MINE DETAILS
Sunshine Mine
MSHA MINE ID1000089
LOCATION
Mine location
1 of 1 mine with usable MSHA coordinates. Select a marker to open a mine.
Mine coordinates
- Sunshine Mine47.52611, -116.05167Open map ↗
Quarterly trends
2025 Q1 – 2026 Q4
Database snapshot · 2026-10-13. MSHA quarterly production and employment reports.
Coal production
0reported short tons
Hours worked
200,065reported employee hours
Tons per hour
0.00production ÷ hours worked
Missing values appear as —. Totals use available reports. Tons per hour requires production and hours for the same quarters and a nonzero hours total. * Striped bars mark partial mine coverage or an incomplete quarter. See the table for coverage.
Quarterly data and reporting coverage
| Quarter | Coal (short tons) | Hours worked | Tons / hour | Avg. employees | Coverage |
|---|---|---|---|---|---|
| 2025 Q1 | 0 | 12,526 | 0.00 | 28 | 1/1 mines reporting |
| 2025 Q2 | 0 | 28,154 | 0.00 | 78 | 1/1 mines reporting |
| 2025 Q3 | 0 | 36,454 | 0.00 | 83 | 1/1 mines reporting |
| 2025 Q4 | 0 | 36,080 | 0.00 | 84 | 1/1 mines reporting |
| 2026 Q1 | 0 | 41,385 | 0.00 | 98 | 1/1 mines reporting |
| 2026 Q2 | 0 | 45,466 | 0.00 | 117 | 1/1 mines reporting |
| 2026 Q3 | — | — | — | — | No report |
| 2026 Q4 | — | — | — | — | No report |
Safety and enforcement
2025-01-01 – 2026-10-13
Violations
60 significant & substantial (S&S)
Accident records
60 records classified as fatality
Proposed penalties · USD
772.005 of 6 violations with amounts
On-site inspection hours
226.2516 inspections · 16 with hours
Counts are published records, including contractor records. * The quarter was incomplete at the snapshot date; recent counts may rise as reports arrive. — means no reported amount or hours. Portfolio totals use current membership.
Quarterly safety data
| Quarter | Violations | S&S | Proposed USD | Accident records | Fatality records | Inspections | On-site hours |
|---|---|---|---|---|---|---|---|
| 2025-Q1 | 0 | 0 | — | 0 | 0 | 2 | 16.5 |
| 2025-Q2 | 1 | 0 | — | 1 | 0 | 3 | 53.3 |
| 2025-Q3 | 1 | 0 | 151.00 | 1 | 0 | 2 | 19.5 |
| 2025-Q4 | 1 | 0 | 151.00 | 1 | 0 | 2 | 37.8 |
| 2026-Q1 | 0 | 0 | — | 3 | 0 | 2 | 25.8 |
| 2026-Q2 | 3 | 0 | 470.00 | 0 | 0 | 3 | 47.0 |
| 2026-Q3 | 0 | 0 | — | 0 | 0 | 2 | 26.5 |
| 2026-Q4 * | 0 | 0 | — | 0 | 0 | 0 | — |
Most cited CFR sections
All violations issued in the selected period. Counts combine subsections.
Safety activity
Impoundment Spot Inspection · 1.0 on-site hours
Regular Safety and Health Inspection · 25.5 on-site hours
Verbal Hazard Complaint Inspections · 6.0 on-site hours
57.18002 · $151.00 proposed
48.6(a) · $168.00 proposed
57.4201(a)(2) · $151.00 proposed
Regular Safety and Health Inspection · 39.5 on-site hours
Impoundment Spot Inspection · 1.5 on-site hours
HANDTOOLS (NONPOWERED) · DAYS RESTRICTED ACTIVITY ONLY
Accident narrative
Employee was in the process of cutting vent bag with a razor knife and it slipped striking employee on opposite left hand.
HOISTING · ACCIDENT ONLY
Accident narrative
During a winter storm, we lost power to the site causing us to lose hoisting capabilities. Seven employees were downshaft at the time.
