Portable Metal/Non-Metal
Quality Aggregate
· Surface
Controlled by
Jerome Trapp
Green Lake, WI,
Green Lake County,
WI
·
Intermittent
MSHA Mine ID: 4703680
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Email me when a new MSHA incident is filed at Portable.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2013
32
citations
4
significant & substantial
$3,787
proposed penalties
$3,787
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2025 Q4 | 388 | 0 | 0 | 0.0 |
| 2022 Q3 | 0 | 0 | 0 | |
| 2022 Q2 | 0 | 0 | 0 | |
| 2021 Q4 | 0 | 0 | 0 | |
| 2021 Q3 | 1,252 | 0 | 0 | 0.0 |
| 2021 Q2 | 320 | 3 | 0 | 9375.0 |
| 2021 Q1 | 0 | 0 | 0 | |
| 2020 Q4 | 0 | 0 | 0 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
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.