Knox Metal/Non-Metal
OK Rock Quarries LLC
· Surface
Controlled by
Patricia Melton
Porum,
Mcintosh County,
OK
·
Abandoned
MSHA Mine ID: 3402119
Knox has $3K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2012
22
citations
4
significant & substantial
$2,926
proposed penalties
$2,926
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2011
15
inspections on record
178
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: 178 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Knox has $3K in proposed MSHA penalties and $0 outstanding across 1 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.$3K
proposed penalties
$3K
current assessed
$3K
paid to date
$0
outstanding
22 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2021-06-29.
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 | 1,460 | 0 | 0 | 0.0 |
| 2024 Q1 | 0 | 0 | 0 | |
| 2023 Q4 | 0 | 0 | 0 | |
| 2023 Q3 | 0 | 0 | 0 | |
| 2023 Q2 | 0 | 0 | 0 | |
| 2023 Q1 | 0 | 0 | 0 | |
| 2022 Q4 | 0 | 0 | 0 | |
| 2022 Q3 | 30 | 0 | 0 | 0.0 |
Show 40 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2022 Q2 | 35 | 0 | 0 | 0.0 |
| 2022 Q1 | 35 | 0 | 0 | 0.0 |
| 2021 Q4 | 2,310 | 0 | 0 | 0.0 |
| 2021 Q3 | 2,640 | 0 | 0 | 0.0 |
| 2021 Q2 | 2,280 | 1 | 0 | 438.6 |
| 2021 Q1 | 125 | 0 | 0 | 0.0 |
| 2020 Q4 | 1,050 | 0 | 0 | 0.0 |
| 2020 Q3 | 661 | 0 | 0 | 0.0 |
| 2020 Q2 | 1,476 | 0 | 0 | 0.0 |
| 2020 Q1 | 2,702 | 1 | 0 | 370.1 |
| 2019 Q4 | 30 | 0 | 0 | 0.0 |
| 2019 Q3 | 60 | 0 | 0 | 0.0 |
| 2019 Q2 | 1,040 | 0 | 0 | 0.0 |
| 2019 Q1 | 7,602 | 1 | 0 | 131.5 |
| 2018 Q4 | 7,104 | 0 | 0 | 0.0 |
| 2018 Q3 | 6,372 | 4 | 1 | 627.7 |
| 2018 Q2 | 4,535 | 0 | 0 | 0.0 |
| 2018 Q1 | 4,416 | 0 | 0 | 0.0 |
| 2017 Q1 | 0 | 0 | 0 | |
| 2016 Q4 | 0 | 0 | 0 | |
| 2016 Q3 | 0 | 0 | 0 | |
| 2016 Q2 | 0 | 0 | 0 | |
| 2016 Q1 | 0 | 0 | 0 | |
| 2015 Q4 | 0 | 0 | 0 | |
| 2015 Q3 | 0 | 0 | 0 | |
| 2015 Q2 | 0 | 0 | 0 | |
| 2015 Q1 | 0 | 0 | 0 | |
| 2014 Q4 | 4,806 | 1 | 0 | 208.1 |
| 2014 Q3 | 3,736 | 13 | 3 | 3479.7 |
| 2014 Q2 | 2,933 | 0 | 0 | 0.0 |
| 2014 Q1 | 1,620 | 0 | 0 | 0.0 |
| 2013 Q3 | 0 | 0 | 0 | |
| 2013 Q2 | 0 | 0 | 0 | |
| 2013 Q1 | 1,952 | 0 | 0 | 0.0 |
| 2012 Q4 | 1,248 | 0 | 0 | 0.0 |
| 2012 Q3 | 1,272 | 1 | 0 | 786.2 |
| 2012 Q2 | 1,856 | 0 | 0 | 0.0 |
| 2012 Q1 | 1,640 | 0 | 0 | 0.0 |
| 2011 Q4 | 3,360 | 0 | 0 | 0.0 |
| 2011 Q3 | 1,003 | 0 | 0 | 0.0 |
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.
For insurers, brokers, and safety consultants
The full compliance file on Knox
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.