Fort Calhoun Underground Mine has $142K in proposed MSHA penalties and $1K outstanding across 7 contested dockets, plus health sampling and the full incident record.
Email me when a new MSHA incident is filed at Fort Calhoun Underground Mine.
| Docket | Decision | Judge | Year | Proposed / upheld |
|---|---|---|---|---|
| CENT 2021-0065 | Settlement | Manning | 2021 | $16K → $5K |
| CENT 2024-0179 | Settlement | Simonton | 2024 | $12K → $7K |
| CENT 2024-0049 | Settlement | Manning | 2024 | $9K → $4K |
| CENT 2018-0411 | Withdrawal | Manning | 2018 | $2K → $1K |
| CENT 2024-0231 | Settlement | Paez | 2025 | $2K → $2K |
| CENT 2018-0319 | Settlement | Manning | 2018 | $561 → $325 |
| Date | Contaminant | Concentration | Limit | Conc / limit | Occupation |
|---|---|---|---|---|---|
| 2024-07-24 | TC @ 160 | 169 | 160 | 1.06 | Blaster, Powder Gang |
| 2025-06-10 | ORGANIC CARBON | 0 | Blaster, Powder Gang | ||
| 2025-06-10 | EC @ 160 | 96 | 160 | 0.60 | Blaster, Powder Gang |
| 2025-06-10 | TC from EC @ 160 | 0 | 160 | 0.00 | Blaster, Powder Gang |
| 2025-06-10 | ORGANIC CARBON | 55 | Blaster, Powder Gang | ||
| 2025-06-10 | EC @ 160 | 78 | 160 | 0.49 | Blaster, Powder Gang |
| 2025-06-10 | TC @ 160 | 156 | 160 | 0.98 | Blaster, Powder Gang |
| 2025-06-10 | EC @ 160 | 101 | 160 | 0.63 | Blaster, Powder Gang |
| 2025-06-10 | TC from EC @ 160 | 0 | 160 | 0.00 | Blaster, Powder Gang |
| 2025-06-10 | TC @ 160 | 155 | 160 | 0.97 | Blaster, Powder Gang |
| 2025-06-10 | ORGANIC CARBON | 59 | Blaster, Powder Gang | ||
| 2025-06-10 | TC from EC @ 160 | 0 | 160 | 0.00 | Blaster, Powder Gang |
| 2025-06-10 | TC @ 160 | 112 | 160 | 0.70 | Blaster, Powder Gang |
| 2025-03-12 | Unlisted Particulate, respirable, <1% Qtz | 1.11 | Truck Driver | ||
| 2025-03-12 | Quartz, respirable, >1% Qtz | 0.29 | Utility Man | ||
| 2024-11-07 | Quartz, respirable, >1% Qtz | 0.85 | 2.13 | 0.40 | Crusher Oper/Worker |
| 2024-11-07 | Quartz, respirable, >1% Qtz | 0.32 | Crusher Oper/Worker | ||
| 2024-11-07 | Respirable dust, <.1mg | 0 | Front-end Loader Operator | ||
| 2024-11-07 | Quartz, respirable, >1% Qtz | 0.37 | Roof Bolter, Rock | ||
| 2024-11-07 | Nuisance dust, respirable, <1% Qtz | 0.51 | 10 | 0.05 | Wagon Drill Operator |
| 2024-07-24 | EC @ 160 | 0 | 160 | 0.00 | Front-end Loader Operator |
| 2024-07-24 | ORGANIC CARBON | 0 | Scaling (mechanical) | ||
| 2024-07-24 | TC @ 160 | 53 | 160 | 0.33 | Scaling (mechanical) |
| 2024-07-24 | EC @ 160 | 0 | 160 | 0.00 | Scaling (mechanical) |
| 2024-07-24 | TC from EC @ 160 | 0 | 160 | 0.00 | Scaling (mechanical) |
| 2024-07-24 | ORGANIC CARBON | 0 | Roof Bolter, Rock | ||
