U.S. Silica Company, LLC safety activity
MSHA violations, accident reports and inspections across the current mine portfolio.
Safety activity
Impoundment Spot Inspection
Berkeley Plant · 46028050.0 on-site hours reported
Regular Safety and Health Inspection
Colado Mine · 26006727.0 on-site hours reported
Compliance Follow-up Inspection
COLUMBIA PLANT · 38001380.0 on-site hours reported
Compliance Follow-up Inspection
Mauricetown Plant · 28005261.5 on-site hours reported
Spot Inspection
Berkeley Plant · 46028056.0 on-site hours reported
Spot Inspection
Montpelier Plant · 440282913.3 on-site hours reported
Powered haulage
Ottawa Plant · 1101013Days restricted activity only
Accident narrative
The employee was troubleshooting a troughing roller on conveyor 7 when EE's hand got caught between the belt and roller. EE received 26 stitches.
Verbal Hazard Complaint Inspections
COLUMBIA PLANT · 38001382.3 on-site hours reported
Spot Inspection
COLUMBIA PLANT · 38001382.0 on-site hours reported
Housekeeping.
COLUMBIA PLANT · 380013830 CFR 56.20003(a) · Significant and substantial (S&S)
Housekeeping.
COLUMBIA PLANT · 380013830 CFR 56.20003(a)
Inspection and cover plates.
COLUMBIA PLANT · 380013830 CFR 56.12032
Construction and maintenance of guards.
COLUMBIA PLANT · 380013830 CFR 56.14112
Regular Safety and Health Inspection
FOWLKES MINE · 220046018.5 on-site hours reported
Construction and maintenance of ladders.
FOWLKES MINE · 220046030 CFR 56.11003 · $193.00 proposed penalty
Regular Safety and Health Inspection
Millen Plant · 09012327.8 on-site hours reported
Safety defects; examination, correction and records.
Mauricetown Plant · 280052630 CFR 56.14100(b) · Significant and substantial (S&S) · $883.00 proposed penalty
Safety defects; examination, correction and records.
Mauricetown Plant · 280052630 CFR 56.14100(b) · $177.00 proposed penalty
Construction and maintenance of guards.
Mauricetown Plant · 280052630 CFR 56.14112(a)(1) · $151.00 proposed penalty
Machinery, equipment, and tools.
Mauricetown Plant · 280052630 CFR 56.14205 · Significant and substantial (S&S) · $883.00 proposed penalty
Regular Safety and Health Inspection
Mauricetown Plant · 280052613.8 on-site hours reported
Special Emphasis Programs
Colado Plant · 26006800.8 on-site hours reported
Testing grounding systems.
Montpelier Plant · 440282930 CFR 56.12028 · $151.00 proposed penalty
Insulation and fittings for power wires and cables.
Montpelier Plant · 440282930 CFR 56.12008 · $592.00 proposed penalty
Regular Safety and Health Inspection
Montpelier Plant · 440282919.3 on-site hours reported
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.
Status is from the current MSHA Mines snapshot, not the selected reporting period. Closed records can retain their last reported controller/operator.
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.