SWENSON GRAY QUARRY
Active
Surface
Stone
Operator: Swenson Granite Company LLC
Controller: Polycor Inc
Location: Concord, Merrimack County, NH
Employees: 31
313
Violations
89
S&S Violations
187
Accidents
$121K
Penalties
Recent Violations
View all 313 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 02/26/2026 | 56.20003(a) | S&S | ModNegligence | $0 |
| 02/26/2026 | 56.20003(a) | S&S | ModNegligence | $0 |
| 02/26/2026 | 56.12020 | S&S | ModNegligence | $0 |
| 02/26/2026 | 56.15020 | S&S | LowNegligence | $0 |
| 02/26/2026 | 56.14107(a) | S&S | LowNegligence | $0 |
| 08/13/2025 | 56.4201(b) | Non-S&S | LowNegligence | $151 |
| 08/13/2025 | 56.4203 | Non-S&S | ModNegligence | $151 |
| 03/06/2025 | 47.44(b) | Non-S&S | LowNegligence | $151 |
| 03/06/2025 | 56.11012 | S&S | ModNegligence | $336 |
| 03/06/2025 | 56.20003(a) | Non-S&S | LowNegligence | $151 |
| 01/29/2025 | Non-S&S | ModNegligence | $168 | |
| 01/29/2025 | 56.12020 | S&S | ModNegligence | $1,431 |
| 01/29/2025 | 56.20003(b) | S&S | HighNegligence | $1,431 |
| 01/29/2025 | 56.18002(b) | Non-S&S | ModNegligence | $151 |
| 01/23/2025 | 46.11(a) | Non-S&S | LowNegligence | $168 |
| 09/17/2024 | 47.41(a) | Non-S&S | LowNegligence | $147 |
| 09/17/2024 | 47.41(a) | Non-S&S | LowNegligence | $147 |
| 09/17/2024 | 56.12030 | S&S | LowNegligence | $328 |
| 09/17/2024 | 56.11003 | Non-S&S | LowNegligence | $147 |
| 06/30/2024 | 50.30(a) | Non-S&S | LowNegligence | $147 |
Accidents & Injuries
View all 187 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 02/03/2026 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | None |
| 08/14/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | None |
| 07/12/2025 | OTHER | DAYS RESTRICTED ACTIVITY ONLY | 3d restricted |
| 02/05/2025 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 4d lost, 4d restricted |
| 01/02/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 1d lost |
| 01/02/2025 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 11/13/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 09/06/2024 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 1d lost, 14d restricted |
| 08/29/2024 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 34d restricted |
| 08/06/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 110 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/26/2026 | 0.00 | 0 | |
| 02/26/2026 | 0.00 | 0 | |
| 08/12/2025 | 08/13/2025 | 15.50 | 1 |
| 03/06/2025 | 03/07/2025 | 14.75 | 1 |
| 01/23/2025 | 01/24/2025 | 11.75 | 1 |
| 01/23/2025 | 02/06/2025 | 38.75 | 2 |
| 01/15/2025 | 01/15/2025 | 20.00 | 1 |
| 09/16/2024 | 09/18/2024 | 74.50 | 4 |
| 06/17/2024 | 06/20/2024 | 25.25 | 1 |
| 12/18/2023 | 12/19/2023 | 6.00 | 1 |
Mine Details
MSHA Mine ID2700083
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionDimension Stone NEC
Employees31
Days/Week5.0
Hours/Shift8.0
Coordinates43.2372220, -71.5647220
Nearest TownConcord
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Frequently Asked Questions
How many MSHA violations does SWENSON GRAY QUARRY have?
SWENSON GRAY QUARRY has 313 MSHA violations on record, of which 89 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $121K.
What type of mine is SWENSON GRAY QUARRY?
SWENSON GRAY QUARRY is a Surface mine producing Stone, located in Concord, Merrimack County, NH. It currently has 31 employees.
Has anyone been injured or killed at SWENSON GRAY QUARRY?
According to MSHA records, SWENSON GRAY QUARRY has 187 reported accident/injury records and 0 fatalities on file.
Who operates SWENSON GRAY QUARRY?
SWENSON GRAY QUARRY is operated by Swenson Granite Company LLC and controlled by Polycor Inc. MSHA Mine ID: 2700083.