUNDADA (upheld), FUNDADA EN PARTE (upheld in part), INFUNDADA (dismissed), ARCHIVADA (closed), NULIDAD (annulled), EMITIDA (issued).
UIT
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Fines (S/)
ⓘ S/ is the Peruvian sol, Peru's currency. The gray dollar figures are approximate conversions at S/ 3.35 per US$1 (August 2026).
% paid
ⓘ The share of the fine OSINERGMIN reports as paid for this infraction. Whether it reflects collection to date has not been confirmed with the agency.
2.1.11 Ventilacion EMITIDA 0.91 4,687 100%
Resolution 1424-2023 S/ 116,276 ≈$35K
Jun 16, 2023 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202200053095
Sanctioned party as written: PAN AMERICAN SILVER HUARON S.A.
Obligation (OSINERGMIN's label)
ⓘ The legal obligation OSINERGMIN found breached, in the agency's own Spanish wording.
State (OSINERGMIN)
ⓘ OSINERGMIN's own per-infraction state, kept verbatim in Spanish: FUNDADA (upheld), FUNDADA EN PARTE (upheld in part), INFUNDADA (dismissed), ARCHIVADA (closed), NULIDAD (annulled), EMITIDA (issued).
UIT
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Fines (S/)
ⓘ S/ is the Peruvian sol, Peru's currency. The gray dollar figures are approximate conversions at S/ 3.35 per US$1 (August 2026).
% paid
ⓘ The share of the fine OSINERGMIN reports as paid for this infraction. Whether it reflects collection to date has not been confirmed with the agency.
2.1.11 Ventilacion EMITIDA 7.71 38,165 100%
6.1.2 Obligaciones del supervisor EMITIDA 9.64 47,718 100%
2.1.11 Ventilacion EMITIDA 6.14 30,393 100%
Resolution 2020-2022 S/ 26,174 ≈$7,813
Aug 24, 2022 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202100170998
Sanctioned party as written: PAN AMERICAN SILVER HUARON S.A.
Obligation (OSINERGMIN's label)
ⓘ The legal obligation OSINERGMIN found breached, in the agency's own Spanish wording.
State (OSINERGMIN)
ⓘ OSINERGMIN's own per-infraction state, kept verbatim in Spanish: FUNDADA (upheld), FUNDADA EN PARTE (upheld in part), INFUNDADA (dismissed), ARCHIVADA (closed), NULIDAD (annulled), EMITIDA (issued).
UIT
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Fines (S/)
ⓘ S/ is the Peruvian sol, Peru's currency. The gray dollar figures are approximate conversions at S/ 3.35 per US$1 (August 2026).
% paid
ⓘ The share of the fine OSINERGMIN reports as paid for this infraction. Whether it reflects collection to date has not been confirmed with the agency.
6.1.2 Obligaciones del supervisor EMITIDA 5.69 26,174 100%
Resolution 3430-2021 S/ 69,432 ≈$21K
Oct 27, 2021 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202100037278
Sanctioned party as written: PAN AMERICAN SILVER HUARON S.A.
Obligation (OSINERGMIN's label)
ⓘ The legal obligation OSINERGMIN found breached, in the agency's own Spanish wording.
State (OSINERGMIN)
ⓘ OSINERGMIN's own per-infraction state, kept verbatim in Spanish: FUNDADA (upheld), FUNDADA EN PARTE (upheld in part), INFUNDADA (dismissed), ARCHIVADA (closed), NULIDAD (annulled), EMITIDA (issued).
UIT
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Fines (S/)
ⓘ S/ is the Peruvian sol, Peru's currency. The gray dollar figures are approximate conversions at S/ 3.35 per US$1 (August 2026).
% paid
ⓘ The share of the fine OSINERGMIN reports as paid for this infraction. Whether it reflects collection to date has not been confirmed with the agency.
2.1.1 Estudios y planos EMITIDA 15.78 69,432 100%
Resolution 3053-2021 S/ 69,872 ≈$21K
Sep 22, 2021 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202000070812
Sanctioned party as written: PAN AMERICAN SILVER HUARON S.A.
Obligation (OSINERGMIN's label)
ⓘ The legal obligation OSINERGMIN found breached, in the agency's own Spanish wording.
