Portable Crusher Metal/Non-Metal
Bernard Mahrer Construction Inc
· Surface
Controlled by
Mitchell B Mahrer
Britton,
Marshall County,
SD
·
Intermittent
MSHA Mine ID: 3200666
Watch this mine
Email me when a new MSHA incident is filed at Portable Crusher.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2001
24
citations
4
significant & substantial
$2,769
proposed penalties
$2,769
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 | 1,393 | 0 | 0 | 0.0 |
| 2025 Q3 | 1,976 | 0 | 0 | 0.0 |
| 2025 Q2 | 639 | 0 | 0 | 0.0 |
| 2025 Q1 | 0 | 0 | 0 | |
| 2024 Q4 | 1,255 | 2 | 0 | 1593.6 |
| 2024 Q3 | 2,112 | 0 | 0 | 0.0 |
| 2024 Q2 | 1,372 | 1 | 0 | 728.9 |
| 2024 Q1 | 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.