Silverlake Gravel Metal/Non-Metal
Silverlake Gravel
· Surface
Controlled by
John Grosz Sr; John Grosz Jr
Clark,
Clark County,
SD
·
Intermittent
MSHA Mine ID: 3901611
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2015
15
citations
4
significant & substantial
$1,843
proposed penalties
$1,843
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 Q3 | 144 | 0 | 0 | 0.0 |
| 2019 Q4 | 108 | 0 | 0 | 0.0 |
| 2019 Q3 | 240 | 0 | 0 | 0.0 |
| 2019 Q2 | 135 | 0 | 0 | 0.0 |
| 2019 Q1 | 0 | 0 | 0 | |
| 2018 Q4 | 96 | 0 | 0 | 0.0 |
| 2018 Q3 | 0 | 7 | 3 | |
| 2018 Q2 | 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.