Portable Dredge 4 Metal/Non-Metal
Werner Aggregates, Inc.
· Surface
Controlled by
Michael Werner
Grand Island,
Hall County,
NE
·
Intermittent
MSHA Mine ID: 2501293
Portable Dredge 4 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
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2020
12
citations
4
significant & substantial
$2,276
proposed penalties
$2,276
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2016
14
inspections on record
143
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: 143 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 Dredge 4 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
11 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-06-24.
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 | 34 | 0 | 0 | 0.0 |
| 2025 Q3 | 329 | 0 | 0 | 0.0 |
| 2025 Q2 | 488 | 2 | 0 | 4098.4 |
| 2025 Q1 | 239 | 0 | 0 | 0.0 |
| 2024 Q4 | 679 | 0 | 0 | 0.0 |
| 2024 Q3 | 643 | 0 | 0 | 0.0 |
| 2024 Q2 | 788 | 0 | 0 | 0.0 |
| 2024 Q1 | 182 | 0 | 0 | 0.0 |
Show 34 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 1,292 | 1 | 0 | 774.0 |
| 2023 Q3 | 1,395 | 2 | 0 | 1433.7 |
| 2023 Q2 | 779 | 0 | 0 | 0.0 |
| 2023 Q1 | 25 | 0 | 0 | 0.0 |
| 2022 Q4 | 696 | 0 | 0 | 0.0 |
| 2022 Q3 | 339 | 0 | 0 | 0.0 |
| 2022 Q2 | 294 | 0 | 0 | 0.0 |
| 2022 Q1 | 366 | 0 | 0 | 0.0 |
| 2021 Q4 | 1,536 | 0 | 0 | 0.0 |
| 2021 Q3 | 2,546 | 0 | 0 | 0.0 |
| 2021 Q2 | 2,188 | 0 | 0 | 0.0 |
| 2021 Q1 | 33 | 0 | 0 | 0.0 |
| 2020 Q4 | 538 | 1 | 0 | 1858.7 |
| 2020 Q3 | 1,220 | 0 | 0 | 0.0 |
| 2020 Q2 | 3,776 | 6 | 4 | 1589.0 |
| 2020 Q1 | 295 | 0 | 0 | 0.0 |
| 2019 Q4 | 1,440 | 0 | 0 | 0.0 |
| 2019 Q3 | 3,171 | 0 | 0 | 0.0 |
| 2019 Q2 | 529 | 0 | 0 | 0.0 |
| 2019 Q1 | 0 | 0 | 0 | |
| 2018 Q4 | 1,414 | 0 | 0 | 0.0 |
| 2018 Q3 | 2,057 | 0 | 0 | 0.0 |
| 2018 Q2 | 1,583 | 0 | 0 | 0.0 |
| 2018 Q1 | 74 | 0 | 0 | 0.0 |
| 2017 Q4 | 1,449 | 0 | 0 | 0.0 |
| 2017 Q3 | 2,031 | 0 | 0 | 0.0 |
| 2017 Q2 | 1,473 | 0 | 0 | 0.0 |
| 2017 Q1 | 0 | 0 | 0 | |
| 2016 Q4 | 2,299 | 0 | 0 | 0.0 |
| 2016 Q3 | 3,095 | 0 | 0 | 0.0 |
| 2016 Q2 | 3,115 | 0 | 0 | 0.0 |
| 2016 Q1 | 506 | 0 | 0 | 0.0 |
| 2015 Q4 | 1,980 | 0 | 0 | 0.0 |
| 2015 Q3 | 3,741 | 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 Portable Dredge 4
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.