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Knife River Portable Plant SD-1 Metal/Non-Metal

Knife River - South Dakota · Surface

Controlled by Knife River Corporation

Sioux Falls, Minnehaha County, SD · Active

MSHA Mine ID: 3900292

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Email me when a new MSHA incident is filed at Knife River Portable Plant SD-1.

Fatalities: 0
Total incidents: 2
Years on record: 2005
Latest incident: Aug 2005

Compliance record

MSHA citations since 2001

citations

significant & substantial

$1,139

proposed penalties

$1,454

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	1,779	0	0	0.0
2025 Q2	3,122	0	0	0.0
2025 Q1	1,488	0	0	0.0
2024 Q2	41	0	0	0.0
2023 Q4	43	0	0	0.0
2023 Q3	48	0	0	0.0
2023 Q2	58	0	0	0.0
2022 Q4	1,720	0	0	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

2 on file

2005 · 2 incidents

August 23, 2005 SD · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS

Knife River - South Dakota · Over-exertion in pulling or pushing objects

Pulling hose and fill tubes, hurt back.

July 5, 2005 SD · Metal/Non-Metal outside foreman, leadman MACHINERY

Knife River - South Dakota · Struck by falling object

Employee was removing the cutting edge bolts with an air wrench. One of the bolts dropped out of the sq. slot. He pushed the bolt back up into the sq slot-when he used the air wrench to remove the nut & bolt, nut & air wrench dropped. The head of the bolt dropped down out of the sq slot and cut through his glove and cut tip of left index finger.