Rochester Mine — Accidents

Total: 150 accidents | Fatalities: 0

Date Classification Injury Days Lost Narrative
01/31/2026 HANDLING OF MATERIALS PERM TOT OR PERM PRTL DISABLTY None EE sustained a partial amputation at the distal portion of the left middle finger-(middle of the nail bed) when the finger was caught between two pieces of metal grating. Injury involved loss of tissu...
12/04/2025 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None A mechanic was cleaning dirt from an oil drain plug using a screwdriver when a piece of debris dropped into their eye, resulting in material becoming embedded. The employee was immediately taken for m...
11/17/2025 OTHER INJURIES DUE TO NATURAL CAUSES None An employee experienced a sudden and severe cardiac event while at work. Coworkers immediately called for help and initiated emergency response procedures. Despite rapid assistance from onsite respond...
10/18/2025 POWERED HAULAGE DAYS AWAY FROM WORK ONLY None A haul truck was backing into the crusher dump pocket and did not notice a loader already in the dump pocket. The truck's rear tire came into contact with the rear of the loader, jarring the operator...
09/18/2025 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 1d lost An employee became ill after experiencing irritation from ammonia event. The employee was evaluated and was unable to return to work the following day.
08/29/2025 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 8d restricted While walking down the haul truck stairs, the operator tripped and fell, resulting in a laceration to the knee.
08/20/2025 HANDTOOLS (NONPOWERED) DAYS RESTRICTED ACTIVITY ONLY 26d restricted While setting up a drill rig at a new location, a Driller struck the tip of left thumb with a hammer they were using to install a 4""x4"" piece of wood to the wood deck to help keep the drill on align...
08/13/2025 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 41d restricted A Fixed Maintenance employee assisting with re-installation of a return roller for a conveyor belt. While lifting roller back into position, the supporting bracket weighing 7lbs - 10lbs slipped out of...
07/26/2025 MACHINERY ACCIDENT ONLY None Parked/unattended CAT D10 dozer was positioned on the coarse ore stockpile. The material beneath and around the dozer gave way, causing the machine to slide down into the coarse ore stockpile feeder a...
02/04/2025 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 9d restricted EE was attempting to remove a drill bit from a drill basket when it became jammed. When the bit finally came loose, it struck the employee's right index finger, resulting in a chipped fracture and lac...
12/08/2024 HANDTOOLS (NONPOWERED) DAYS AWAY FROM WORK ONLY 136d lost EE was attempting to remove a fuel filter from the 789 CAT haul truck when, using exertion, the filter broke loose. This sudden movement caused pain in the employee's right shoulder. An MRI was perfor...
11/21/2024 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None As Contractor security officer was walking down handicapped ramp, they stepped off the bottom of the metal ramp onto the gravel and rolled their ankle and fell back onto their tailbone.
10/12/2024 POWERED HAULAGE DAYS AWAY FROM WORK ONLY 2d lost EE was pulling under the lime silo at the final loadout. When the operator pulled under the lime silo, the front of the truck bed contacted the dispensing sock creating a cloud of lime in the air. Th...
09/22/2024 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 204d lost EE was working near a conveyor belt when they tripped over their own feet which resulted in a fall towards the conveyor belt. During the fall, the EE's right arm made contact with the belt and went be...
02/09/2024 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 84d lost, 45d restricted While employee was walking from work area, they observed that the area needed to access had icy ground conditions. In an attempt to navigate through the ice, employee proceeded to shuffle slowly. Empl...
01/23/2024 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 244d lost Injured EE without Fall Protection and the knowledge of the crew members, moved to the second deck and fell through an open hole used to lift items to the second deck. Fell to the ground with damage t...
01/17/2024 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 114d lost A haul truck driver, was standing on the emergency ladder platform located on the lower deck of a haul truck. EE was attempting to reach the air filter when they lost footing and fell approximately 4...
12/24/2023 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None An EE was assisting a welding with grinding operations on equipment. Shortly after the work was conducted, the employee experienced irritation in the right eye. EE was seen in a clinic and it was dete...
11/14/2023 ELECTRICAL DYS AWY FRM WRK & RESTRCTD ACT 8d lost, 8d restricted Employee was working on electrical line that EE believed to be dead and grounded. EE came into contact with a live electrical line and received a shock. Exam from the hospital found no heart damage...
09/20/2023 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 84d lost an EE was stepping off a loader and accidentally stepped on a rock, causing them to fall backward and land on their back, resulting in an injury to their right shoulder.
08/07/2023 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None An employee was moving a fire hose cabinet from a skip pan. Skip pan was also loaded with uni strut frames at the time. The employee did not see a unit strut frame leaning on and behind the cabinet. W...
07/28/2023 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None The employee was in the process of removing a stuffing box from a vertical pump. The employee lost the grip with the right hand and tried to grab it as it was falling. The stuffing box flange crushed...
06/21/2023 HANDLING OF MATERIALS PERM TOT OR PERM PRTL DISABLTY None Employee was pulling wire. Employee overexerted self resulting in a hernia.
06/11/2023 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 9d lost, 72d restricted Employee was working in the drill Conex, placing drill bits into the designated bin. After task was completed, employee noticed some discomfort in EE's abdominal area. After seeking medical evaluati...