| 2024-07-24 | TC @ 160 | 76 | 160 | 0.48 | Roof Bolter, Rock |
| 2024-07-24 | EC @ 160 | 54 | 160 | 0.34 | Roof Bolter, Rock |
| 2024-07-24 | TC from EC @ 160 | 0 | 160 | 0.00 | Roof Bolter, Rock |
| 2024-07-24 | ORGANIC CARBON | 38 | Blaster, Powder Gang | ||
| 2024-07-24 | TC @ 160 | 116 | 160 | 0.73 | Blaster, Powder Gang |
| 2024-07-24 | EC @ 160 | 79 | 160 | 0.49 | Blaster, Powder Gang |
| 2024-07-24 | TC from EC @ 160 | 0 | 160 | 0.00 | Blaster, Powder Gang |
| 2024-07-24 | ORGANIC CARBON | 58 | Blaster, Powder Gang | ||
| 2024-07-24 | EC @ 160 | 111 | 160 | 0.69 | Blaster, Powder Gang |
| 2024-07-24 | TC from EC @ 160 | 0 | 160 | 0.00 | Blaster, Powder Gang |
| 2024-07-24 | ORGANIC CARBON | 0 | Front-end Loader Operator | ||
| 2024-07-24 | TC @ 160 | 0 | 160 | 0.00 | Front-end Loader Operator |
| 2024-07-24 | TC from EC @ 160 | 0 | 160 | 0.00 | Front-end Loader Operator |
| 2024-07-24 | Respirable dust, <.1mg | 0 | Crusher Oper/Worker | ||
| 2024-07-24 | Quartz, respirable, >1% Qtz | 0.22 | Mechanic | ||
| 2024-07-24 | Respirable dust, <.1mg | 0 | Front-end Loader Operator | ||
| 2024-07-24 | Respirable dust, <.1mg | 0 | Utility Man | ||
| 2024-06-12 | Nuisance dust, respirable, <1% Qtz | 0.76 | 10 | 0.08 | Mechanic |
| 2024-06-12 | ORGANIC CARBON | 0 | Front-end Loader Operator | ||
| 2024-06-12 | TC @ 160 | 0 | 160 | 0.00 | Front-end Loader Operator |
| 2024-06-12 | EC @ 160 | 0 | 160 | 0.00 | Front-end Loader Operator |
| 2024-06-12 | TC from EC @ 160 | 0 | 160 | 0.00 | Front-end Loader Operator |
| 2024-06-12 | ORGANIC CARBON | 0 | Scaling (mechanical) | ||
| 2024-06-12 | TC @ 160 | 0 | 160 | 0.00 | Scaling (mechanical) |
| 2024-06-12 | EC @ 160 | 0 | 160 | 0.00 | Scaling (mechanical) |
| 2024-06-12 | TC from EC @ 160 | 0 | 160 | 0.00 | Scaling (mechanical) |
| 2024-06-12 | ORGANIC CARBON | 0 | Roof Bolter, Rock | ||
| 2024-06-12 | TC @ 160 | 0 | 160 | 0.00 | Roof Bolter, Rock |
| 2024-06-12 | EC @ 160 | 0 | 160 | 0.00 | Roof Bolter, Rock |
| 2024-06-12 | TC from EC @ 160 | 0 | 160 | 0.00 | Roof Bolter, Rock |
| 2024-06-12 | ORGANIC CARBON | 0 | Drill Operator, Rotary | ||
| 2024-06-12 | TC @ 160 | 0 | 160 | 0.00 | Drill Operator, Rotary |
| 2024-06-12 | Respirable dust, <.1mg | 0 | Cleanup Man | ||
| 2024-06-12 | EC @ 160 | 0 | 160 | 0.00 | Drill Operator, Rotary |
| 2024-06-12 | TC from EC @ 160 | 0 | 160 | 0.00 | Drill Operator, Rotary |
| 2024-06-12 | Nuisance dust, respirable, <1% Qtz | 0.32 | 10 | 0.03 | Crusher Oper/Worker |
| 2024-06-12 | Respirable dust, <.1mg | 0 | Truck Driver | ||
| 2022-11-15 | EC @ 160 | 0 | 160 | 0.00 | Scaling (mechanical) |
| 2022-11-15 | TC from EC @ 160 | 0 | 160 | 0.00 | Shotcrete/Gunite Man |
