Mining Incidents

Mining Incidents in Connecticut

Connecticut has 5 recorded mining fatalities on file with MSHA, across 1,225 reportable incidents (1986–2026).

Every reportable accident on file with MSHA at a Connecticut mine. Operators below are ranked by recorded fatality count in this state.

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Abandoned and historical mine features in Connecticut →

Fatalities recorded
5
Total incidents
1,225
Fatal rate
0.4%
Years on record
1986–2026

Year-over-year fatalities

  1. 1986 1
  2. 1995 1
  3. 1997 1
  4. 1999 1
  5. 2026 1

Top mines in Connecticut by fatality count

  1. 01 Canaan 1fatal
  2. 02 North Branford Quarry 1fatal
  3. 03 YORK HILL MINE & MILL 1fatal
  4. 04 HAYNES AGGREGATES - SEYMOUR LLC 1fatal
  5. 05 PRZEKOPSKI SAND & GRAVEL & FARM 1fatal

Mines in Connecticut by county

every county with a mine on MSHA's register; each county page lists its mines

County Mines Active Fatalities
New London County 82 5 1
New Haven County 81 9 3
Hartford County 73 4 0
Litchfield County 64 8 1
Windham County 61 12 0
Tolland County 49 4 0
Fairfield County 46 1 0
Middlesex County 20 0 0

Top operators by fatality count

  1. 01 Haynes Materials Company 1fatal
  2. 02 Przekopski Sand Gravel & Farm 1fatal
  3. 03 Specialty Minerals Inc 1fatal
  4. 04 The York Hill Trap Rock Quarry Company, Inc. 1fatal
  5. 05 Tilcon Connecticut Inc 1fatal

Recent fatalities

August 24, 2026 CT · Metal/Non-Metal driller, highwall operator, highwall drill operator Fatality · FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
Haynes Materials Company · Struck by falling object

situation still under investigation so far information gathered is startled worker tripped and broke spine, further information still being gathered.

November 11, 1999 CT · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Tilcon Connecticut Inc · Caught in, under or between a moving and a stationary object

EMPLOYEE HAD BACKED HIS VEHICLE UP TO THE BERM TO DUMP BUT DID NOT. AT SOME POINT SHORTLY AFTER AND FOR REASONS UNKNOWN THE EMPLOYEE EXITED HIS VEHICLE. HIS BODY WAS FOUND BY A CO-WORKER, HAVI NG BEEN RUN OVER BY THE TWO DRIVERS SIDE REAR TIRES.

July 16, 1997 CT · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey Fatality · EXPLOSIVES AND BREAKING AGENTS
The York Hill Trap Rock Quarry Company, Inc. · Fall to lower level, (Not Elsewhere Classified)

WHILE 2 EES WERE LOADING BOREHOLE, 1 CARTRIDGE OF EXPLOSIVE BECAME LODGED. WHILE TRYNG TO DEAL WITH THE LOADGED CARTRIDGE, IT DETONATED. THE DETONATION CAUSED SIGNIFICANT BODILY INJURY TO TWO EES. THE FORCE OF THE DETONATION CAUSED ONE EE TO GO OVER THE HIGHWALL; THIS EE DIED.

August 3, 1995 CT · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator Fatality · POWERED HAULAGE
Przekopski Sand Gravel & Farm · Caught in, under or between a moving and a stationary object

WORKER OPERATING FRONT END LOADER TO PLACE MATERIAL FOR A BERM NEXT TO AN OPEN PIT 12' DEEP, GOT TOO CLOSE AND THE PIT WALL COLLAPSED OVERTURNING THE LOADER AND KILLING THE OPERATOR.

January 29, 1986 CT · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator Fatality · POWERED HAULAGE

EE WAS DRIVING 0RONT END LOADER INTO QUARRY WHEN HE APPARENTLY LOST CONTROL OF VEHICLE & DROVE INTO WATER HOLE ON 1ST LEVEL OF QUARRY.

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