HOISTING · ACCIDENT ONLY
Accident narrative
During a winter storm, a tree fell onto the power lines coming into the mine. This caused a power outage which made the hoist inoperable.
Regular Safety and Health Inspection · 24.3 on-site hours
Impoundment Spot Inspection · 1.5 on-site hours
57.4760 · $151.00 proposed
MACHINERY · NO DYS AWY FRM WRK,NO RSTR ACT
Accident narrative
EE was installing air header onto existing HDPE pipe valve. EE tightened the vic between the valve and header. EE realized the header needed to be rotated so EE used the impact and started to loosen the bolt. EE inadvertently loosened the bolt on the charged side of the valve causing the header to break free from the vic.
Impoundment Spot Inspection · 1.3 on-site hours
Regular Safety and Health Inspection · 36.5 on-site hours
POWERED HAULAGE · NO DYS AWY FRM WRK,NO RSTR ACT
Accident narrative
EE was swamping on the back of the track lowboy that was loaded with an electrical cabinet. The cabinet came in contact with the lockbox for the portal gate causing the lowboy to come to a sudden stop. The stop caused the employee to come in contact with the electrical cabinet.
Impoundment Spot Inspection · 1.3 on-site hours
57.12032 · $151.00 proposed
Regular Safety and Health Inspection · 18.3 on-site hours
FIRE · ACCIDENT ONLY
Accident narrative
The electric motor for the pump on the 1700 level lost one leg of the 3 phases. This caused the remaining two legs to heat up because they were drawing more amperage. The varnish on the coils and insulation started to smoke as a result of the motor heating up.
Non-Injury Accident Investigation · 30.5 on-site hours
Description not reported
Regular Safety and Health Inspection · 20.0 on-site hours
Safety sources and definitions
MSHA Violations (issue date), Accidents (accident date), and Inspections (begin date). Snapshot 2026-10-13.
Counts describe published rows, including contractor records; accident records are not distinct incidents or numbers of people injured.
Zero means no matching records in the imported sources, not proof of no events. Historical coverage differs by source; absence before a source begins reporting is not a zero incident rate. Invalid or absent dates and records after the snapshot are excluded.
S&S means SIG_SUB=Y. Fatality records use DEGREE_INJURY_CD=01. Proposed penalties are not final assessed or paid amounts; missing dollar values are omitted.
Inspection hours are SUM_TOTAL_ON_SITE_HOURS attributed to the inspection start date, without supervisor/trainee hours. Missing hours are omitted; a started inspection may still be open.
Portfolio totals use current mine membership, including events before the current owner or operator's tenure.
CFR headings link to the current Title 30 index; they are not historical legal determinations.
OWNERSHIP
Operator and controller history
Current ownership comes from MSHA Mines. Historical start and end dates come from MSHA Controller and Operator History.
—
The Electrum Group LLCcontrolsSilver Opportunity Partners LLCoperatesSunshine Mine
msha-controller-operator-history · controller/operator co-tenure derived on mine 1000089—
Sunshine Silver Mines CorpcontrolsSilver Opportunity Partners LLCoperatesSunshine Mine
msha-controller-operator-history · controller/operator co-tenure derived on mine 1000089—
Precious Metals Opportunities LLC et alcontrolsSilver Opportunity PartnersoperatesSunshine Mine
msha-controller-operator-history · controller/operator co-tenure derived on mine 1000089—
Roger Van Voorhees et alcontrolsSterling Mining CompanyoperatesSunshine Mine
msha-controller-operator-history · controller/operator co-tenure derived on mine 1000089—
Kenneth Rux et alcontrolsSterling Mining CompanyoperatesSunshine Mine
msha-controller-operator-history · controller/operator co-tenure derived on mine 1000089—
J K Berscht et alcontrolsSterling Mining CompanyoperatesSunshine Mine
msha-controller-operator-history · controller/operator co-tenure derived on mine 1000089—
Sunshine Mining & Refining CompanycontrolsSunshine Precious Metals IncoperatesSunshine Mine
msha-controller-operator-history · controller/operator co-tenure derived on mine 1000089Other historical summaries · source-specific periods
RECORD SUMMARY
Production, safety and enforcement
These summaries use the periods stated on each card, independently of the reporting period above.
