MINE DETAILS
BLUE MOUNTAIN MINERALS
MSHA MINE ID0404716
LOCATION
Mine location
1 of 1 mine with usable MSHA coordinates. Select a marker to open a mine.
Mine coordinates
- BLUE MOUNTAIN MINERALS38.06944, -120.42306Open 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
213,785reported 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 | 36,546 | 0.00 | 72 | 1/1 mines reporting |
| 2025 Q2 | 0 | 37,745 | 0.00 | 74 | 1/1 mines reporting |
| 2025 Q3 | 0 | 37,055 | 0.00 | 73 | 1/1 mines reporting |
| 2025 Q4 | 0 | 34,798 | 0.00 | 70 | 1/1 mines reporting |
| 2026 Q1 | 0 | 34,881 | 0.00 | 68 | 1/1 mines reporting |
| 2026 Q2 | 0 | 32,760 | 0.00 | 67 | 1/1 mines reporting |
| 2026 Q3 | — | — | — | — | No report |
| 2026 Q4 | — | — | — | — | No report |
Safety and enforcement
2025-01-01 – 2026-10-13
Violations
799 significant & substantial (S&S)
Accident records
50 records classified as fatality
Proposed penalties · USD
81,127.0079 of 79 violations with amounts
On-site inspection hours
130.008 inspections · 8 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 | 22 | 2 | 3,646.00 | 0 | 0 | 2 | 25.0 |
| 2025-Q2 | 42 | 6 | 67,669.00 | 2 | 0 | 2 | 47.5 |
| 2025-Q3 | 0 | 0 | — | 0 | 0 | 0 | — |
| 2025-Q4 | 1 | 0 | 151.00 | 0 | 0 | 1 | 5.0 |
| 2026-Q1 | 11 | 1 | 7,614.00 | 2 | 0 | 2 | 29.3 |
| 2026-Q2 | 0 | 0 | — | 1 | 0 | 0 | — |
| 2026-Q3 | 3 | 0 | 2,047.00 | 0 | 0 | 1 | 23.3 |
| 2026-Q4 * | 0 | 0 | — | 0 | 0 | 0 | — |
Most cited CFR sections
All violations issued in the selected period. Counts combine subsections.
Safety activity
56.20003(a) · $1,431.00 proposed
56.14132(a) · $151.00 proposed
56.4101 · $465.00 proposed
Regular Safety and Health Inspection · 23.3 on-site hours
STEPPING OR KNEELING ON OBJECT · DAYS RESTRICTED ACTIVITY ONLY
Accident narrative
A Mine Engineer was walking on a road in the pit and stepped on a loose rock that moved under foot causing a strain making it uncomfortable to walk.
Compliance Follow-up Inspection · 1.3 on-site hours
56.17001 · $465.00 proposed
48.27(a) · $1,153.00 proposed
56.20003(b) · $313.00 proposed
56.14100(b) · $313.00 proposed
56.14207 · $313.00 proposed
56.14132(a) · $465.00 proposed
56.14132(b)(1)(i) · $465.00 proposed
56.14207 · $313.00 proposed
56.14101(a)(2) · $465.00 proposed
56.14101(a)(2) · S&S · $2,312.00 proposed
56.9300(a) · $1,037.00 proposed
Regular Safety and Health Inspection · 28.0 on-site hours
MACHINERY · DAYS AWAY FROM WORK ONLY
Accident narrative
Miner was welding the inside of a metal chute through a standing access point to the chute. There were bright reflections of light off the metal. Injury happened despite proper welding helmet/visor being worn.
DISORDERS (REPEATED TRAUMA) · OCCUPATNAL ILLNESS NOT DEG 1-6
Accident narrative
Annual Audiometric Test Hearing Standard Threshold Shift 4th quarter 7000.2 reported 01/12/2026 Due to this on audiometric test dated 12/08/2025 the retest was not confirmed until the next available appointment 01/06/2026. This will not be on 1st qt reporting 7000.2 for 2026. Employee works at multiple mine and construction sites.
