Portable 1 Metal/Non-Metal
Diamond Lime, L.L.C.
· Surface
Controlled by
Leroy W Johnson
Nelson,
Nuckolls County,
NE
·
Intermittent
MSHA Mine ID: 2501272
Portable 1 has $3K 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
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2010
18
citations
5
significant & substantial
$3,152
proposed penalties
$3,152
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2010
14
inspections on record
150
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: 150 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Portable 1 has $3K 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.$3K
proposed penalties
$3K
current assessed
$3K
paid to date
$0
outstanding
18 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-06-06.
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 | 286 | 0 | 0 | 0.0 |
| 2025 Q3 | 183 | 0 | 0 | 0.0 |
| 2025 Q2 | 165 | 8 | 1 | 48484.8 |
| 2025 Q1 | 265 | 0 | 0 | 0.0 |
| 2024 Q4 | 195 | 0 | 0 | 0.0 |
| 2024 Q3 | 96 | 0 | 0 | 0.0 |
| 2024 Q1 | 975 | 0 | 0 | 0.0 |
| 2023 Q3 | 140 | 0 | 0 | 0.0 |
Show 38 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q2 | 134 | 0 | 0 | 0.0 |
| 2022 Q4 | 480 | 0 | 0 | 0.0 |
| 2022 Q3 | 295 | 0 | 0 | 0.0 |
| 2019 Q1 | 0 | 0 | 0 | |
| 2018 Q4 | 340 | 0 | 0 | 0.0 |
| 2018 Q3 | 0 | 0 | 0 | |
| 2018 Q2 | 0 | 0 | 0 | |
| 2018 Q1 | 149 | 0 | 0 | 0.0 |
| 2017 Q4 | 64 | 0 | 0 | 0.0 |
| 2017 Q3 | 348 | 0 | 0 | 0.0 |
| 2017 Q2 | 0 | 0 | 0 | |
| 2017 Q1 | 244 | 0 | 0 | 0.0 |
| 2016 Q4 | 0 | 0 | 0 | |
| 2016 Q3 | 579 | 0 | 0 | 0.0 |
| 2016 Q2 | 26 | 0 | 0 | 0.0 |
| 2016 Q1 | 504 | 0 | 0 | 0.0 |
| 2015 Q4 | 80 | 0 | 0 | 0.0 |
| 2015 Q3 | 218 | 0 | 0 | 0.0 |
| 2015 Q2 | 0 | 0 | 0 | |
| 2015 Q1 | 327 | 0 | 0 | 0.0 |
| 2014 Q4 | 114 | 0 | 0 | 0.0 |
| 2014 Q3 | 18 | 0 | 0 | 0.0 |
| 2014 Q2 | 3 | 0 | 0 | 0.0 |
| 2014 Q1 | 110 | 0 | 0 | 0.0 |
| 2013 Q4 | 199 | 0 | 0 | 0.0 |
| 2013 Q3 | 83 | 0 | 0 | 0.0 |
| 2013 Q2 | 15 | 0 | 0 | 0.0 |
| 2013 Q1 | 442 | 0 | 0 | 0.0 |
| 2012 Q4 | 43 | 0 | 0 | 0.0 |
| 2012 Q3 | 103 | 0 | 0 | 0.0 |
| 2012 Q2 | 206 | 0 | 0 | 0.0 |
| 2012 Q1 | 551 | 0 | 0 | 0.0 |
| 2011 Q4 | 934 | 0 | 0 | 0.0 |
| 2011 Q3 | 770 | 0 | 0 | 0.0 |
| 2011 Q2 | 197 | 0 | 0 | 0.0 |
| 2011 Q1 | 231 | 2 | 1 | 8658.0 |
| 2010 Q4 | 1,033 | 0 | 0 | 0.0 |
| 2010 Q3 | 94 | 4 | 1 | 42553.2 |
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 Portable 1
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.