Key Takeaway

K500 is a intermittent surface mine producing SandAndGravel, located in Duluth, St Louis County, MN. It has 12 violations on record (1 S&S) and $2K in proposed penalties. Operated by Mathy Const. Co. DBA Northland Constrs. of Duluth.

K500

Intermittent Surface SandAndGravel

Operator: Mathy Const. Co. DBA Northland Constrs. of Duluth

Controller: Mathy Construction Company

Location: Duluth, St Louis County, MN

Employees: 2

12
Violations
1
S&S Violations
1
Accidents
$2K
Penalties

Recent Violations

View all 12 →
Date Section S&S Negligence Penalty
04/09/2025 56.4601 Non-S&S LowNegligence $151
04/09/2025 56.12004 Non-S&S LowNegligence $151
05/09/2024 50.30(a) Non-S&S ModNegligence $147
05/09/2024 56.9300(b) Non-S&S ModNegligence $147
06/06/2023 56.12030 Non-S&S LowNegligence $143
06/06/2023 56.14100(c) Non-S&S ModNegligence $143
09/01/2022 50.30(a) Non-S&S LowNegligence $133
09/01/2022 50.30(a) Non-S&S LowNegligence $133
08/31/2022 56.14100(c) Non-S&S LowNegligence $133
08/30/2022 56.1000 Non-S&S LowNegligence $133
04/21/2021 56.12013(b) S&S ModNegligence $302
04/21/2021 56.9300(b) Non-S&S ModNegligence $125

Accidents & Injuries

View all 1 →
Date Classification Injury Days Lost
06/24/2024 HANDTOOLS (NONPOWERED) DAYS AWAY FROM WORK ONLY 251d lost

Inspections

View all 12 →
Begin End Hours Inspectors
04/09/2025 04/10/2025 9.00 1
05/22/2024 05/22/2024 0.75 1
05/07/2024 05/13/2024 12.50 1
06/06/2023 06/07/2023 12.75 1
05/17/2023 05/17/2023 1.50 1
08/30/2022 09/01/2022 14.50 1
04/21/2021 04/22/2021 19.75 1
08/04/2020 08/04/2020 0.75 1
08/01/2019 08/01/2019 0.50 1
08/08/2018 08/08/2018 1.50 1

Mine Details

MSHA Mine ID2103893
Mine TypeSurface
StatusIntermittent
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees2
Days/Week5.0
Hours/Shift8.0
Coordinates46.8619440, -92.1552780
Nearest TownDuluth

Frequently Asked Questions

How many MSHA violations does K500 have?

K500 has 12 MSHA violations on record, of which 1 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $2K.

What type of mine is K500?

K500 is a Surface mine producing SandAndGravel, located in Duluth, St Louis County, MN. It currently has 2 employees.

Has anyone been injured or killed at K500?

According to MSHA records, K500 has 1 reported accident/injury records and 0 fatalities on file.

Who operates K500?

K500 is operated by Mathy Const. Co. DBA Northland Constrs. of Duluth and controlled by Mathy Construction Company. MSHA Mine ID: 2103893.