Mining Incidents

← Peru mining record · All Peru sanctions

COMPAÑIA MINERA KOLPA S.A.

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

RUC (tax ID) 20600020022· On record from Oct 19, 2017 to Jan 22, 2026

Appears in the source as: COMPAÑÍA MINERA KOLPA S.A.

13
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.
312,875
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
71.13
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.
7
deaths 2002-2021 (MINEM)
OSINERGMIN safety fines, 2020-2026, obtained by public-records request

From Jun 9, 2020 to Jan 22, 2026 · S/ 312,875 ≈$93K

Resolution 322-2026 S/ 3,630 ≈$1,084
Jan 22, 2026 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202500171384
Sanctioned party as written: COMPAÑIA MINERA KOLPA 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 Ventilación. EMITIDA 0.66 3,630 100%
Resolution 200-2026 S/ 12,100 ≈$3,612
Jan 19, 2026 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202500157950
Sanctioned party as written: COMPAÑIA MINERA KOLPA 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.
1.1 Autorización de construcción. EMITIDA 2.2 12,100 100%
Resolution 4604-2025 S/ 7,972 ≈$2,380
Dec 10, 2025 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202500096351
Sanctioned party as written: COMPAÑIA MINERA KOLPA 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. EMITIDA 0.62 3,317 100%
2.1.1 Estudios. EMITIDA 0.87 4,655 100%
Resolution 2359-2025 S/ 4,227 ≈$1,262
Jun 12, 2025 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202500001656
Sanctioned party as written: COMPAÑIA MINERA KOLPA 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 Ventilación. EMITIDA 0.79 4,227 100%
Resolution 3634-2024 S/ 4,120 ≈$1,230
Oct 25, 2024 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202400077164
Sanctioned party as written: COMPAÑIA MINERA KOLPA 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 Ventilación. EMITIDA 0.8 4,120 100%
Resolution 2179-2023 S/ 54,450 ≈$16K
Oct 5, 2023 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202200272873
Sanctioned party as written: COMPAÑIA MINERA KOLPA 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 INFUNDADA 9.9 54,450 0%
Resolution 1718-2023 S/ 6,732 ≈$2,010
Aug 1, 2023 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202200248325
Sanctioned party as written: COMPAÑIA MINERA KOLPA 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 1.36 6,732 100%
Resolution 1660-2023 S/ 9,999 ≈$2,985
Jul 18, 2023 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202200260768
Sanctioned party as written: COMPAÑIA MINERA KOLPA 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 0.9 4,455 100%
2.1.11 Ventilacion EMITIDA 1.12 5,544 100%
Resolution 631-2021 S/ 94,530 ≈$28K
Mar 11, 2021 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 201900215322
Sanctioned party as written: COMPAÑIA MINERA KOLPA 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 FUNDADA EN PARTE 20.55 94,530 100%
Resolution 2370-2020 S/ 2,376 ≈$709
Dec 29, 2020 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202000041588
Sanctioned party as written: COMPAÑIA MINERA KOLPA 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 0.54 2,376 100%
Resolution 1893-2020 S/ 101,904 ≈$30K
Nov 2, 2020 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 201900126619
Sanctioned party as written: COMPAÑIA MINERA KOLPA 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.
1.2 Autorizacion de funcionamiento EMITIDA 23.16 101,904 100%
Resolution 939-2020 S/ 8,514 ≈$2,541
Jul 15, 2020 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 201900097128
Sanctioned party as written: COMPAÑIA MINERA KOLPA 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.
2.2.2 Reparación, mantenimiento y limpieza EMITIDA 1.98 8,514 100%
Resolution 774-2020 S/ 2,322 ≈$693
Jun 9, 2020 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 201900113867
Sanctioned party as written: COMPAÑIA MINERA KOLPA 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 0.54 2,322 100%
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
Oct 14, 2019 2678-2019-OS-GSM COMPAÑÍA MINERA KOLPA S.A.
Sep 20, 2019 2480-2019-OS-GSM hidden on the agency's page COMPAÑIA MINERA KOLPA S.A.
Aug 28, 2019 2277-2019-OS-GSM COMPAÑIA MINERA KOLPA S.A. 317-2019-OS/TASTEM-S2
Jun 18, 2019 1556-2019-OS-GSM hidden on the agency's page COMPAÑÍA MINERA KOLPA S.A.
Apr 9, 2019 908-2019-OS-GSM COMPAÑÍA MINERA KOLPA S.A.
Dec 28, 2018 3190-2018-OS-GSM COMPAÑIA MINERA KOLPA S.A.
Dec 28, 2018 3195-2018-OS-GSM COMPAÑIA MINERA KOLPA S.A.
Oct 16, 2018 2567-2018-OS-GSM hidden on the agency's page COMPAÑÍA MINERA KOLPA S.A.
Aug 22, 2018 2111-2018-OS-GSM COMPAÑÍA MINERA KOLPA S.A.
Dec 14, 2017 2371-2017-OS-GSM hidden on the agency's page COMPAÑÍA MINERA KOLPA S.A. 250-2018-OS-TASTEM-S2
Dec 6, 2017 2259-2017-OS-GSM hidden on the agency's page COMPAÑÍA MINERA KOLPA S.A. 204-2018-OS-TASTEM-S2
Dec 6, 2017 2260-2017-OS-GSM hidden on the agency's page COMPAÑÍA MINERA KOLPA S.A. 251-2018-OS-TASTEM-S2
Oct 19, 2017 1765-2017-OS-GSM hidden on the agency's page COMPAÑIA MINERA KOLPA S.A. 263-2018-OS-TASTEM-S2