State (OSINERGMIN)
ⓘ OSINERGMIN's own per-infraction state, kept verbatim in Spanish: FUNDADA (upheld), FUNDADA EN PARTE (upheld in part), INFUNDADA (dismissed), ARCHIVADA (closed), NULIDAD (annulled), EMITIDA (issued).
UIT
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Fines (S/)
ⓘ S/ is the Peruvian sol, Peru's currency. The gray dollar figures are approximate conversions at S/ 3.35 per US$1 (August 2026).
% paid
ⓘ The share of the fine OSINERGMIN reports as paid for this infraction. Whether it reflects collection to date has not been confirmed with the agency.
6.1.2 Obligaciones del supervisor EMITIDA 5.91 26,004 100%
1.3 Informe detallado de investigación de accidente mortal EMITIDA 9.97 43,868 100%
Resolution 941-2021 S/ 383,488 ≈$114K
Apr 5, 2021 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202000049591
Sanctioned party as written: PAN AMERICAN SILVER HUARON S.A.
Obligation (OSINERGMIN's label)
ⓘ The legal obligation OSINERGMIN found breached, in the agency's own Spanish wording.
State (OSINERGMIN)
ⓘ OSINERGMIN's own per-infraction state, kept verbatim in Spanish: FUNDADA (upheld), FUNDADA EN PARTE (upheld in part), INFUNDADA (dismissed), ARCHIVADA (closed), NULIDAD (annulled), EMITIDA (issued).
UIT
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Fines (S/)
ⓘ S/ is the Peruvian sol, Peru's currency. The gray dollar figures are approximate conversions at S/ 3.35 per US$1 (August 2026).
% paid
ⓘ The share of the fine OSINERGMIN reports as paid for this infraction. Whether it reflects collection to date has not been confirmed with the agency.
9.3 Disposicion y manejo de residuos mineros INFUNDADA 71.68 383,488 100%
Resolution 160-2021 S/ 10,472 ≈$3,126
Jan 25, 2021 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202000023979
Sanctioned party as written: PAN AMERICAN SILVER HUARON S.A.
Obligation (OSINERGMIN's label)
ⓘ The legal obligation OSINERGMIN found breached, in the agency's own Spanish wording.
State (OSINERGMIN)
ⓘ OSINERGMIN's own per-infraction state, kept verbatim in Spanish: FUNDADA (upheld), FUNDADA EN PARTE (upheld in part), INFUNDADA (dismissed), ARCHIVADA (closed), NULIDAD (annulled), EMITIDA (issued).
UIT
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Fines (S/)
ⓘ S/ is the Peruvian sol, Peru's currency. The gray dollar figures are approximate conversions at S/ 3.35 per US$1 (August 2026).
% paid
ⓘ The share of the fine OSINERGMIN reports as paid for this infraction. Whether it reflects collection to date has not been confirmed with the agency.
2.1.11 Ventilacion EMITIDA 2.38 10,472 100%
OSINERGMIN published sanctions, 2001-2019
Year Resolution
ⓘ A resolution (resolución) is OSINERGMIN's formal written decision closing one sanction case: an order from the regulator, not a court judgment. A single resolution can fine several infractions at once, and it can be appealed to TASTEM, the agency's own appeals tribunal.
Sanctioned party as written Type TASTEM ruling
Feb 28, 2019 517-2019-OS-GSM hidden on the agency's page PAN AMERICAN SILVER HUARON S.A. 156-2019-OS/TASTEM-S2
Dec 31, 2018 3202-2018-OS-GSM PAN AMERICAN SILVER HUARON S.A. 085-2019-OS/TASTEM-S2
Mar 21, 2018 828-2018-OS-GSM PAN AMERICAN SILVER HUARON S.A.
Dec 20, 2017 2531-2017-OS-GSM PAN AMERICAN SILVER HUARON S.A.
Oct 11, 2017 1695-2017-OS-GSM PAN AMERICAN SILVER HUARON S.A.
Sep 26, 2017 1544-2017-OS-GSM hidden on the agency's page PAN AMERICAN SILVER HUARON S.A.
Jul 7, 2017 969-2017-OS-GSM hidden on the agency's page PAN AMERICAN SILVER HUARON S.A. 191-2018-OS-TASTEM-S2
Jun 16, 2017 828-2017-OS-GSM hidden on the agency's page PAN AMERICAN SILVER HUARON S.A.