01 / SAFETYwatch
Accidents and injuries
106 historical accident/injury rows; 1 coded fatalities and 558 lost days across the published record.
ACCIDENT + INJURY RECORD7 since 2021
accidentsmine-production-quarterly02 / COMPLIANCEwatch
Violations and penalties
350 violation rows across the full record; 91 carry an S&S flag and $64,705 appears in current assessed amounts.
ENFORCEMENT ACTIVITY13 since 2021
inspectionsviolationsassessed-violationsorders-107a03 / HEALTHcontext
Occupational health samples
23 personal; 2 area. 0 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
OCCUPATIONAL EXPOSURE25 samples
personal-health-samplesarea-samples04 / PRODUCTIONcontext
Quarterly production and employment
45K employee hours and 117 summed average employees across reported subunits in the latest published quarter.
2026-Q20 tons
mine-production-quarterlymine-production-yearly05 / LEGALwatch
Contests, conferences and decisions
7 contested-violation rows, 8 civil-penalty docket/decision rows, and 17 conference records linked by issuance number.
POST-ISSUANCE LIFECYCLE32 linked rows
conferencescontested-violationscivil-penalty-dockets-decisions06 / CONTRACTORScontext
Contractors
Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
ENTITY-LEVEL CONTEXT8 linked entities
contractor-production-quarterlycontractor-production-yearlyaccidentsviolations07 / INSPECTIONScontext
Inspections
156 inspection events and 6K published inspection hours across the historical record.
OVERSIGHT COVERAGE54 since 2021
inspectionsviolationsHEALTH SAMPLING
Silica and quartz
Coal quartz, metal/nonmetal personal samples and area samples. Snapshot Oct 13, 2026. 3 silica records across the mine’s published history.
Personal silica samples · concentration / limit
Quarterly mean · published C/E ratio
— No eligible measurements. * Quarter in progress. Means describe the available samples, not average exposure across the mine.
Quartz % is the sample’s quartz content; µg/m³ is its reported concentration. Personal C/E is the ratio to the limit published with that sample. Personal and area concentration units and void status are not specified in those source files.
| Date / sample | Dataset / analyte | Occupation / area | Measurement | Sample status | Published action |
|---|---|---|---|---|---|
| 000000202603265000 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Miner, Drift | 0.73× published limitConcentration: 0000.89 · limit: 0001.22Source unit unspecified | Not reported | NO ACTIONInspection F029FC9 |
| 000000202601776900 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Roof Bolter, Rock | 0.85× published limitConcentration: 0001.04 · limit: 0001.22Source unit unspecified | Not reported | NO ACTIONInspection F02A25D |
Sources and interpretation
- Coal means use numeric concentrations from samples marked not voided, excluding control/invalid sample types and dates after the snapshot. Missing values remain null; reported zeroes remain zero.
- Quarterly means describe available samples, not mine-wide or worker-average exposure. Quarters with no eligible measurements remain empty; the current quarter is partial.
- Personal C/E is MSHA's published concentration-to-limit ratio. A value above 1 is not by itself a citation or a determination under the 2024 silica rule. Personal and area files do not publish a void-status field.
- Area records include bulk-dust analyses and are kept separate from personal exposure results. Their concentration units are not specified in the source dictionary.
- Missing samples do not establish safe conditions. Coal quartz percentage and concentration are separate measures. No compliance threshold is inferred for coal samples.
Coal quartz field definitions ↗Metal/nonmetal personal field definitions ↗Metal/nonmetal area field definitions ↗
EIA + TITLE 30
EIA production and cited regulations
EIA annual figures are reported separately from MSHA. Regulation links use the current eCFR snapshot.
Not present in the 2024 EIA coal workbook.
This can mean the operation is non-coal, inactive for the annual period, or outside the EIA-7A reporting population.
