Wash Plant Metal/Non-Metal

Knife River Corporation Mountain West · Surface

Controlled by Knife River Corporation

Idaho Falls, Bonneville County, ID · Intermittent

MSHA Mine ID: 1002170

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Compliance record

MSHA citations since 2008

citations

significant & substantial

$6,120

proposed penalties

$6,120

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	1,280	0	0	0.0
2025 Q2	976	1	0	1024.6
2025 Q1	0	0	0
2024 Q4	1,497	1	0	668.0
2024 Q2	826	2	1	2421.3
2023 Q4	3,580	0	0	0.0
2023 Q3	1,411	0	0	0.0
2023 Q2	4,775	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.

1 on file

November 21, 2019 ID · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)

Knife River Southern Idaho Division · Struck by... (Not Elsewhere Classified)

Employee cut a finger using a utility knife performing maintenance.