ACTIVE / OPERATOR PORTFOLIO

Mountain Cement Company LLC

Membership and operating status are from the latest MSHA Mines snapshot. Open a mine for its ownership history.

MSHA OPERATOR IDL08533

MINE PORTFOLIO

1 of 1 mines and facilities

2025-01-01 – 2026-10-18. Active records; production reporting is not required.

MineLocation / typeCoal · short tonsHours workedViolationsAccident recordsOn-site inspection hours
Mountain Cement Company4800007 · Active6/8 quarters reportedAlbany, WYFacility · MSHA: Cement0465,69015925506.3

LOCATION

Mine location

1 of 1 mine with usable MSHA coordinates. Select a marker to open a mine.

Mine coordinates

2025-01-01 – 2026-10-18Applies to production, safety and portfolio metrics. Silica samples have separate filters.

Violations

159

46 significant & substantial (S&S)

  1. 2025 Q122
  2. 2025 Q23
  3. 2025 Q333
  4. 2025 Q49
  5. 2026 Q123
  6. 2026 Q23
  7. 2026 Q366
  8. 2026 Q4 *0

Accident records

25

0 records classified as fatality

  1. 2025 Q10
  2. 2025 Q23
  3. 2025 Q31
  4. 2025 Q43
  5. 2026 Q18
  6. 2026 Q23
  7. 2026 Q37
  8. 2026 Q4 *0

Proposed penalties · USD

150,949.00

151 of 159 violations with amounts

  1. 2025 Q116,944
  2. 2025 Q2819
  3. 2025 Q323,472
  4. 2025 Q411,966
  5. 2026 Q124,480
  6. 2026 Q230,760
  7. 2026 Q342,508
  8. 2026 Q4 *—

On-site inspection hours

506.25

21 inspections · 21 with hours

  1. 2025 Q184.00
  2. 2025 Q297.25
  3. 2025 Q313.00
  4. 2025 Q4127.25
  5. 2026 Q135.50
  6. 2026 Q214.75
  7. 2026 Q3132.00
  8. 2026 Q4 *2.50
Quarterly safety data
QuarterViolationsS&SProposed USDAccident recordsFatality recordsInspectionsOn-site hours
2025-Q122716,944.0000184.0
2025-Q230819.0030397.3
2025-Q333623,472.0010213.0
2025-Q49411,966.00303127.3
2026-Q123524,480.0080535.5
2026-Q23230,760.0030314.8
2026-Q3662242,508.00703132.0
2026-Q4 *00—0012.5

Most cited CFR sections

All violations issued in the selected period. Counts combine subsections.

Safety activity

  1. violation5211365
    Mountain Cement Company · 4800007

    56.12004 · $151.00 proposed

  2. violation5213237
    Mountain Cement Company · 4800007

    56.12004 · $151.00 proposed

  3. violation5213236
    Mountain Cement Company · 4800007

    56.16009 · S&S · $398.00 proposed

  4. violation5213164
    Mountain Cement Company · 4800007

    56.20003(a) · S&S · $4,383.00 proposed

  5. violation5213163
    Mountain Cement Company · 4800007

    56.12028 · $151.00 proposed

  6. violation5213162
    Mountain Cement Company · 4800007

    56.20003(a) · S&S · $4,383.00 proposed

  7. violation5213161
    Mountain Cement Company · 4800007

    56.14112(a)(1) · $165.00 proposed

  8. violation5213160
    Mountain Cement Company · 4800007

    56.16003 · $151.00 proposed

  9. violation5211364
    Mountain Cement Company · 4800007

    56.4101 · $151.00 proposed

  10. violation5211363
    Mountain Cement Company · 4800007

    56.14205 · S&S · $7,676.00 proposed

  11. violation5213235
    Mountain Cement Company · 4800007

    56.12004 · $151.00 proposed

  12. violation5213159
    Mountain Cement Company · 4800007

    56.20003(a) · $366.00 proposed

  13. violation5213158
    Mountain Cement Company · 4800007

    56.12028 · $151.00 proposed

  14. violation5213157
    Mountain Cement Company · 4800007

    56.16003 · $151.00 proposed

  15. violation5213156
    Mountain Cement Company · 4800007

    56.12032 · S&S · $3,448.00 proposed

  16. violation5213155
    Mountain Cement Company · 4800007

    56.20003(a) · $366.00 proposed

  17. violation5213154
    Mountain Cement Company · 4800007

    56.4104(a) · S&S · $697.00 proposed

  18. violation5213153
    Mountain Cement Company · 4800007

    56.14107(a) · $209.00 proposed

  19. violation5211362
    Mountain Cement Company · 4800007

    56.16001 · $151.00 proposed

  20. inspectionF0345B8
    Mountain Cement Company · 4800007

    Regular Safety and Health Inspection · 119.5 on-site hours

  21. violation5213152
    Mountain Cement Company · 4800007

    56.20003(a) · $366.00 proposed

  22. violation5211361
    Mountain Cement Company · 4800007

    56.12004 · $151.00 proposed

  23. violation5211360
    Mountain Cement Company · 4800007

    56.12068 · $465.00 proposed

  24. violation5211359
    Mountain Cement Company · 4800007

    56.4130(b) · $465.00 proposed

  25. accident220262240013
    Mountain Cement Company · 4800007

    HANDLING OF MATERIALS · NO DYS AWY FRM WRK,NO RSTR ACT

    Accident narrative

    2 workers were installing grating/plates around the service platform at the Raw Mill area while wearing full personal protective equipment, including anti-impact gloves. After disconnecting the grating from the rigging, they tried to fit it in place by hand. One of the workers smashed EE's finger. They underestimated the weight of the grating pieces.

Safety sources and definitions

MSHA Violations (issue date), Accidents (accident date), and Inspections (begin date). Snapshot 2026-10-18.

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.

SELECTED PORTFOLIO

1 linked controller.

Relationships reflect the selected mine status and current MSHA controller/operator fields.