| 2022-11-15 | EC @ 160 | 0 | 160 | 0.00 | Shotcrete/Gunite Man |
| 2022-11-15 | TC @ 160 | 78 | 160 | 0.49 | Shotcrete/Gunite Man |
| 2022-11-15 | ORGANIC CARBON | 53 | Shotcrete/Gunite Man | ||
| 2022-11-15 | TC from EC @ 160 | 0 | 160 | 0.00 | Roof Bolter, Rock |
| 2022-11-15 | EC @ 160 | 0 | 160 | 0.00 | Roof Bolter, Rock |
| 2022-11-15 | TC @ 160 | 0 | 160 | 0.00 | Roof Bolter, Rock |
| 2022-11-15 | ORGANIC CARBON | 0 | Roof Bolter, Rock | ||
| 2022-11-15 | TC from EC @ 160 | 0 | 160 | 0.00 | Scaling (mechanical) |
| 2022-11-15 | TC @ 160 | 0 | 160 | 0.00 | Scaling (mechanical) |
| 2022-11-15 | ORGANIC CARBON | 0 | Scaling (mechanical) | ||
| 2022-11-15 | TC from EC @ 160 | 0 | 160 | 0.00 | Drill Operator, Rotary |
| 2022-11-15 | EC @ 160 | 0 | 160 | 0.00 | Drill Operator, Rotary |
| 2022-11-15 | TC @ 160 | 0 | 160 | 0.00 | Drill Operator, Rotary |
| 2022-11-15 | ORGANIC CARBON | 0 | Drill Operator, Rotary | ||
| 2022-08-17 | Quartz, respirable, >1% Qtz | 0.2 | Cleanup Man | ||
| 2022-08-17 | Quartz, respirable, >1% Qtz | 0.28 | Truck Driver | ||
| 2022-08-17 | Respirable dust, <.1mg | 0 | Front-end Loader Operator | ||
| 2022-01-04 | EC @ 160 | 0 | 160 | 0.00 | Blaster, Powder Gang |
| 2022-01-04 | TC from EC @ 160 | 0 | 160 | 0.00 | Blaster, Powder Gang |
| 2022-01-04 | ORGANIC CARBON | 0 | Front-end Loader Operator | ||
| 2022-01-04 | TC @ 160 | 0 | 160 | 0.00 | Front-end Loader Operator |
| 2022-01-04 | EC @ 160 | 0 | 160 | 0.00 | Front-end Loader Operator |
| 2022-01-04 | TC from EC @ 160 | 0 | 160 | 0.00 | Front-end Loader Operator |
| 2022-01-04 | ORGANIC CARBON | 52 | Crusher Oper/Worker | ||
| 2022-01-04 | TC @ 160 | 102 | 160 | 0.64 | Crusher Oper/Worker |
| 2022-01-04 | EC @ 160 | 50 | 160 | 0.31 | Crusher Oper/Worker |
| 2022-01-04 | TC from EC @ 160 | 0 | 160 | 0.00 | Crusher Oper/Worker |
| 2022-01-04 | EC @ 160 | 53 | 160 | 0.33 | Blaster, Powder Gang |
| 2022-01-04 | ORGANIC CARBON | 0 | Blaster, Powder Gang | ||
| 2022-01-04 | TC @ 160 | 0 | 160 | 0.00 | Blaster, Powder Gang |
| 2022-01-04 | ORGANIC CARBON | 0 | Blaster, Powder Gang | ||
| 2022-01-04 | TC @ 160 | 73 | 160 | 0.46 | Blaster, Powder Gang |
| 2022-01-04 | TC from EC @ 160 | 0 | 160 | 0.00 | Blaster, Powder Gang |
| 2021-10-14 | TC from EC @ 160 | 0 | 160 | 0.00 | Drill Operator, Rotary |
| 2021-10-14 | ORGANIC CARBON | 0 | Front-end Loader Operator |
| Date | Contaminant | Concentration | Limit | Conc / limit | Area sampled |
|---|---|---|---|---|---|
| 2025-06-10 | TC @ 160 | 103 | UG TRAVEL/HAULAGE | ||
| 2025-06-10 | EC @ 160 | 78 | UG TRAVEL/HAULAGE | ||
| 2024-07-24 | TC @ 160 | 0 | UG GENERAL | ||
