Granite Valley Quarry Metal/Non-Metal
Gordy Serbus & Sons Gravel LLC
· Surface
Controlled by
Chad M Serbus; Craig G Serbus
Redwood Falls,
Redwood County,
MN
·
Active
MSHA Mine ID: 2103600
Granite Valley Quarry has $21K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2008
86
citations
11
significant & substantial
$20,938
proposed penalties
$20,938
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2008
31
inspections on record
362
inspection hours
n/a
citations per 100 inspection hours
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.Rate withheld: 362 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Granite Valley Quarry has $21K in proposed MSHA penalties and $0 outstanding across 1 contested dockets.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$21K
proposed penalties
$21K
current assessed
$21K
paid to date
$0
outstanding
86 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2025-10-29.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
Quarterly safety rates
ⓘ
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.Citations per million employee-hours, as reported to MSHA
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2025 Q4 | 2,822 | 2 | 0 | 708.7 |
| 2025 Q3 | 3,901 | 0 | 0 | 0.0 |
| 2025 Q2 | 3,727 | 4 | 0 | 1073.2 |
| 2025 Q1 | 2,652 | 0 | 0 | 0.0 |
| 2024 Q4 | 3,318 | 2 | 0 | 602.8 |
| 2024 Q3 | 3,980 | 0 | 0 | 0.0 |
| 2024 Q2 | 4,088 | 0 | 0 | 0.0 |
| 2024 Q1 | 2,912 | 5 | 0 | 1717.0 |
Show 65 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 3,762 | 0 | 0 | 0.0 |
| 2023 Q3 | 4,130 | 0 | 0 | 0.0 |
| 2023 Q2 | 4,343 | 4 | 0 | 921.0 |
| 2023 Q1 | 1,911 | 0 | 0 | 0.0 |
| 2022 Q4 | 3,056 | 7 | 3 | 2290.6 |
| 2022 Q3 | 3,796 | 0 | 0 | 0.0 |
| 2022 Q2 | 3,968 | 0 | 0 | 0.0 |
| 2022 Q1 | 2,608 | 6 | 2 | 2300.6 |
| 2021 Q4 | 3,313 | 0 | 0 | 0.0 |
| 2021 Q3 | 3,671 | 2 | 0 | 544.8 |
| 2021 Q2 | 4,220 | 0 | 0 | 0.0 |
| 2021 Q1 | 2,909 | 0 | 0 | 0.0 |
| 2020 Q4 | 3,743 | 0 | 0 | 0.0 |
| 2020 Q3 | 4,786 | 0 | 0 | 0.0 |
| 2020 Q2 | 4,249 | 5 | 0 | 1176.7 |
| 2020 Q1 | 3,257 | 0 | 0 | 0.0 |
| 2019 Q4 | 4,258 | 0 | 0 | 0.0 |
| 2019 Q3 | 4,345 | 0 | 0 | 0.0 |
| 2019 Q2 | 3,926 | 7 | 1 | 1783.0 |
| 2019 Q1 | 1,615 | 0 | 0 | 0.0 |
| 2018 Q4 | 4,040 | 0 | 0 | 0.0 |
| 2018 Q3 | 4,295 | 0 | 0 | 0.0 |
| 2018 Q2 | 4,133 | 0 | 0 | 0.0 |
| 2018 Q1 | 2,432 | 0 | 0 | 0.0 |
| 2017 Q4 | 3,565 | 8 | 2 | 2244.0 |
| 2017 Q3 | 3,960 | 0 | 0 | 0.0 |
| 2017 Q2 | 3,426 | 3 | 0 | 875.7 |
| 2017 Q1 | 1,522 | 0 | 0 | 0.0 |
| 2016 Q4 | 2,101 | 0 | 0 | 0.0 |
| 2016 Q3 | 2,395 | 2 | 1 | 835.1 |
| 2016 Q2 | 1,948 | 0 | 0 | 0.0 |
| 2016 Q1 | 946 | 0 | 0 | 0.0 |
| 2015 Q4 | 1,322 | 0 | 0 | 0.0 |
| 2015 Q3 | 1,749 | 0 | 0 | 0.0 |
| 2015 Q2 | 1,507 | 0 | 0 | 0.0 |
| 2015 Q1 | 2 | 0 | 0 | 0.0 |
| 2014 Q4 | 1,212 | 6 | 0 | 4950.5 |
| 2014 Q3 | 1,669 | 0 | 0 | 0.0 |
| 2014 Q2 | 1,069 | 4 | 1 | 3741.8 |
| 2014 Q1 | 0 | 0 | 0 | |
| 2013 Q4 | 818 | 0 | 0 | 0.0 |
| 2013 Q3 | 1,540 | 0 | 0 | 0.0 |
| 2013 Q2 | 685 | 1 | 0 | 1459.9 |
| 2013 Q1 | 0 | 0 | 0 | |
| 2012 Q4 | 927 | 0 | 0 | 0.0 |
| 2012 Q3 | 1,137 | 0 | 0 | 0.0 |
| 2012 Q2 | 622 | 1 | 0 | 1607.7 |
| 2012 Q1 | 0 | 0 | 0 | |
| 2011 Q4 | 1,090 | 0 | 0 | 0.0 |
| 2011 Q3 | 868 | 0 | 0 | 0.0 |
| 2011 Q2 | 487 | 0 | 0 | 0.0 |
| 2011 Q1 | 0 | 0 | 0 | |
| 2010 Q4 | 644 | 5 | 1 | 7764.0 |
| 2010 Q3 | 823 | 0 | 0 | 0.0 |
| 2010 Q2 | 945 | 3 | 0 | 3174.6 |
| 2010 Q1 | 0 | 0 | 0 | |
| 2009 Q4 | 243 | 0 | 0 | 0.0 |
| 2009 Q3 | 927 | 0 | 0 | 0.0 |
| 2009 Q2 | 811 | 0 | 0 | 0.0 |
| 2009 Q1 | 0 | 0 | 0 | |
| 2008 Q4 | 312 | 3 | 0 | 9615.4 |
| 2008 Q3 | 628 | 6 | 0 | 9554.1 |
| 2008 Q2 | 404 | 0 | 0 | 0.0 |
| 2008 Q1 | 0 | 0 | 0 | |
| 2007 Q4 | 606 | 0 | 0 | 0.0 |
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.
For insurers, brokers, and safety consultants
The full compliance file on Granite Valley Quarry
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.