Crushing Plant #1 Metal/Non-Metal
Superior Sand & Gravel, Inc.
· Surface
Controlled by
David Mattila; Lisa Mattila
Hancock, MI,
Houghton County,
MI
·
Intermittent
MSHA Mine ID: 2003057
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Email me when a new MSHA incident is filed at Crushing Plant #1.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2000
71
citations
9
significant & substantial
$7,577
proposed penalties
$7,577
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 | 1,154 | 1 | 0 | 866.6 |
| 2025 Q3 | 1,428 | 0 | 0 | 0.0 |
| 2025 Q2 | 1,019 | 0 | 0 | 0.0 |
| 2025 Q1 | 12 | 0 | 0 | 0.0 |
| 2024 Q4 | 1,116 | 1 | 0 | 896.1 |
| 2024 Q3 | 1,261 | 0 | 0 | 0.0 |
| 2024 Q2 | 1,479 | 0 | 0 | 0.0 |
| 2024 Q1 | 250 | 0 | 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.