Portable #11 Metal/Non-Metal
Strata Corporation
· Surface
Controlled by
Knife River Corporation
McGregor,
Williams County,
ND
·
Intermittent
MSHA Mine ID: 3201035
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Email me when a new MSHA incident is filed at Portable #11.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2015
9
citations
1
significant & substantial
$1,197
proposed penalties
$1,197
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 | 0 | 0 | 0 | |
| 2025 Q3 | 0 | 0 | 0 | |
| 2025 Q2 | 0 | 0 | 0 | |
| 2025 Q1 | 0 | 0 | 0 | |
| 2024 Q4 | 0 | 0 | 0 | |
| 2024 Q3 | 283 | 0 | 0 | 0.0 |
| 2024 Q2 | 235 | 0 | 0 | 0.0 |
| 2024 Q1 | 0 | 0 | 0 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.