Jun 14, 2017 809-2017-OS-GSM PAN AMERICAN SILVER HUARON S.A.
Jun 1, 2016 1693-2016-OS-GSM hidden on the agency's page PAN AMERICAN SILVER HUARON S.A. 100-2017-OS-TASTEM-S2
May 16, 2016 1480-2016-OS-GSM PAN AMERICAN SILVER HUARON S.A.
May 11, 2016 1416-2016-OS-GSM hidden on the agency's page PAN AMERICAN SILVER HUARON S.A.
Oct 27, 2015 Resolution (PDF) PAN AMERICAN SILVER HUARON

The regulator's own list, frozen in December 2019. It publishes no fine amount: the resolution PDF is the record. A row naming a titleholder and a contractor together is shown as written.

OEFA environmental sanctions, 2017-2023
1512-2020-OEFA/DFAI 8.16 UIT
Dec 28, 2020 · Unit: Huarón · Pasco
Case: 0026-2019-OEFA/DFAI/PAS
Appeal: APELACIÓN, resolved by 0420-2021-OEFA/TFA-SE on Dec 2, 2021
Infraction (OEFA's classification) Fine (UIT)
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Eficacia de la fiscalización
El titular minero incumplió el mandato ordenado en el Artículo 2° de la Resolución Directoral N° 019-2018-OEFA/DSEM
8.16
0939-2020-OEFA/DFAI 46.09 UIT
Aug 31, 2020 · Unit: Huarón · Pasco
Case: 3111-2018-OEFA/DFAI/PAS
Appeal: APELACIÓN, resolved by 0037-2021-OEFA/TFA-SE on Feb 9, 2021
Infraction (OEFA's classification) Fine (UIT)
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Residuos Sólidos
El titular minero dispuso residuos sólidos en un lugar no autorizado, incumpliendo lo previsto en su instrumento de gestión ambiental.
corrective measure ordered
29.34
Compromisos y/o normas ambientales simples
El titular minero no ha construido un tramo de aproximadamente 750 metros de cerco perimetral, alrededor del Depósito de Relaves N° 5, incumpliendo lo previsto en su instrumento de gestión ambiental
14.94
Manejo de efluentes
El titular minero descargó el agua proveniente de la Planta de Tratamiento de Aguas Residuales Domésticas Francois hacia el espejo de agua del Depósito de Relaves N° 5, incumpliendo lo previsto en su instrumento de gestión ambiental.
corrective measure ordered
1.81
Compromisos y/o normas ambientales simples
El titular minero no contaba con un depósito de top soil, por lo que el suelo removido por la actividad minera estaba siendo dispuesto en el área que corresponde al ex depósito de relaves N° 2, área que no cumplía con las medidas de manejo ambiental correspondientes, incumpliéndose con lo previsto en su instrumento de gestión ambiental.
2199-2019-OEFA/DFAI 8.87 UIT
Dec 31, 2019 · Unit: Huarón · Pasco
Case: 2611-2018-OEFA/DFAI/PAS
Appeal: RECONSIDERACIÓN, resolved by 0623-2020-OEFA/DFAI on Jun 23, 2020
Infraction (OEFA's classification) Fine (UIT)
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Manejo de efluentes
El administrado no condujo los efluentes industriales provenientes del laboratorio químico hacia la presa de relave N° 5, según lo previsto en su instrumento de gestión ambiental
corrective measure ordered
8.87
3129-2018-OEFA/DFAI
Dec 14, 2018 · Unit: Pasivos Ambientales Mineros de la Unidad Minera Huarón · Junin
Case: 0103-2018-OEFA/DFAI/PAS
Infraction (OEFA's classification) Fine (UIT)
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Abandono o remediación ambiental
American Silver no realizó las actividades de cierre programadas para el campamento CAMP1, ubicado en el sector San Jorge, incumpliendo lo establecido su instrumento ambiental.