| 2024-07-24 | EC @ 160 | 0 | UG GENERAL | ||
| 2024-06-12 | EC @ 160 | 0 | UG ACTIVE MINING | ||
| 2024-06-12 | TC @ 160 | 0 | UG ACTIVE MINING | ||
| 2022-11-15 | TC @ 160 | 84 | UG TRAVEL/HAULAGE | ||
| 2022-11-15 | EC @ 160 | 47 | UG TRAVEL/HAULAGE | ||
| 2022-01-04 | EC @ 160 | 0 | UG TRAVEL/HAULAGE | ||
| 2022-01-04 | TC from EC @ 160 | 0 | UG TRAVEL/HAULAGE | ||
| 2021-10-14 | TC from EC @ 160 | 0 | UG TRAVEL/HAULAGE | ||
| 2021-10-14 | EC @ 160 | 0 | UG ACTIVE MINING | ||
| 2021-10-14 | TC from EC @ 160 | 0 | UG ACTIVE MINING | ||
| 2021-10-14 | EC @ 160 | 0 | UG TRAVEL/HAULAGE |
| Year | total case rate | days-away | fatal |
|---|---|---|---|
| 2025 | 2.09 | 0.00 | 0.000 |
| 2024 | 0.87 | 0.00 | 0.000 |
| 2023 | 0.94 | 0.94 | 0.000 |
| 2022 | 0.00 | 0.00 | 0.000 |
| 2021 | 0.91 | 0.00 | 0.000 |
| 2020 | 0.95 | 0.00 | 0.000 |
| 2019 * | 0.00 | 0.00 | 0.000 |
| Year | Employees |
|---|---|
| 2026 | 81 |
| 2025 | 91 |
| 2024 | 95 |
| 2023 | 87 |
| 2022 | 90 |
| 2021 | 93 |
| 2020 | 80 |
| 2019 | 25 |
| 2018 | 3 |
| 2017 | 5 |
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2026 Q2 | 48,677 | 5 | 0 | 102.7 |
| 2026 Q1 | 49,386 | 3 | 0 | 60.7 |
| 2025 Q4 | 42,115 | 4 | 0 | 95.0 |
| 2025 Q3 | 39,383 | 1 | 0 | 25.4 |
| 2025 Q2 | 57,975 | 2 | 0 | 34.5 |
| 2025 Q1 | 51,735 | 1 | 0 | 19.3 |
| 2024 Q4 | 59,838 | 4 | 0 | 66.8 |
| 2024 Q3 | 61,512 | 3 | 1 | 48.8 |
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2024 Q2 | 57,906 | 12 | 3 | 207.2 |
| 2024 Q1 | 51,538 | 10 | 0 | 194.0 |
| 2023 Q4 | 52,918 | 7 | 2 | 132.3 |
| 2023 Q3 | 54,335 | 4 | 1 | 73.6 |
| 2023 Q2 | 52,086 | 7 | 2 | 134.4 |
| 2023 Q1 | 52,722 | 3 | 0 | 56.9 |
| 2022 Q4 | 51,568 | 6 | 3 | 116.4 |
| 2022 Q3 | 57,641 | 2 | 2 | 34.7 |
| 2022 Q2 | 52,946 | 1 | 0 | 18.9 |
| 2022 Q1 | 51,421 | 8 | 2 | 155.6 |
| 2021 Q4 | 61,332 | 2 | 2 | 32.6 |
| 2021 Q3 | 53,144 | 7 | 1 | 131.7 |
| 2021 Q2 | 54,985 | 3 | 0 | 54.6 |
| 2021 Q1 | 50,470 | 4 | 1 | 79.3 |
| 2020 Q4 | 56,777 | 4 | 0 | 70.5 |
| 2020 Q3 | 52,788 | 1 | 0 | 18.9 |
| 2020 Q2 | 52,325 | 3 | 0 | 57.3 |
| 2020 Q1 | 48,752 | 4 | 1 | 82.0 |
| 2019 Q4 | 18,197 | 1 | 1 | 55.0 |
| 2019 Q3 | 4,860 | 0 | 0 | 0.0 |
| 2019 Q2 | 5,427 | 0 | 0 | 0.0 |
| 2019 Q1 | 3,689 | 1 | 0 | 271.1 |
| 2018 Q4 | 1,819 | 0 | 0 | 0.0 |
| 2018 Q3 | 1,698 | 0 | 0 | 0.0 |
| 2018 Q2 | 1,704 | 0 | 0 | 0.0 |
| 2018 Q1 | 1,567 | 1 | 0 | 638.2 |
| 2017 Q4 | 2,915 | 0 | 0 | 0.0 |
| 2017 Q3 | 3,987 | 0 | 0 | 0.0 |
| 2017 Q2 | 2,048 | 0 | 0 | 0.0 |
Employee attempted to move a drill steel and felt a pop in the left elbow. Was not reported until one week later. Injury became reportable when surgery was performed on 07/08/2026
