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Mason City Plant safety activity

MSHA violations, accident reports and inspections.

2025-01-01 – 2026-10-31Database snapshot · 2026-10-31

Safety activity

  1. Spillage and leakage.

    violationRecord 5114097

    30 CFR 56.4102 · $2,503.00 proposed penalty

  2. Safety defects; examination, correction and records.

    violationRecord 5114096

    30 CFR 56.14100(a) · $883.00 proposed penalty

  3. Moving machine parts.

    violationRecord 5114095

    30 CFR 56.14107(a) · $2,712.00 proposed penalty

  4. Temporary, portable containers.

    violationRecord 5114094

    30 CFR 47.44(b) · $592.00 proposed penalty

  5. Electrical conductors.

    violationRecord 9697739

    30 CFR 56.12004 · $1,037.00 proposed penalty

  6. Inspection and cover plates.

    violationRecord 9697738

    30 CFR 56.12032 · $755.00 proposed penalty

  7. Construction and maintenance of guards.

    violationRecord 9697737

    30 CFR 56.14112(b) · $2,936.00 proposed penalty

  8. Housekeeping.

    violationRecord 9697736

    30 CFR 56.20003(a) · Significant and substantial (S&S) · $11,450.00 proposed penalty

  9. Electrical conductors.

    violationRecord 9697735

    30 CFR 56.12004 · $1,037.00 proposed penalty

  10. Waste receptacles.

    violationRecord 9697734

    30 CFR 56.20013 · $592.00 proposed penalty

  11. Inspection.

    violationRecord 9697733

    30 CFR 56.4201(a)(2) · $1,968.00 proposed penalty

  12. Construction and maintenance of guards.

    violationRecord 9697732

    30 CFR 56.14112(b) · $1,968.00 proposed penalty

  13. Electrical conductors.

    violationRecord 5114418

    30 CFR 56.12004 · $1,037.00 proposed penalty

  14. Safety belts and lines.

    violationRecord 5114417

    30 CFR 56.15005 · Significant and substantial (S&S) · $2,936.00 proposed penalty

  15. Spillage and leakage.

    violationRecord 5114416

    30 CFR 56.4102 · $8,315.00 proposed penalty

  16. Spillage and leakage.

    violationRecord 5114415

    30 CFR 56.4102 · $2,503.00 proposed penalty

  17. Construction and maintenance of guards.

    violationRecord 5114414

    30 CFR 56.14112(a)(1) · $267.00 proposed penalty

  18. Requirement for container labels.

    violationRecord 5114413

    30 CFR 47.41(a) · $267.00 proposed penalty

  19. Housekeeping.

    violationRecord 5114412

    30 CFR 56.20003(a) · $1,037.00 proposed penalty

  20. Inspection.

    violationRecord 5114411

    30 CFR 56.4201(b) · $3,184.00 proposed penalty

  21. Safety defects; examination, correction and records.

    violationRecord 5113392

    30 CFR 56.14100(c) · $2,133.00 proposed penalty

  22. Roll-over protective structures (ROPS) and seat belts.

    violationRecord 5113391

    30 CFR 56.14130(g) · Significant and substantial (S&S) · $2,936.00 proposed penalty

  23. Insulation and fittings for power wires and cables.

    violationRecord 5113390

    30 CFR 56.12008 · $1,968.00 proposed penalty

  24. Electrical conductors.

    violationRecord 5113389

    30 CFR 56.12004 · $2,312.00 proposed penalty

  25. Electrical conductors.

    violationRecord 5113388

    30 CFR 56.12004 · $7,676.00 proposed penalty

Sources and definitions

MSHA Violations (issue date), Accidents (accident date) and Inspections (begin date).

Violation titles use current CFR headings to identify the cited rule; they are not the inspector’s account of what happened.

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.