56.14100(b) · $151.00 proposed
103 (g) Written Notification Hazard Complaint Inspectio · 5.0 on-site hours
HANDLING OF MATERIALS · NO DYS AWY FRM WRK,NO RSTR ACT
Accident narrative
Performing Conveyor Maintenance led to dust of work falling into the face of the miner. Some got behind the eye protection and was unfortunately rubbed in, causing imbedding of foreign material in the left eye.
HANDLING OF MATERIALS · NO DYS AWY FRM WRK,NO RSTR ACT
Accident narrative
Replacing a return roller. Return roller, with a hole full of material was pulled from a sitting position by the miner. Twisting hard to move heavy object caused persistent soreness in lower left side/back. Miner did not report condition and medical visits until next scheduled shift after receiving a restricted work status 6/21/2025.
Compliance Follow-up Inspection · 1.8 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.
—
Portola Minerals CompanycontrolsBlue Mountain MineralsoperatesBLUE MOUNTAIN MINERALS
msha-controller-operator-history · controller/operator co-tenure derived on mine 0404716—
Bechtel & Sequoia Ventures InccontrolsBlue Mountain MineralsoperatesBLUE MOUNTAIN MINERALS
msha-controller-operator-history · controller/operator co-tenure derived on mine 0404716—
Daniel E Cripe et alcontrolsBlue Mountain QuarriesoperatesBLUE MOUNTAIN MINERALS
msha-controller-operator-history · controller/operator co-tenure derived on mine 0404716Other 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
77 historical accident/injury rows; 0 coded fatalities and 1,267 lost days across the published record.
ACCIDENT + INJURY RECORD18 since 2021
accidentsmine-production-quarterly02 / COMPLIANCEwatch
Violations and penalties
355 violation rows across the full record; 73 carry an S&S flag and $125,622 appears in current assessed amounts.
ENFORCEMENT ACTIVITY113 since 2021
inspectionsviolationsassessed-violationsorders-107a03 / HEALTHcontext
Occupational health samples
43 personal. 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 EXPOSURE43 samples
personal-health-samples04 / PRODUCTIONcontext
Quarterly production and employment
33K employee hours and 67 summed average employees across reported subunits in the latest published quarter.
2026-Q20 tons
mine-production-quarterlymine-production-yearly05 / LEGALwatch
Contests, conferences and decisions
22 contested-violation rows, 22 civil-penalty docket/decision rows, and 54 conference records linked by issuance number.
POST-ISSUANCE LIFECYCLE98 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 CONTEXT4 linked entities
contractor-production-quarterlycontractor-production-yearlyaccidentsviolations07 / INSPECTIONScontext
Inspections
85 inspection events and 2K published inspection hours across the historical record.
OVERSIGHT COVERAGE18 since 2021
inspectionsviolationsHEALTH SAMPLING
Silica and quartz
Coal quartz, metal/nonmetal personal samples and area samples. Snapshot Oct 13, 2026. 2 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 |
|---|---|---|---|---|---|
| 000000202600764800 | Metal/nonmetal personalQuartz, respirable, >1% Qtz | Laborer, Bullgang | 0× published limitConcentration: 0000.44 · limit: 0000.00Source unit unspecified | Not reported | NO ACTIONInspection F037D73 |
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 56.20003Housekeeping.2 recent rows ↗30 CFR 56.14132Horns and backup alarms.3 recent rows ↗30 CFR 56.4101Warning signs.1 recent row ↗30 CFR 56.17001Illumination of surface working areas.1 recent row ↗30 CFR 48.27Training of miners assigned to a task in which they have had no previous experience; minimum courses of instruction.1 recent row ↗30 CFR 56.14100Safety defects; examination, correction and records.1 recent row ↗30 CFR 56.14207Parking procedures for unattended equipment.2 recent rows ↗30 CFR 56.14101Brakes.1 recent row ↗
RECENT PUBLIC RECORDS
Recent violations and samples
Latest records retained for inspection; aggregates above use the full source history.