While installing a cylinder in a scaling machine, a lifting strap failed. The failed strap section hit the employee in the eye causing a scratch to the cornea. All proper PPE was worn.
A piece of loose material contacted the employee on the right arm and left leg. Required stitches.
Employee rolled their left ankle while getting out of a pickup. The injury became reportable after a doctor placed employee on restrictions on 02/26/2025
While descending from the powder rig the employee stepped to the ground and rolled the left ankle
A significant rain event caused an inundation of water in the Bethany Mine. Thought to have occurred during the day on 5-21-24. Exact time of the inundation is unknown.
The employee was using a hammer drill at the primary crusher, the drill rotated unexpectedly. This unexpected movement resulted in three fractures to the right hand.
Fall in the tunnel occurred 3/5/23. That same day several MSHA personnel had a call. It was determined the fall didn't need to be reported since the structure was designed for such an event. On 3/21/23 another MSHA inspector and field office supervisor instructed management to submit a 7000-1 for this event.
Fall in the tunnel occurred 12/30/22. That same day MSHA EE, MSHA Asst DM and two others had a call. It was determined the fall didn't need to be reported since the structure was designed for such an event. On 3/21/23 MSHA inspector and Field office supervisor instructed management to submit a 7000-1 for this event.
Fall in the tunnel occurred 9/20/22. That same day two MSHA employees & two Martin Marietta employees had a call. It was determined the fall didn't need to be reported since the structure was designed for such an event. On 3/21/23 an MSHA inspector and field office supervisor instructed management to submit a 7000-1 for this event.
While riding the bus out of the mine, the employee went in to cardiac arrest. CPR was initiated and continued until EMS arrived, employee was transported to a hospital and was resuscitated.
Employee was at Martin Marietta changing a tire when the bead seat band slipped and pinched a finger. They received 7 stiches and has a follow up in 1 week
While loading a face, a piece of shale fell from the face and struck employee in the back.
Employee was loading bolts onto the Fletcher bolting machine. EE was pushing a bolt carousel to move it to continue loading bolts. A bolt slipped out of the clip causing the inside employee's right forearm to contact the corner of the clip resulting in a laceration that required 4 stitches.
Employee (miner) lost footing on stairs & slipped right leg was caught between stringer and bottom of handrail.