← Peru mining record · All Peru sanctions
COMPAÑIA MINERA COIMOLACHE S.A.
Peru mining record: safety sanctions, environmental fines and fatal accidents
RUC (tax ID) 20140688640· On record from Mar 3, 2012 to Jan 22, 2025
Appears in the source as: CIA MINERA COIMOLACHE SA · COMPAÑÍA MINERA COIMOLACHE S.A.
2
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.148,115
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).2
published resolutions 2001-2019
3
OEFA environmental cases
44.06
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.2
deaths 2002-2021 (MINEM)
OSINERGMIN safety fines, 2020-2026, obtained by public-records request
From Feb 24, 2021 to Jan 22, 2025 · S/ 148,115 ≈$44K
Resolution 332-2025
S/ 35,915 ≈$11K
Jan 22, 2025 · DIVISIÓN DE SUPERVISIÓN DE GRAN MINERÍA
Case file: 202400139215
Sanctioned party as written: COMPAÑIA MINERA COIMOLACHE 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. |
|---|---|---|---|---|
| 2.1.13 Baranda y mallas. | EMITIDA | 3.5 | 19,250 | 100% |
| 11.3 Iluminación. | EMITIDA | 3.03 | 16,665 | 100% |
Resolution 637-2021
S/ 112,200 ≈$33K
Feb 24, 2021 · DIVISIÓN DE SUPERVISIÓN DE GRAN MINERÍA
Case file: 202000048308
Sanctioned party as written: CIA MINERA COIMOLACHE SA
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 Aviso de incidente peligroso y/o situacion de emergencia | EMITIDA | 15 | 66,000 | 100% |
| 1.4 Informe de investigacin de incidente peligroso y/o situacin de emergencia | EMITIDA | 10.5 | 46,200 | 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 7, 2018 | 355-2018-OS-GSM hidden on the agency's page | COMPAÑÍA MINERA COIMOLACHE S.A. | ||
| Oct 21, 2015 | 2591-2015-OS-GFM | COMPAÑÍA MINERA COIMOLACHE S.A. | 243-2015-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
1419-2023-OEFA/DFAI
14.06 UIT
Jun 28, 2023 · Unit: Tantahuatay · Cajamarca
Case: 0315-2023-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 adoptó las medidas de prevención para evitar el discurrimiento de aguas de contacto y de no contacto a la quebrada Tacamache.
|
14.06 |
0401-2019-OEFA/DFAI
30.00 UIT
Mar 29, 2019 · Unit: Tantahuatay · Cajamarca
Case: 2946-2018-OEFA/DFAI/PAS
Appeal: APELACIÓN, resolved by 0334-2019-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. |
|---|---|
|
Excesos de Límites Máximos Permisibles y/o ECAS
El administrado excedió los Límites Máximos Permisibles en el punto de control E-4, respecto al parámetro de Zinc Total
|
30.00 |
2202-2018-OEFA/DFAI
Sep 27, 2018 · Unit: Tantahuatay · Cajamarca
Case: 0912-2018-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 titular minero no adoptó las medidas de previsión y control que eviten e impidan la existencia y arrastre de sedimentos con alto contenido de arsénico, mercurio, plomo, cadmio, cromo y zinc hacia la quebrada Tres Amigos.
corrective measure ordered
|
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 |
|---|---|---|---|---|
| Sep 15, 2016 | ACUMULACION TANTAHUATAY | DERRUMBE (CAÍDAS DE MASAS DE TIERRA, DE ROCAS, DE PIEDRAS, DE NIEVE) | CATILLUC, SAN MIGUEL, CAJAMARCA | Gran y Mediana Minería |
| Mar 3, 2012 | ACUMULACION TANTAHUATAY | OTROS TIPOS - AHOGAMIENTO POR INUNDACION | CATILLUC, SAN MIGUEL, CAJAMARCA | 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.