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
1455-2021-OEFA/DFAI 42.37 UIT
Jun 18, 2021 · Unit: Patara · Huancavelica
Case: 0436-2019-OEFA/DFAI/PAS
Appeal: APELACIÓN, resolved by 0173-2022-OEFA/TFA-SE on Apr 28, 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.
Actividades, componentes y/o equipos no declarados
El administrado habilitó aproximadamente 3.5 kilómetros de vía de acceso y disturbado un área de 200 metros de longitud por 5 metros de ancho, sin contar con certificación ambiental aprobada por la autoridad competente
corrective measure ordered
42.37
1276-2020-OEFA/DFAI 8.56 UIT
Nov 13, 2020 · Unit: Huachocolpa Uno · Huancavelica
Case: 2944-2018-OEFA/DFAI/PAS
Appeal: APELACIÓN, resolved by 0412-2022-OEFA/TFA-SE on Sep 27, 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.
Compromisos y/o normas ambientales simples
El titular minero no ejecutó talleres de protocolos para centros de salud, de manera anual durante el año 2017, tal como se establece en el Programa de Desarrollo Local orientado al Fortalecimiento de las Instituciones Locales dedicadas a la Salud, incumplimiento lo previsto en su instrumento de gestión ambiental. La RD 0754-2022-OEFA/DFAI archiva el siguiente extremo: Talleres de capacitación para promotores de centros de salud
7.34
Compromisos y/o normas ambientales simples
El titular minero no realizó charlas de educación vial dirigidas a docentes, alumnos y padres de familia de instituciones educativas del Centro Poblado de Huachocolpa antes de iniciar las actividades de construcción durante el año 2017, conforme al compromiso ambiental de Subprograma de Tráfico del Plan de Gestión Social, incumpliendo lo establecido en su instrumento de gestión ambiental La RD 0754-2022-OEFA/DFAI archiva el siguiente extremo: Reuniones con autoridades comunales para informar sobre el plan de contingencias en caso de derrame de hidrocarburos o sustancias peligrosas
1.22
Adopción de medidas de previsión y control ambiental
El titular minero no implementó medidas de previsión y control para evitar el ingreso de agua de drenaje con sólidos suspendidos provenientes de la vía de acceso hacia el canal de coronación Comihuasa, las cuales descargan al rio Escalera
Adopción de medidas de previsión y control ambiental
El titular minero no cuenta con una instalación apropiada para el almacenamiento y carguío de concentrados de plomo, cobre y zinc, con confinamientos y/o con cubierta permanente para impedir que dichos concentrados se dispersen por efecto de las precipitaciones y el viento
Adopción de medidas de previsión y control ambiental
El titular minero no adoptó las medidas de previsión durante la construcción del dique del depósito de relave D para el control de sólidos suspendidos en los cursos de aguas superficiales, generados por las actividades de remoción de tierras y del tránsito de unidades en áreas de drenaje de escorrentías superficiales, las cuales son vertidas al rio Escalera
2094-2019-OEFA/DFAI 20.20 UIT
Dec 20, 2019 · Unit: Huachocolpa Uno · Huancavelica
Case: 0585-2019-OEFA/DFAI/PAS
Appeal: APELACIÓN, resolved by 0167-2020-OEFA/TFA-SE on Sep 15, 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.
Excesos de Límites Máximos Permisibles y/o ECAS
El administrado excedió los Límites Máximos Permisibles respecto a los parámetros potencial de hidrógeno (pH) y Cobre Total en el punto de control V-01, correspondiente al efluente proveniente de la planta de neutralización y coagulación dinámica (NCD) que descarga al río Escalera.
corrective measure ordered
20.20
3350-2018-OEFA/DFAI
Dec 31, 2018 · Unit: Huachocolpa Uno · Huancavelica
Case: 1265-2018-OEFA/DFAI/PAS
