Generator shut off during operation. Miner went to investigate and check code displayed. Generator was overheated and proceeded to check radiator, twisted cap to release pressure, hissing stopped and opened cap, cap shot off and sprayed miner with hot coolant on forearm and forehead.
503413 Metal/Non-Metal
Knife River North Central
· Surface
Controlled by
Knife River Corporation
Clearwater,
Stearns County,
MN
·
Intermittent
MSHA Mine ID: 2103558
503413 has $2K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 1
- Years on record
- 2023
- Latest incident
- Jun 2023
Compliance record
MSHA citations since 2007
17
citations
2
significant & substantial
$2,221
proposed penalties
$2,221
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2007
14
inspections on record
84
inspection hours
n/a
citations per 100 inspection hours
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.Rate withheld: 84 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
503413 has $2K in proposed MSHA penalties and $0 outstanding across 0 contested dockets.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
17 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-07-09.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
Quarterly safety rates
ⓘ
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.Citations per million employee-hours, as reported to MSHA
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2025 Q4 | 241 | 0 | 0 | 0.0 |
| 2025 Q3 | 1,585 | 3 | 0 | 1892.7 |
| 2025 Q2 | 40 | 0 | 0 | 0.0 |
| 2025 Q1 | 1 | 0 | 0 | 0.0 |
| 2024 Q4 | 1 | 0 | 0 | 0.0 |
| 2024 Q3 | 789 | 1 | 0 | 1267.4 |
| 2024 Q2 | 750 | 0 | 0 | 0.0 |
| 2024 Q1 | 1 | 0 | 0 | 0.0 |
Show 45 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 301 | 0 | 0 | 0.0 |
| 2023 Q3 | 601 | 4 | 2 | 6655.6 |
| 2023 Q2 | 601 | 0 | 0 | 0.0 |
| 2023 Q1 | 1 | 0 | 0 | 0.0 |
| 2022 Q4 | 201 | 0 | 0 | 0.0 |
| 2022 Q3 | 601 | 0 | 0 | 0.0 |
| 2022 Q2 | 501 | 0 | 0 | 0.0 |
| 2022 Q1 | 1 | 0 | 0 | 0.0 |
| 2021 Q4 | 381 | 0 | 0 | 0.0 |
| 2021 Q3 | 651 | 0 | 0 | 0.0 |
| 2021 Q2 | 721 | 0 | 0 | 0.0 |
| 2021 Q1 | 101 | 0 | 0 | 0.0 |
| 2020 Q4 | 301 | 0 | 0 | 0.0 |
| 2020 Q3 | 1,201 | 0 | 0 | 0.0 |
| 2020 Q2 | 601 | 0 | 0 | 0.0 |
| 2020 Q1 | 1 | 0 | 0 | 0.0 |
| 2019 Q4 | 251 | 0 | 0 | 0.0 |
| 2019 Q3 | 301 | 0 | 0 | 0.0 |
| 2019 Q2 | 601 | 0 | 0 | 0.0 |
| 2019 Q1 | 1 | 0 | 0 | 0.0 |
| 2018 Q4 | 602 | 3 | 0 | 4983.4 |
| 2018 Q3 | 602 | 1 | 0 | 1661.1 |
| 2018 Q2 | 251 | 0 | 0 | 0.0 |
| 2018 Q1 | 1 | 0 | 0 | 0.0 |
| 2017 Q4 | 201 | 0 | 0 | 0.0 |
| 2017 Q3 | 602 | 3 | 0 | 4983.4 |
| 2011 Q2 | 4 | 0 | 0 | 0.0 |
| 2011 Q1 | 4 | 0 | 0 | 0.0 |
| 2010 Q4 | 4 | 0 | 0 | 0.0 |
| 2010 Q3 | 4 | 0 | 0 | 0.0 |
| 2010 Q2 | 4 | 0 | 0 | 0.0 |
| 2010 Q1 | 4 | 0 | 0 | 0.0 |
| 2009 Q4 | 4 | 0 | 0 | 0.0 |
| 2009 Q3 | 4 | 0 | 0 | 0.0 |
| 2009 Q2 | 0 | 0 | 0 | |
| 2009 Q1 | 20 | 0 | 0 | 0.0 |
| 2008 Q4 | 0 | 0 | 0 | |
| 2008 Q3 | 175 | 0 | 0 | 0.0 |
| 2008 Q2 | 560 | 0 | 0 | 0.0 |
| 2008 Q1 | 100 | 0 | 0 | 0.0 |
| 2007 Q4 | 180 | 0 | 0 | 0.0 |
| 2007 Q3 | 960 | 0 | 0 | 0.0 |
| 2007 Q2 | 1,060 | 2 | 0 | 1886.8 |
| 2007 Q1 | 0 | 0 | 0 | |
| 2006 Q4 | 400 | 0 | 0 | 0.0 |
No fatalities recorded at this mine.
Reportable incidents
1 on file2023 · 1 incident
Johnson Crushing Inc · Contact with hot objects or substances
For insurers, brokers, and safety consultants
The full compliance file on 503413
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.