04/04/2023 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 240d restricted While miner was entering light vehicle, miner's right foot slipped on running causing miner to fall down backwards. Miner landed on left leg causing injury to the left knee.
03/14/2023 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None Employee was using a Grinder to cut flat stock backing strip, had both hands on the grinder when the grinder kicked back and EE's left hand slipped and cut EE's left index finger. Strip was on the gr...
02/14/2023 OTHER INJURIES DUE TO NATURAL CAUSES 1d lost Employee was not feeling well and was experiencing chest pain. Employee was transferred to the local hospital. It was determined that the employee suffered a myocardial infarction.
02/13/2023 OTHER DAYS RESTRICTED ACTIVITY ONLY 12d restricted Employee was walking up an access ramp for a construction excavation when they felt a stinging sensation in their leg.
12/31/2022 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 4d restricted Employee slipped and fell while pulling out fuel hose to fill up a generator landing on EE's right thumb/hand.
04/11/2022 OTHER NO DYS AWY FRM WRK,NO RSTR ACT None Leaving site due to poor weather. Complaint of dust in Left Eye during Inclement weather, High winds, Dust, Snow. Eye flushed. Went into doctor on EE's own and was prescribed a prescription.
02/14/2022 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None Employee was setting the brake on machine, the holding clamp was in the upright position. The Cutter head moved into the open clamp causing the clamp to fall striking employee's right hand on the mid...
01/11/2022 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 180d lost Employee was attempting to break a plug loose on a final differential on the 692 excavator, when the plug broke loose the employee felt a sharp pain in the right shoulder.
10/15/2021 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 12d lost, 13d restricted A miner operating a 472 haul truck (CAT 789 model) was exiting the cab, the operator's heel hooked on the door seal causing EE to fall backwards, hitting left elbow and forearm on radiator. EE was tak...
10/12/2021 DISORDERS (REPEATED TRAUMA) OCCUPATNAL ILLNESS NOT DEG 1-6 11d restricted Employee was performing a routine clean up task and started experiencing pain in right elbow. After a few months the employee was still experiencing pain. At that time we decided to take the employee...
07/15/2021 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None Loose gravel on wash out platform contributed to poor footing.
06/30/2021 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 9d restricted While trying to reposition haul truck drive shaft, the shaft slipped, pinching the finger between shaft and yoke on the transmission.
04/06/2021 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None Employees had rigged up four (4) Liners with separate rigging to hoist out of the hopper. One of the liners came taut with the crane earlier than the others which rotated the liner that hit the employ...
10/11/2020 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None EE was attempting to loosen brake cartridge with a wrench. When the cartridge broke loose, EE's hand contacted adjacent metal manifold causing a laceration. EE received 5 stitches.
09/18/2020 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 97d restricted Employee was attempting to push 24"" pulley onto forklift when it rolled backwards towards EE and EE was caught between that pulley and another one directly behind EE.
08/11/2020 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None Mechanic was doing a PM on a 1500 haul truck and was on the top deck. The heel of the mechanic's boot caught the expanded metal when the mechanic was moving backwards. The mechanic fell back hitting h...
01/20/2020 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 14d lost, 197d restricted A mobile maintenance PM mechanic was walking on a concrete wash pad with a hose in hand when they slipped, landing on their right elbow and straining the right shoulder.
12/11/2019 STEPPING OR KNEELING ON OBJECT DAYS RESTRICTED ACTIVITY ONLY 48d restricted Employee stepped on a piece of rubber on the ground and tripped.
07/02/2019 STEPPING OR KNEELING ON OBJECT DYS AWY FRM WRK & RESTRCTD ACT 104d lost, 20d restricted On 7/2/2019 employee twisted ankle while working on leach pad. Minor first aid was given. On 8/21/2019, employee sought medical treatment for a personal issue, upon x-ray found fracture in EE's foot.
04/03/2019 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 28d lost, 112d restricted Mobile maintenance lube tech was servicing equipment on a drill pattern when EE tripped over a large rock. When the employee tripped, EE landed precariously on EE's ankle, fracturing the left ankle.
03/01/2019 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 5d restricted Employee slipped and jarred hip.
06/25/2018 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 130d restricted During rescue training a team member was pulling on a rope hooked to a basket. When ee felt pain in shoulder. EE didn't want to see a doctor at that time. In August shoulder was still sore ee was see...
12/15/2017 POWERED HAULAGE DAYS RESTRICTED ACTIVITY ONLY 32d restricted The employee was performing general labor near a conveyor structure. The employee's left hand was on the structure. The employee's left hand slipped and was pinched between the conveyor belt and rolle...
10/27/2017 FIRE ACCIDENT ONLY None At the west stock pile, 993K loader engine compartment caught fire which was eventually then fully engulfed the engine and cab of the loader. A mayday was called, mine rescue team was initiated. Addi...
10/04/2017 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 3d restricted Employee was shoveling rock and dirt under the crusher conveyor guard when they heard a pop in their wrist. Employee continued to work the remainder of the shift as well as the next shift.
06/16/2017 STEPPING OR KNEELING ON OBJECT DAYS RESTRICTED ACTIVITY ONLY 4d restricted Subject stepped out of work trailer onto a loose rock causing the right ankle to roll. Ankle went right, body continued forward resulting in a sprain of the ankle.