Portable Screen #1 Metal/Non-Metal
North Central Aggregates
· Surface
Controlled by
Greg Kolodziej
Allendale,
Ottawa County,
MI
·
Intermittent
MSHA Mine ID: 4703951
Portable Screen #1 has $604 in proposed MSHA penalties and $302 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 2025
4
citations
1
significant & substantial
$604
proposed penalties
$302
paid to date
50% of proposed penalties paid to date, a $302 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2024
3
inspections on record
49
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: 49 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 Screen #1 has $604 in proposed MSHA penalties and $302 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.$604
proposed penalties
$604
current assessed
$302
paid to date
$302
outstanding
2 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-05-04.
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 | 581 | 0 | 0 | 0.0 |
| 2025 Q3 | 561 | 2 | 0 | 3565.1 |
| 2025 Q2 | 500 | 0 | 0 | 0.0 |
| 2025 Q1 | 295 | 0 | 0 | 0.0 |
| 2024 Q4 | 599 | 0 | 0 | 0.0 |
| 2024 Q3 | 751 | 0 | 0 | 0.0 |
| 2024 Q2 | 656 | 0 | 0 | 0.0 |
| 2024 Q1 | 318 | 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 Screen #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.