Appeal: APELACIÓN, resolved by 0332-2019-OEFA/TFA-SMEPIM on Jul 5, 2019
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
Kolpa se encontraba operando solo una poza denominada Poza de Contingencias, pese a que su instrumento de gestión ambiental contempló la implementación de tres (3) pozas, cada una con un funcionamiento específico
Adopción de medidas de previsión y control ambiental
Kolpa no adoptó oportunamente las medidas de protección y control a fin de evitar el derrame de cal en el área del dosificador.
corrective measure ordered
Adopción de medidas de previsión y control ambiental
Kolpa no implementó las medidas para el control de derrame de relaves en la cancha de relaves C.
Excesos de Límites Máximos Permisibles y/o ECAS
Kolpa excedió los límites máximos permisibles en el punto V-01, respecto del parámetro pH.
Adopción de medidas de previsión y control ambiental
Kolpa no adoptó oportunamente las medidas de protección y control en los sistemas de conducción de agua ácida, a fin de evitar fugas o derrames de agua de contacto.
3250-2018-OEFA/DFAI
Dec 28, 2018 · Unit: Huachocolpa Uno · Huancavelica
Case: 0985-2018-OEFA/DFAI/PAS
Appeal: APELACIÓN, resolved by 0364-2019-OEFA/TFA-SMEPIM on Jul 31, 2019
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
Kolpa no implementó medidas de control de derrames en el área de la Planta Concentradora Comihuasa y depósitos de relave.
corrective measure ordered
3004-2018-OEFA/DFAI
Nov 30, 2018 · Unit: Huachocolpa Uno · Huancavelica
Case: 1075-2018-OEFA/DFAI/PAS
Appeal: APELACIÓN, resolved by 0493-2019-OEFA/TFA-SMEPIM on Nov 20, 2019
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
Kolpa no adoptó las medidas de prevención y control a fin de evitar el afloramiento de agua con presencia de metales pesados, ubicado a pie del talud del Depósito de Relaves C entre en contacto con el río Escalera
Excesos de Límites Máximos Permisibles y/o ECAS
Kolpa excedió los Niveles Máximos Permisibles, respecto a los parámetros de Sólidos Suspendidos Totales (STS), Zinc Total (Zn) y Cadmio Total (Cd) en el punto de control ESP-1 .
Excesos de Límites Máximos Permisibles y/o ECAS
Kolpa excedió los Niveles Máximos Permisibles, respecto al parámetro Zinc Disuelto en el punto de control V-01 .
2664-2018-OEFA/DFAI
Oct 31, 2018 · Unit: Huachocolpa Uno · Huancavelica
Case: 0874-2018-OEFA/DFAI/PAS
Appeal: APELACIÓN, resolved by 0333-2019-OEFA/TFA-SMEPIM on Jul 5, 2019
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.
Reportes de emergencia
El administrado no remitió al OEFA el reporte preliminar y reporte final de la emergencia ambiental en la forma, oportunidad y modo respecto al evento ocurrido el 17 de marzo del 2015 en la unidad fiscalizable Huachocolpa Uno
Compromisos y/o normas ambientales simples
El administrado no realizó un adecuado manejo de los lodos que se generan por la operación de la planta NCD, de acuerdo con las especificaciones técnicas aprobadas en su instrumento de gestión ambiental
corrective measure ordered
1550-2018-OEFA/DFAI
Jun 28, 2018 · Unit: Huachocolpa Uno · Huancavelica
Case: 0216-2018-OEFA/DFAI/PAS
Appeal: APELACIÓN, resolved by 0264-2018-OEFA/TFA-SMEPIM on Sep 14, 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.
Excesos de Límites Máximos Permisibles y/o ECAS
Kolpa excedió los Niveles Máximos Permisibles, respecto al parámetro Zinc Disuelto en el punto de control V-01 .
1497-2017-OEFA/DFSAI
Dec 6, 2017 · Unit: Huachocolpa Uno · Huancavelica
Case: 0556-2016-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.
Actividades, componentes y/o equipos no declarados
Minera Kolpa S.A. habría implementado componentes no previstos en sus instrumentos de gestión ambiental.

