HARD ROCK QUARRY Metal/Non-Metal
Peter Overlock Inc
· Surface
Controlled by
Peter C Overlock
Warren,
Knox County,
ME
·
Active
MSHA Mine ID: 1700705
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Email me when a new MSHA incident is filed at HARD ROCK QUARRY.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2002
101
citations
21
significant & substantial
$15,189
proposed penalties
$12,691
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 | 3,063 | 6 | 1 | 1958.9 |
| 2025 Q3 | 2,494 | 9 | 4 | 3608.7 |
| 2025 Q2 | 2,319 | 0 | 0 | 0.0 |
| 2025 Q1 | 2,240 | 4 | 1 | 1785.7 |
| 2024 Q4 | 1,534 | 0 | 0 | 0.0 |
| 2024 Q3 | 2,000 | 7 | 3 | 3500.0 |
| 2024 Q2 | 1,866 | 0 | 0 | 0.0 |
| 2024 Q1 | 1,994 | 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.