corrective measure ordered
2632-2018-OEFA/DFAI
Oct 31, 2018 · Unit: Huarón · Pasco
Case: 0381-2018-OEFA/DFAI/PAS
Appeal: RECONSIDERACIÓN, resolved by 0439-2022-OEFA/DFAI on Mar 31, 2022
Infraction (OEFA's classification) Fine (UIT)
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Adopción de medidas de previsión y control ambiental
Pan American no adoptó medidas de prevención y control para evitar e impedir que el derrame de relaves, producto del colapso de una de las paredes del aliviadero de emergencia, discurra hacia el cauce del río Trapiche
corrective measure ordered
2613-2018-OEFA/DFAI
Oct 31, 2018 · Unit: Pasivos Ambientales Mineros de la Unidad Minera Huarón · Junin
Case: 0345-2018-OEFA/DFAI/PAS
Infraction (OEFA's classification) Fine (UIT)
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Compromisos y/o normas ambientales simples
Pan American no captó ni condujo la totalidad del agua residual generada durante el proceso de tratamiento de mineral hacia el depósito de relaves Nº 5, incumpliendo lo establecido en su instrumento de gestión ambiental.
Adopción de medidas de previsión y control ambiental
Pan American no adoptó medidas de prevención y control para evitar e impedir que el agua de filtración proveniente del depósito de relave Nº 5 entre en contacto directo con el suelo, incumpliendo lo establecido en la normativa ambiental
0953-2018-OEFA/DFAI
May 21, 2018 · Unit: Pasivos Ambientales Mineros de la Unidad Minera Huarón · Junin
Case: 2988-2017-OEFA/DFSAI/PAS
Infraction (OEFA's classification) Fine (UIT)
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Residuos Sólidos
El administrado realizó un inadecuado manejo de residuos sólidos en la zona de la Planta Concentradora.
Compromisos y/o normas ambientales simples
El administrado no retiró y almacenó en forma adecuada la cobertura vegetal y el top soil previo a la disposición de relaves en la Presa de Relaves N° 5, incumpliendo lo señalado en su instrumento de gestión ambiental.
0055-2018-OEFA/DFAI
Jan 18, 2018 · Unit: Pasivos Ambientales Mineros de la Unidad Minera Huarón · Junin
Case: 0013-2017-OEFA/DFSAI/PAS
Infraction (OEFA's classification) Fine (UIT)
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Compromisos y/o normas ambientales simples
El administrado no habría dispuesto la totalidad de los lodos provenientes de las pozas de sedimentación en el depósito de relaves N° 5, conforme a lo establecido en su instrumento de gestión ambiental.
Compromisos y/o normas ambientales simples
El administrado no habría realizado un adecuado manejo del agua de escorrentía, conforme a lo establecido en su instrumento de gestión ambiental
corrective measure ordered
Manejo de efluentes
El administrado no habría captado el agua de mina (efluente minero – metalúrgico) proveniente del túnel B-3 en el canal de concreto, conforme a lo establecido en su instrumento de gestión ambiental.
1216-2017-OEFA/DFSAI
Oct 12, 2017 · Unit: Huarón · Pasco
Case: 0116-2017-OEFA/DFSAI/PAS
Appeal: APELACIÓN, resolved by 0013-2018-OEFA/TFA-SMEPIM on Jan 26, 2018
Infraction (OEFA's classification) Fine (UIT)
ⓘ The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.
Abandono o remediación ambiental
El titular minero no ejecutó las medidas de cierre establecidas en el PCPAM Huarón, consistente en la construcción de estructuras hidráulicas en los depósitos de desmonte denominados DA-108 y DA-109 pertenecientes a la zona de San Marcelo.

From OEFA's environmental infractions register (RUIAS), mining subsector, snapshot cut April 30, 2024. Fines are in UIT, Peru's yearly-revalued tax unit, as OEFA states them; a case can carry several infraction lines and a corrective measure instead of a fine.

Fatal accidents, 2002-2021 (MINEM)
Date of death Mining unit Accident type (as classified) Place Category
Jul 6, 2015
accident on Jul 5, 2015
HUARON EXPOSICIÓN A, O CONTACTO CON RADIACIONES HUAYLLAY, PASCO, PASCO Gran y Mediana Minería
Jul 16, 2014 HUARON EXPOSICIÓN A, O CONTACTO CON RADIACIONES HUAYLLAY, PASCO, PASCO Gran y Mediana Minería
Mar 25, 2013 HUARON DESPRENDIMIENTO DE ROCAS HUAYLLAY, PASCO, PASCO Gran y Mediana Minería

One row per death from the Ministry of Energy and Mines' open-data list, naming the titleholder and mining unit. The file has no 2019 rows and only 10 for 2017-2018, an upstream gap; deaths after June 2021 are not in it.