ALL STATUSES / OPERATOR PORTFOLIO

Dolomite Group

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

MSHA OPERATOR IDL17589

MINE PORTFOLIO

14 of 14 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
Bath Plant3000214 · Active6/8 quarters reportedSteuben, NYSurface · MSHA: Crushed, Broken Limestone NEC016,6211032.5
BROCKPORT PLANT3000022 · Active6/8 quarters reportedMonroe, NYSurface · MSHA: Crushed, Broken Limestone NEC025,8891134.3
Howard Plant3002754 · Active6/8 quarters reportedSteuben, NYSurface · MSHA: Construction Sand and Gravel020,7921019.8
Knight Settlement Sand & Gravel LLC3001289 · Intermittent6/8 quarters reportedSteuben, NYSurface · MSHA: Construction Sand and Gravel024,5662014.3
Leroy Plant3000032 · Active6/8 quarters reportedGenesee, NYSurface · MSHA: Crushed, Broken Limestone NEC042,8100033.3
MANCHESTER PLANT3001254 · Active6/8 quarters reportedOntario, NYSurface · MSHA: Crushed, Broken Limestone NEC040,5879044.5
Ogden Plant3001141 · Intermittent6/8 quarters reportedMonroe, NYSurface · MSHA: Crushed, Broken Limestone NEC019,9833130.3
PALMYRA PLANT3003840 · Active6/8 quarters reportedWayne, NYSurface · MSHA: Sand, Common029,0251126.0
PENFIELD PLANT3000033 · Active6/8 quarters reportedMonroe, NYSurface · MSHA: Crushed, Broken Limestone NEC045,3097262.8
Walworth Plant3000035 · Active6/8 quarters reportedWayne, NYSurface · MSHA: Crushed, Broken Limestone NEC065,4807050.0
Gates Plant3000034 · AbandonedMonroe, NYSurface · MSHA: Crushed, Broken Limestone NEC——00—
LEROY - CIRCULAR HILL3002800 · AbandonedGenesee, NYSurface · MSHA: Crushed, Broken Limestone NEC——00—
Newark Plant3001130 · AbandonedWayne, NYSurface · MSHA: Construction Sand and Gravel——00—
REDMAN PLANT3000857 · AbandonedMonroe, NYSurface · MSHA: Construction Sand and Gravel——00—

LOCATION

Portfolio map

14 of 14 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

32

4 significant & substantial (S&S)

  1. 2025 Q16
  2. 2025 Q25
  3. 2025 Q38
  4. 2025 Q40
  5. 2026 Q11
  6. 2026 Q24
  7. 2026 Q36
  8. 2026 Q4 *2

Accident records

5

0 records classified as fatality

  1. 2025 Q10
  2. 2025 Q21
  3. 2025 Q31
  4. 2025 Q40
  5. 2026 Q11
  6. 2026 Q21
  7. 2026 Q31
  8. 2026 Q4 *0

Proposed penalties · USD

6,312.00

29 of 32 violations with amounts

  1. 2025 Q1906
  2. 2025 Q2813
  3. 2025 Q33,083
  4. 2025 Q4—
  5. 2026 Q1151
  6. 2026 Q2604
  7. 2026 Q3755
  8. 2026 Q4 *—

On-site inspection hours

347.50

43 inspections · 43 with hours

  1. 2025 Q124.75
  2. 2025 Q283.00
  3. 2025 Q331.50
  4. 2025 Q427.50
  5. 2026 Q138.00
  6. 2026 Q258.50
  7. 2026 Q366.00
  8. 2026 Q4 *18.25
Quarterly safety data
QuarterViolationsS&SProposed USDAccident recordsFatality recordsInspectionsOn-site hours
2025-Q161906.0000424.8
2025-Q250813.0010883.0
2025-Q3823,083.0010431.5
2025-Q400—00427.5
2026-Q110151.0010638.0
2026-Q240604.0010858.5
2026-Q361755.0010766.0
2026-Q4 *20—00218.3

