← Back to search

K500 Metal/Non-Metal

Mathy Const. Co. DBA Northland Constrs. of Duluth · Surface

Controlled by Mathy Construction Company

Duluth, St Louis County, MN · Intermittent

MSHA Mine ID: 2103893

Watch this mine

Email me when a new MSHA incident is filed at K500.

Fatalities: 0
Total incidents: 1
Years on record: 2024
Latest incident: Jun 2024

Compliance record

MSHA citations since 2021

citations

significant & substantial

$1,841

proposed penalties

$1,841

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	Per 1M hrs
2025 Q4	1,060	0	0.0
2024 Q3	3,294	0	0.0
2023 Q3	2,661	0	0.0
2023 Q2	2,352	2	850.3
2023 Q1	1,330	0	0.0
2021 Q4	944	0	0.0
2021 Q3	910	0	0.0
2019 Q1	0	0

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

Reportable incidents

1 on file

2024 · 1 incident

June 24, 2024 MN · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)

Northland Constrs. of Duluth · Struck by... (Not Elsewhere Classified)

Employees were performing maintenance on a crusher screen. One employee inadvertently struck partners finger with a hammer while installing screen clamp bolts. The injured employee has an open fracture of the left middle distal phalange.