Key Takeaway
HARD ROCK QUARRY is a active surface mine producing SandAndGravel, located in Warren, Knox County, ME. It has 97 violations on record (20 S&S) and $15K in proposed penalties. Operated by Peter Overlock Inc.
HARD ROCK QUARRY
Operator: Peter Overlock Inc
Controller: Peter C Overlock
Location: Warren, Knox County, ME
Employees: 3
Recent Violations
View all 97 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 11/14/2025 | 56.14107(a) | Non-S&S | LowNegligence | $151 |
| 11/14/2025 | 56.12025 | Non-S&S | LowNegligence | $151 |
| 11/14/2025 | 56.14100(b) | S&S | LowNegligence | $151 |
| 11/14/2025 | 47.41(a) | Non-S&S | ModNegligence | $151 |
| 11/14/2025 | 56.14132(a) | Non-S&S | LowNegligence | $151 |
| 10/08/2025 | Non-S&S | ModNegligence | $0 | |
| 09/24/2025 | Non-S&S | $0 | ||
| 09/24/2025 | 56.11001 | S&S | LowNegligence | $443 |
| 09/24/2025 | 46.5(a) | S&S | LowNegligence | $233 |
| 09/24/2025 | 56.16007 | S&S | LowNegligence | $165 |
| 09/24/2025 | 56.14107(a) | Non-S&S | LowNegligence | $151 |
| 09/24/2025 | 46.11(a) | S&S | ModNegligence | $504 |
| 09/24/2025 | 46.12(a)(2) | Non-S&S | ModNegligence | $151 |
| 08/26/2025 | 50.30(a) | Non-S&S | LowNegligence | $151 |
| 08/26/2025 | 56.4201(a)(2) | Non-S&S | LowNegligence | $151 |
| 03/07/2025 | 56.14132(a) | Non-S&S | LowNegligence | $267 |
| 03/07/2025 | 56.11001 | S&S | ModNegligence | $1,320 |
| 03/07/2025 | 56.14100(b) | Non-S&S | ModNegligence | $592 |
| 03/07/2025 | 56.23002(a) | Non-S&S | LowNegligence | $151 |
| 07/11/2024 | 56.11001 | S&S | ModNegligence | $147 |
Inspections
View all 49 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/12/2026 | 01/15/2026 | 7.75 | 1 |
| 11/12/2025 | 12/04/2025 | 21.25 | 1 |
| 09/24/2025 | 10/10/2025 | 23.00 | 1 |
| 08/26/2025 | 08/26/2025 | 27.25 | 1 |
| 03/14/2025 | 04/01/2025 | 11.25 | 1 |
| 03/06/2025 | 03/07/2025 | 12.50 | 1 |
| 08/05/2024 | 08/07/2024 | 2.75 | 1 |
| 07/10/2024 | 07/12/2024 | 14.00 | 1 |
| 12/21/2023 | 12/22/2023 | 3.75 | 1 |
| 12/11/2023 | 12/13/2023 | 19.50 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does HARD ROCK QUARRY have?
HARD ROCK QUARRY has 97 MSHA violations on record, of which 20 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $15K.
What type of mine is HARD ROCK QUARRY?
HARD ROCK QUARRY is a Surface mine producing SandAndGravel, located in Warren, Knox County, ME. It currently has 3 employees.
Has anyone been injured or killed at HARD ROCK QUARRY?
According to MSHA records, HARD ROCK QUARRY has 0 reported accident/injury records and 0 fatalities on file.
Who operates HARD ROCK QUARRY?
HARD ROCK QUARRY is operated by Peter Overlock Inc and controlled by Peter C Overlock. MSHA Mine ID: 1700705.