← Peru mining record · All Peru sanctions
CATALINA HUANCA SOCIEDAD MINERA S.A.C.
Peru mining record: safety sanctions, environmental fines and fatal accidents
RUC (tax ID) 20509551767· On record from Nov 17, 2005 to Jun 5, 2026
Appears in the source as: "CATALINA HUANCA SOCIEDAD MINERA S.A.C. COPORACION VILLAR INGENIEROS S.A.C." · CATALINA HUANCA SOCIDAD MINERA S.A.C. · CATALINA HUANCA SOCIEDAD MINERA S.A.C. CORPORACION VILLAR INGENIEROS S.A.C. · CATALINA HUANCA SOCIEDAD MINERA S.AC. WAGNER MINING S.A.C.
7
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.74,712
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).21
published resolutions 2001-2019
5
OEFA environmental cases
11.44
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.9
deaths 2002-2021 (MINEM)
OSINERGMIN safety fines, 2020-2026, obtained by public-records request
From Dec 7, 2020 to Jun 5, 2026 · S/ 74,712 ≈$22K
Resolution 1899-2026
S/ 4,070 ≈$1,215
Jun 5, 2026 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202500272573
Sanctioned party as written: CATALINA HUANCA SOCIEDAD MINERA S.A.C.
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 | 0.74 | 4,070 | 100% |
Resolution 841-2026
S/ 3,520 ≈$1,051
Mar 9, 2026 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202500220967
Sanctioned party as written: CATALINA HUANCA SOCIEDAD MINERA S.A.C.
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 | 0.64 | 3,520 | 100% |
Resolution 554-2025
S/ 3,906 ≈$1,166
Feb 3, 2025 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202400167065
Sanctioned party as written: CATALINA HUANCA SOCIEDAD MINERA S.A.C.
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 | 0.73 | 3,906 | 100% |
Resolution 1747-2023
S/ 4,802 ≈$1,433
Aug 1, 2023 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202200248978
Sanctioned party as written: CATALINA HUANCA SOCIEDAD MINERA S.A.C.
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 | 0.97 | 4,802 | 100% |
Resolution 2398-2022
S/ 53,045 ≈$16K
Nov 11, 2022 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202100265656
Sanctioned party as written: CATALINA HUANCA SOCIEDAD MINERA S.A.C.
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 | 10.3 | 53,045 | 100% |
Resolution 3938-2021
S/ 3,220 ≈$961
Dec 17, 2021 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202100037376
Sanctioned party as written: CATALINA HUANCA SOCIEDAD MINERA S.A.C.
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 | 0.7 | 3,220 | 100% |
Resolution 2231-2020
S/ 2,150 ≈$642
Dec 7, 2020 · DIVISIÓN DE SUPERVISIÓN DE MEDIANA MINERÍA
Case file: 202000053566
Sanctioned party as written: CATALINA HUANCA SOCIEDAD MINERA S.A.C.
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 | 0.5 | 2,150 | 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 |
|---|---|---|---|---|
| Nov 21, 2019 | 2986-2019-OS-GSM hidden on the agency's page | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | ||
| Nov 21, 2018 | 2896-2018-OS-GSM | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | ||
| Nov 6, 2018 | 2737-2018-OS-GSM hidden on the agency's page | CATALINA HUANCA SOCIEDAD MINERA S.A.C. CORPORACION VILLAR INGENIEROS S.A.C. | ||
| Oct 29, 2018 | 2672-2018-OS-GSM | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | ||
| Jul 12, 2018 | 1721-2018-OS-GSM hidden on the agency's page | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | ||
| Mar 26, 2018 | 866-2018-OS-GSM | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | 229-2018-OS-TASTEM-S2 | |
| Jan 5, 2018 | 25-2018-OS-GSM hidden on the agency's page | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | ||
| Oct 17, 2017 | 1738-2017-OS-GSM | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | ||
| Aug 28, 2017 | 1286-2017-OS-GSM | CATALINA HUANCA SOCIDAD MINERA S.A.C. | ||
| Jul 31, 2017 | 1090-2017-OS-GSM | CATALINA HUANCA SOCIDAD MINERA S.A.C. | ||
| Sep 26, 2016 | 2736-2016-OS-GSM | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | ||
| Sep 21, 2016 | 2702-2016-OS-GSM | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | ||
| Aug 8, 2016 | 2276-2016-OS-GSM hidden on the agency's page | "CATALINA HUANCA SOCIEDAD MINERA S.A.C. COPORACION VILLAR INGENIEROS S.A.C." | ||
| Jun 2, 2016 | 1713-2016-OS-GSM | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | ||
| Feb 4, 2016 | 399-2016-OS-GFM | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | 058-2016-OS/TASTEM-S2 | |
| Jan 4, 2016 | 003-2016-OS-GFM | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | ||
| Jul 18, 2011 | Resolution (PDF) | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | ||
| Jan 18, 2011 | Resolution (PDF) | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | ||
| Jul 1, 2010 | RES-7814-2010-OS-GG hidden on the agency's page | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | MEDIO AMBIENTE | |
| Mar 23, 2010 | RES-6816-2010-OS-GG hidden on the agency's page | CATALINA HUANCA SOCIEDAD MINERA S.A.C. | MEDIO AMBIENTE | |
| Apr 7, 2008 | Resolution (PDF) hidden on the agency's page | CATALINA HUANCA SOCIEDAD MINERA S.AC. WAGNER MINING S.A.C. | SEGURIDAD E HIGIENE MINERA |
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
0960-2021-OEFA/DFAI
11.44 UIT
Apr 30, 2021 · Unit: Catalina Huanca · Ayacucho
Case: 0233-2020-OEFA/DFAI/PAS
Appeal: APELACIÓN, resolved by 0391-2021-OEFA/TFA-SE on Nov 18, 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. |
|---|---|
|
Adopción de medidas de previsión y control ambiental
El administrado no adoptó medidas de previsión y control a fin de evitar o impedir que agua con relave (pulpa) llegue a los cauces de los ríos Rajaure y Mischa
|
11.44 |
2168-2018-OEFA/DFAI
Sep 24, 2018 · Unit: Catalina Huanca · Ayacucho
Case: 0157-2018-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. |
|---|---|
|
Adopción de medidas de previsión y control ambiental
El administrado no implementó las medidas de previsión y control a fin de evitar y/o impedir la fuga de agua en la tubería que conecta el desarenador N° 1 con el desarenador N° 2.
