ALL STATUSES / OPERATOR PORTFOLIO

Heidelberg Materials US Cement LLC

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

MSHA OPERATOR IDL17551

MINE PORTFOLIO

15 of 15 mines and facilities

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

MineLocation / typeCoal · short tonsHours workedViolationsAccident recordsOn-site inspection hours
EVANSVILLE PLANT3600185 · Active6/8 quarters reportedBerks, PAFacility · MSHA: Cement0413,6585111212.0
Leeds Plant0100043 · Active6/8 quarters reportedJefferson, ALFacility · MSHA: Cement0381,013703225.8
Logansport Cement Plant1200065 · Active6/8 quarters reportedCass, INFacility · MSHA: Cement0324,803575236.5
Mason City Plant1300095 · Active6/8 quarters reportedCerro Gordo, IAFacility · MSHA: Cement0439,6492677486.5
Mitchell Plant1200063 · Active6/8 quarters reportedLawrence, INSurface · MSHA: Cement0599,503417362.8
Nazareth Plant I3600190 · Active6/8 quarters reportedNorthampton, PAFacility · MSHA: Cement0542,3911809534.0
Oley #23604849 · IntermittentBerks, PASurface · MSHA: Crushed, Broken Limestone NEC——003.5
UNION BRIDGE MD1800017 · Active6/8 quarters reportedCarroll, MDFacility · MSHA: Cement0518,335868324.3
Glens Falls Plant3000585 · AbandonedWarren, NYFacility · MSHA: Cement——00—
Glens Falls Quarry3000044 · AbandonedSaratoga, NYSurface · MSHA: Crushed, Broken Limestone NEC——00—
NEW WINDSOR MD1800733 · AbandonedCarroll, MDSurface · MSHA: Crushed, Broken Limestone NEC——00—
Oley No 1 Quarry3600186 · AbandonedBerks, PAFacility · MSHA: Cement——00—
Richmond NO 5 Quarry3604407 · AbandonedBerks, PASurface · MSHA: Crushed, Broken Limestone NEC——00—
Speed Cement Plant1200066 · AbandonedClark, INFacility · MSHA: Cement——00—
TILBURY QUARRY4500011 · AbandonedWhatcom, WASurface · MSHA: Construction Sand and Gravel——00—

LOCATION

Portfolio map

14 of 15 mines 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

752

165 significant & substantial (S&S)

  1. 2025 Q191
  2. 2025 Q2128
  3. 2025 Q339
  4. 2025 Q447
  5. 2026 Q1188
  6. 2026 Q250
  7. 2026 Q3200
  8. 2026 Q4 *9

Accident records

50

0 records classified as fatality

  1. 2025 Q112
  2. 2025 Q24
  3. 2025 Q33
  4. 2025 Q46
  5. 2026 Q18
  6. 2026 Q28
  7. 2026 Q39
  8. 2026 Q4 *0

Proposed penalties · USD

1,707,044.00

735 of 752 violations with amounts

  1. 2025 Q1156,964
  2. 2025 Q2258,728
  3. 2025 Q325,556
  4. 2025 Q495,419
  5. 2026 Q1417,884
  6. 2026 Q2214,374
  7. 2026 Q3538,119
  8. 2026 Q4 *—

On-site inspection hours

2,385.25

108 inspections · 108 with hours

  1. 2025 Q1215.50
  2. 2025 Q2461.75
  3. 2025 Q3145.25
  4. 2025 Q4232.25
  5. 2026 Q1512.50
  6. 2026 Q2280.75
  7. 2026 Q3522.25
  8. 2026 Q4 *15.00
Quarterly safety data
QuarterViolationsS&SProposed USDAccident recordsFatality recordsInspectionsOn-site hours
2025-Q19116156,964.0012011215.5
2025-Q212818258,728.004010461.8
2025-Q3391025,556.003011145.3
2025-Q4471095,419.006010232.3
2026-Q118849417,884.008021512.5
2026-Q25013214,374.008018280.8
2026-Q320048538,119.009026522.3
2026-Q4 *91—00115.0

Most cited CFR sections

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

Safety activity

  1. inspectionF014908
    Mason City Plant · 1300095

    Spot Inspection · 4.8 on-site hours

  2. violation9699716
    Mason City Plant · 1300095

    56.14130(g) · S&S · $465.00 proposed

  3. accident220250220036
    Nazareth Plant I · 3600190

    HANDLING OF MATERIALS · DAYS AWAY FROM WORK ONLY

    Accident narrative

    Employee got dust in is eye on 1-17-2025 and over the weekend the employee had medical treatment which changed the treatment process to a medical to a lost time incident.

  4. violation9548884
    Mitchell Plant · 1200063

    50.30(a) · $151.00 proposed

  5. violation9548883
    Mitchell Plant · 1200063

    50.30(a) · $151.00 proposed

  6. violation9548882
    Mitchell Plant · 1200063

    50.30(a) · $151.00 proposed

  7. violation9548881
    Mitchell Plant · 1200063

    50.30(a) · $151.00 proposed

  8. violation9548880
    Mitchell Plant · 1200063

    50.11(b)(2) · $151.00 proposed

  9. violation9548879
    Mitchell Plant · 1200063

    50.11(b) · $165.00 proposed

  10. accident220250240002
    UNION BRIDGE MD · 1800017

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

    Accident narrative

    Employee was working with a crew installing putlog beams in a vessel. Due to a miscommunication, the crew on opposite side of vessel pulled the beam while employees hand was in a pinch point and the top of the employees right pinky finger became pinched between a beam clamp and the vessel. Employee pulled finger out and noticed blood. Injury required stitches.

  11. inspectionF014905
    Mason City Plant · 1300095

    Compliance Follow-up Inspection · 1.8 on-site hours

  12. violation9548878
    Mitchell Plant · 1200063

    50.11(b)(2) · $151.00 proposed

  13. violation9548877
    Mitchell Plant · 1200063

    50.20(a) · $165.00 proposed

  14. inspectionF005FB5
    Mitchell Plant · 1200063

    Part 50 Audit · 16.3 on-site hours

  15. violation9699713
    Mason City Plant · 1300095

    56.12004 · $642.00 proposed

  16. violation9699712
    Mason City Plant · 1300095

    56.12004 · $1,431.00 proposed

  17. violation9699711
    Mason City Plant · 1300095

    56.4104(b) · $465.00 proposed

  18. violation9699710
    Mason City Plant · 1300095

    46.9(a) · $151.00 proposed

  19. violation9699709
    Mason City Plant · 1300095

    56.14132(a) · $2,936.00 proposed

  20. violation9699708
    Mason City Plant · 1300095

    56.14101(a)(2) · $883.00 proposed

  21. violation9699707
    Mason City Plant · 1300095

    56.14100(c) · $592.00 proposed

  22. violation9699706
    Mason City Plant · 1300095

    56.12004 · $883.00 proposed

  23. violation9699705
    Mason City Plant · 1300095

    56.9104 · $6,540.00 proposed

  24. violation9699704
    Mason City Plant · 1300095

    56.4201(a)(1) · $1,968.00 proposed

  25. violation9699703
    Mason City Plant · 1300095

    56.20011 · $592.00 proposed

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.