Key Takeaway
K400 is a intermittent surface mine producing SandAndGravel, located in Duluth, St Louis County, MN. It has 2 violations on record (1 S&S) and $286 in proposed penalties. Operated by Mathy Const. Co. DBA Northland Constrs. of Duluth.
K400
Operator: Mathy Const. Co. DBA Northland Constrs. of Duluth
Controller: Mathy Construction Company
Location: Duluth, St Louis County, MN
Employees: 3
Recent Violations
View all 2 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 06/08/2023 | 56.5001(a)/56.5005 | S&S | LowNegligence | $143 |
| 06/07/2023 | 56.13015(a) | Non-S&S | ModNegligence | $143 |
Inspections
View all 6 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 07/15/2025 | 07/15/2025 | 0.50 | 1 |
| 09/05/2024 | 09/05/2024 | 7.25 | 1 |
| 07/31/2024 | 07/31/2024 | 5.25 | 1 |
| 07/06/2023 | 07/06/2023 | 18.50 | 1 |
| 06/20/2023 | 06/20/2023 | 8.75 | 1 |
| 06/07/2023 | 06/08/2023 | 21.50 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does K400 have?
K400 has 2 MSHA violations on record, of which 1 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $286.
What type of mine is K400?
K400 is a Surface mine producing SandAndGravel, located in Duluth, St Louis County, MN. It currently has 3 employees.
Has anyone been injured or killed at K400?
According to MSHA records, K400 has 0 reported accident/injury records and 0 fatalities on file.
Who operates K400?
K400 is operated by Mathy Const. Co. DBA Northland Constrs. of Duluth and controlled by Mathy Construction Company. MSHA Mine ID: 2104045.