Dakota Aggregates LLC · (Not Elsewhere Classified)
Code 26 - Moderate loss in hearing
UMore Park Mining Operation Metal/Non-Metal
Dakota Aggregates LLC
· Surface
Controlled by
Cemstone Concrete Solutions
Rosemount,
Dakota County,
MN
·
Intermittent
MSHA Mine ID: 2103793
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Email me when a new MSHA incident is filed at UMore Park Mining Operation.
- Fatalities
- 0
- Total incidents
- 3
- Years on record
- 2018–2025
- Latest incident
- Feb 2025
Compliance record
MSHA citations since 2014
46
citations
2
significant & substantial
$6,035
proposed penalties
$6,035
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 | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2025 Q4 | 10,656 | 5 | 1 | 469.2 |
| 2025 Q3 | 15,200 | 0 | 0 | 0.0 |
| 2025 Q2 | 13,844 | 4 | 0 | 288.9 |
| 2025 Q1 | 8,764 | 0 | 0 | 0.0 |
| 2024 Q4 | 15,785 | 0 | 0 | 0.0 |
| 2024 Q3 | 22,195 | 0 | 0 | 0.0 |
| 2024 Q2 | 25,440 | 0 | 0 | 0.0 |
| 2023 Q4 | 14,250 | 3 | 0 | 210.5 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.
Reportable incidents
3 on file2025 · 1 incident
2024 · 1 incident
Dakota Aggregates LLC · Flash burns (electric)
Electrical Contractor was wiring drive for water pump when Arc Flash occurred. Contractor was working alone and doesn't remember what could have caused accident. Contractor suffered burns to arms.
2018 · 1 incident
Dakota Aggregates LLC · Fall onto or against objects
Employee was using a 3/4" ratchet & socket to tighten a conveyor belt at the tail pulley. The ratchet slipped off causing the employee to fall forward hitting head/eye on guarding framework.