510666956.20003(a)Citation
510666756.14132(a)Citation
510666656.4101Citation
989079356.17001Citation
989079248.27(a)Order
989079156.20003(b)Citation
989078956.14100(b)Citation
989078856.14207Citation
Coal dust, noise and other contaminants. Silica records above ↑
Unlisted Particulate, respirable, <1% QtzBagging Operator
C/E: 00.00Concentration: 0002.03 · limit: 0000.00Source unit unspecified
Nuisance dust, respirable, <1% QtzBagging Operator
C/E: 00.08Concentration: 0000.82 · limit: 0010.00Source unit unspecified
Nuisance dust, respirable, <1% QtzBulldozer Operator
C/E: 00.01Concentration: 0000.12 · limit: 0010.00Source unit unspecified
Nuisance dust, respirable, <1% QtzPipe Fitter/Millright/Plumber
C/E: 00.02Concentration: 0000.15 · limit: 0010.00Source unit unspecified
Nuisance dust, respirable, <1% QtzWasher Operator
C/E: 00.11Concentration: 0001.14 · limit: 0010.00Source unit unspecified
Respirable dust, <.1mgCrusher Oper/Worker
C/E: 00.00Concentration: 0000.00 · limit: 0000.00Source unit unspecified
Nuisance dust, respirable, <1% QtzPipe Fitter/Millright/Plumber
C/E: 00.17Concentration: 0001.73 · limit: 0010.00Source unit unspecified
Nuisance dust, respirable, <1% QtzPipe Fitter/Millright/Plumber
C/E: 00.05Concentration: 0000.49 · limit: 0010.00Source unit unspecified
SOURCE COVERAGE
Reporting dates and coverage
15 datasets contain linked records. Missing datasets are listed below.
DATASETROWSWINDOWSTATUS
Accident, Injuries, and Illnessessafety · contractors77Jan 27, 2000—Apr 13, 2026mine-keyed
Addresses of Recordidentity · logistics1Oct 6, 1991—Oct 6, 1991mine-keyed
Assessed Violationscompliance · legal353Jan 9, 2001—Jul 15, 2026mine-keyed
Civil Penalty Dockets and Decisionscompliance · legal22Sep 27, 2010—Sep 2, 2025mine-keyed
Coal Dust Sampleshealth · safety—No published rowsabsent / not applicable
Conferencescompliance · legal54Feb 5, 2001—Aug 26, 2026mine-keyed
Contested Violationscompliance · legal22Nov 17, 2009—May 15, 2025mine-keyed
Contractor Employment and Production — Quarterlycontractors · production · safety349Not published—Not publishedentity-linked
Contractor Employment and Production — Yearlycontractors · production · safety90Not published—Not publishedentity-linked
Controller and Operator Historyidentity · compliance3Jul 1, 1984—Aug 10, 1994mine-keyed
Mine Employment and Production — Quarterlyproduction · safety · compliance318Not published—Not publishedmine-keyed
Mine Employment and Production — Yearlyproduction · safety · compliance81Not published—Not publishedmine-keyed
Inspectionssafety · compliance85Jan 9, 2001—Jul 13, 2026mine-keyed
Minesidentity · production · logistics1Not published—Not publishedmine-keyed
Metal and Nonmetal Area Sampleshealth · safety—No published rowsabsent / not applicable
Metal and Nonmetal Personal Health Sampleshealth · safety43Jan 10, 2001—Feb 25, 2026mine-keyed
Noise Sampleshealth · safety · equipment—No published rowsabsent / not applicable
Quartz Samples — Coalhealth · safety—No published rowsabsent / not applicable
Violationscompliance · safety · legal355Jan 9, 2001—Jul 15, 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.