30 CFR 57.18002Examination of working places.1 recent row ↗30 CFR 48.6Experienced miner training.1 recent row ↗30 CFR 57.4201Inspection.1 recent row ↗30 CFR 57.4760Shaft mines.1 recent row ↗30 CFR 57.12032Inspection and cover plates.1 recent row ↗30 CFR 57.12030Correction of dangerous conditions.1 recent row ↗30 CFR 50.30Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.3 recent rows ↗30 CFR 57.19121Recordkeeping.1 recent row ↗
RECENT PUBLIC RECORDS
Recent violations and samples
Latest records retained for inspection; aggregates above use the full source history.
505621257.18002Citation
505621148.6(a)Order
505597557.4201(a)(2)Citation
505401257.4760Citation
505344457.12032Citation
9828593—Order
990629257.12030Citation
972279550.30(a)Citation
Coal dust, noise and other contaminants. Silica records above ↑
TC from EC @ 160Truck Driver
C/E: 00.00Concentration: 0000.00 · limit: 0160.00Source unit unspecified
TC @ 160Truck Driver
C/E: 00.00Concentration: 0000.00 · limit: 0160.00Source unit unspecified
ORGANIC CARBONTruck Driver
C/E: 00.00Concentration: 0000.00 · limit: 0000.00Source unit unspecified
EC @ 160Truck Driver
C/E: 00.00Concentration: 0000.00 · limit: 0160.00Source unit unspecified
TC from EC @ 160Mucking Mach. Operator
C/E: 00.00Concentration: 0000.00 · limit: 0160.00Source unit unspecified
TC @ 160Mucking Mach. Operator
C/E: 00.59Concentration: 0095.00 · limit: 0160.00Source unit unspecified
ORGANIC CARBONMucking Mach. Operator
C/E: 00.00Concentration: 0000.00 · limit: 0000.00Source unit unspecified
EC @ 160Mucking Mach. Operator
C/E: 00.49Concentration: 0079.00 · limit: 0160.00Source unit unspecified
SOURCE COVERAGE
Reporting dates and coverage
16 datasets contain linked records. Missing datasets are listed below.
DATASETROWSWINDOWSTATUS
Accident, Injuries, and Illnessessafety · contractors106Jan 11, 2000—Mar 17, 2026mine-keyed
Addresses of Recordidentity · logistics1Dec 1, 2015—Dec 1, 2015mine-keyed
Assessed Violationscompliance · legal346Feb 29, 2000—Apr 29, 2026mine-keyed
Civil Penalty Dockets and Decisionscompliance · legal8Apr 23, 2001—May 13, 2015mine-keyed
Coal Dust Sampleshealth · safety—No published rowsabsent / not applicable
Conferencescompliance · legal17Apr 18, 2000—Aug 28, 2018mine-keyed
Contested Violationscompliance · legal7May 16, 2012—Nov 6, 2014mine-keyed
Contractor Employment and Production — Quarterlycontractors · production · safety1,422Not published—Not publishedentity-linked
Contractor Employment and Production — Yearlycontractors · production · safety288Not published—Not publishedentity-linked
Controller and Operator Historyidentity · compliance7Jan 1, 1950—Sep 28, 2011mine-keyed
Mine Employment and Production — Quarterlyproduction · safety · compliance374Not published—Not publishedmine-keyed
Mine Employment and Production — Yearlyproduction · safety · compliance80Not published—Not publishedmine-keyed
Inspectionssafety · compliance156Feb 29, 2000—Aug 18, 2026mine-keyed
Minesidentity · production · logistics1Not published—Not publishedmine-keyed
Metal and Nonmetal Area Sampleshealth · safety2Apr 28, 2026—Apr 28, 2026mine-keyed
Metal and Nonmetal Personal Health Sampleshealth · safety23Nov 29, 2007—Aug 11, 2026mine-keyed
Noise Sampleshealth · safety · equipment—No published rowsabsent / not applicable
Quartz Samples — Coalhealth · safety—No published rowsabsent / not applicable
Violationscompliance · safety · legal350Feb 29, 2000—Apr 29, 2026mine-keyed
107(a) Orders Issuedsafety · compliance—No published rowsabsent / not applicable
NOTES
Limitations
- Contractor production is entity-level and is never represented as mine-attributable.
- Missing rows can mean no event, publication delay, identity mismatch, or inapplicability.