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
Mar 17, 2021
accident on Mar 15, 2021
ESCOPETA ATRAPADA POR UN OBJETO SANTA ANA, CASTROVIRREYNA, HUANCAVELICA Gran y Mediana Minería
Mar 16, 2021 AMELIA PRIMERA 2011 CHOQUES CONTRA OBJETOS INMÓVILES (A EXCEPCIÓN DE CHOQUES DEBIDOS A UNA CAÍDA ANTERIOR) LIRCAY, ANGARAES, HUANCAVELICA Gran y Mediana Minería
Mar 16, 2021 CARHUANCHO 2017 ATRAPADA ENTRE DOS OBJETOS MÓVILES (A EXCEPCIÓN DE LOS OBJETOS VOLANTES O QUE CAEN) PILPICHACA, HUAYTARA, HUANCAVELICA Gran y Mediana Minería
Mar 16, 2021
accident on Mar 17, 2021
AMELIA PRIMERA 2011 CAÍDAS DE PERSONAS QUE OCURREN AL MISMO NIVEL LIRCAY, ANGARAES, HUANCAVELICA Gran y Mediana Minería
Mar 8, 2021 CARHUANCHO 2017 DESPLOME (DE EDIFICIOS, DE MUROS, DE ANDAMIOS, DE ESCALERAS, DE PILAS DE MERCANCÍAS) PILPICHACA, HUAYTARA, HUANCAVELICA Gran y Mediana Minería
Mar 8, 2021
accident on Mar 9, 2021
AMELIA PRIMERA 2011 CAÍDAS DE PERSONAS QUE OCURREN AL MISMO NIVEL LIRCAY, ANGARAES, HUANCAVELICA Gran y Mediana Minería
Mar 8, 2021 CARHUANCHO 2017 DESPLOME (DE EDIFICIOS, DE MUROS, DE ANDAMIOS, DE ESCALERAS, DE PILAS DE MERCANCÍAS) PILPICHACA, HUAYTARA, HUANCAVELICA 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.