Most cited CFR sections

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

Safety activity

  1. inspectionF02CE45
    Leroy Plant · 3000032

    Regular Safety and Health Inspection · 14.5 on-site hours

  2. inspectionF032284
    MANCHESTER PLANT · 3001254

    Regular Safety and Health Inspection · 9.5 on-site hours

  3. violation5078023
    MANCHESTER PLANT · 3001254

    56.14101(a)(2) · $151.00 proposed

  4. inspectionF032280
    PENFIELD PLANT · 3000033

    Compliance Follow-up Inspection · 3.5 on-site hours

  5. violation5078017
    Bath Plant · 3000214

    56.14100(b) · $151.00 proposed

  6. inspectionF03227F
    Bath Plant · 3000214

    Regular Safety and Health Inspection · 6.8 on-site hours

  7. inspectionF03BFA1
    Walworth Plant · 3000035

    Regular Safety and Health Inspection · 5.3 on-site hours

  8. inspectionF02B1DE
    MANCHESTER PLANT · 3001254

    Regular Safety and Health Inspection · 4.0 on-site hours

  9. inspectionF02CE34
    Leroy Plant · 3000032

    Regular Safety and Health Inspection · 3.0 on-site hours

  10. violation5075250
    PENFIELD PLANT · 3000033

    47.41(a) · $151.00 proposed

  11. inspectionF03587F
    PENFIELD PLANT · 3000033

    Regular Safety and Health Inspection · 9.5 on-site hours

  12. inspectionF02BD21
    BROCKPORT PLANT · 3000022

    Regular Safety and Health Inspection · 9.8 on-site hours

  13. inspectionF02BD20
    PALMYRA PLANT · 3003840

    Regular Safety and Health Inspection · 6.5 on-site hours

  14. accident220260300030
    PENFIELD PLANT · 3000033

    MACHINERY · DAYS AWAY FROM WORK ONLY

    Accident narrative

    EE was using a cordless impact to undo bolts on the CR1 flywheel. EE positioned a hand behind the sheave, between the crusher frame and the nut to hold the nut when it broke free. When the bolt broke loose, the nut followed the threads, moving backward and pinching the employees finger between the nut and the frame. EE was brought to get X-rays where a fracture was discovered.

  15. inspectionF032261
    Bath Plant · 3000214

    Regular Safety and Health Inspection · 8.0 on-site hours

  16. inspectionF02BD0E
    Howard Plant · 3002754

    Regular Safety and Health Inspection · 5.5 on-site hours

  17. inspectionF02BD0A
    Knight Settlement Sand & Gravel LLC · 3001289

    Regular Safety and Health Inspection · 6.0 on-site hours

  18. inspectionF017AB4
    Ogden Plant · 3001141

    Regular Safety and Health Inspection · 8.0 on-site hours

  19. inspectionF0264B6
    Walworth Plant · 3000035

    Compliance Follow-up Inspection · 1.8 on-site hours

  20. violation5073443
    PENFIELD PLANT · 3000033

    56.6306(e) · S&S · $1,126.00 proposed

  21. violation5073442
    PENFIELD PLANT · 3000033

    56.6306(e) · S&S · $959.00 proposed

  22. accident220252680014
    PENFIELD PLANT · 3000033

    EXPLOSIVES AND BREAKING AGENTS · ACCIDENT ONLY

    Accident narrative

    Hilltop Energy Inc had a Flyrock incident that struck a parked vehicle when 4 rocks where collected from a local Park area. No injuries occurred and MSHA was called and on scene.

  23. inspectionF01EDED
    PENFIELD PLANT · 3000033

    Spot Inspection · 9.5 on-site hours

  24. inspectionF0264B0
    Walworth Plant · 3000035

    Compliance Follow-up Inspection · 1.8 on-site hours

  25. violation5071793
    Walworth Plant · 3000035

    56.12018 · $151.00 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.