corrective measure ordered
|
2022-2018-OEFA/DFAI
Aug 29, 2018 · Unit: Catalina Huanca · Ayacucho
Case: 0257-2018-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. |
|---|---|
|
Excesos de Límites Máximos Permisibles y/o ECAS
Catalina Huanca incumplió los Niveles Máximos Permisibles respecto de los parámetros Sólidos Totales Suspendidos y Arsénico Disuelto en el punto de control E-2 proveniente de la planta de tratamiento de aguas de mina que descarga sobre la quebrada Saccllani, ubicado en las coordenadas UTM (Zona 18) WGS 84 E 616111 y N 8453163 .
|
1186-2018-OEFA/DFAI
May 31, 2018 · Unit: Catalina Huanca · Ayacucho
Case: 2523-2017-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. |
|---|---|
|
Adopción de medidas de previsión y control ambiental
El titular minero no adoptó las medidas necesarias para evitar e impedir que los relaves filtrados en el patio de transferencia N° 5, puedan dispersarse hacia zonas aledañas.
|
|
|
Compromisos y/o normas ambientales simples
El titular minero almacenó la mezcla de relave filtrado con material de préstamo, en el patio de secado Amanda, sobre suelo sin impermeabilizar y sin contar con un sistema de subdrenaje, incumpliendo con lo establecido en su instrumento de gestión ambiental.
|
1558-2017-OEFA/DFSAI
Dec 18, 2017 · Unit: Catalina Huanca · Ayacucho
Case: 1253-2016-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. |
|---|---|
|
Excesos de Límites Máximos Permisibles y/o ECAS
El titular minero habría excedido los LMP para efluentes líquidos minero-metalúrgicos en el punto de control E-2 respecto al parámetro Arsénico (As)
|
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 |
|---|---|---|---|---|
| Jun 16, 2016 | CATALINA HUANCA | EXPOSICIÓN A, O CONTACTO CON RADIACIONES | CANARIA, VICTOR FAJARDO, AYACUCHO | Gran y Mediana Minería |
| Feb 6, 2015 | CATALINA HUANCA | DESPRENDIMIENTO DE ROCAS | CANARIA, VICTOR FAJARDO, AYACUCHO | Gran y Mediana Minería |
| May 26, 2012 | CATALINA HUANCA | DESPRENDIMIENTO DE ROCAS | CANARIA, VICTOR FAJARDO, AYACUCHO | Gran y Mediana Minería |
| Mar 9, 2012 | CATALINA HUANCA | CHOQUES CONTRA O ATRAPADO EN O GOLPES POR VEHÍCULO MOTORIZADO (TRÁNSITO) | CANARIA, VICTOR FAJARDO, AYACUCHO | Gran y Mediana Minería |
| Mar 9, 2012 | CATALINA HUANCA | CHOQUES CONTRA O ATRAPADO EN O GOLPES POR VEHÍCULO MOTORIZADO (TRÁNSITO) | CANARIA, VICTOR FAJARDO, AYACUCHO | Gran y Mediana Minería |
| Mar 9, 2012 | CATALINA HUANCA | CHOQUES CONTRA O ATRAPADO EN O GOLPES POR VEHÍCULO MOTORIZADO (TRÁNSITO) | CANARIA, VICTOR FAJARDO, AYACUCHO | Gran y Mediana Minería |
| Feb 18, 2007 | CATALINA HUANCA | INTOXICACION-ASFIXIA-ABSORCION-RADIACIONES | CANARIA, VICTOR FAJARDO, AYACUCHO | Gran y Mediana Minería |
| Dec 17, 2005 | CATALINA HUANCA | DESPRENDIMIENTO DE ROCAS | CANARIA, VICTOR FAJARDO, AYACUCHO | Gran y Mediana Minería |
| Nov 17, 2005 | CATALINA HUANCA | DESPRENDIMIENTO DE ROCAS | CANARIA, VICTOR FAJARDO, AYACUCHO | 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.