Twin Mine Metal/Non-Metal
Palo Cedro Sand & Gravel LP
· Surface
Controlled by
Jason M Pedrotti
MILLVILLE,
Shasta County,
CA
·
Intermittent
MSHA Mine ID: 0405752
Twin Mine has $7K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.
Watch this mine
Email me when a new MSHA incident is filed at Twin Mine.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2008
51
citations
9
significant & substantial
$6,558
proposed penalties
$6,558
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
27
inspections on record
282
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: 282 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Twin Mine has $7K 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.$7K
proposed penalties
$7K
current assessed
$7K
paid to date
$0
outstanding
51 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2025-03-18.
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 | 480 | 0 | 0 | 0.0 |
| 2025 Q3 | 720 | 0 | 0 | 0.0 |
| 2025 Q2 | 720 | 0 | 0 | 0.0 |
| 2025 Q1 | 480 | 1 | 0 | 2083.3 |
| 2024 Q4 | 480 | 0 | 0 | 0.0 |
| 2024 Q3 | 480 | 0 | 0 | 0.0 |
| 2024 Q2 | 480 | 1 | 0 | 2083.3 |
| 2024 Q1 | 480 | 0 | 0 | 0.0 |
Show 60 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 960 | 0 | 0 | 0.0 |
| 2023 Q3 | 1,179 | 0 | 0 | 0.0 |
| 2023 Q2 | 1,328 | 1 | 0 | 753.0 |
| 2023 Q1 | 742 | 0 | 0 | 0.0 |
| 2022 Q4 | 1,544 | 3 | 0 | 1943.0 |
| 2022 Q3 | 1,749 | 3 | 0 | 1715.3 |
| 2022 Q2 | 1,271 | 0 | 0 | 0.0 |
| 2022 Q1 | 1,247 | 0 | 0 | 0.0 |
| 2021 Q4 | 1,245 | 0 | 0 | 0.0 |
| 2021 Q3 | 1,880 | 0 | 0 | 0.0 |
| 2021 Q2 | 1,456 | 0 | 0 | 0.0 |
| 2021 Q1 | 1,019 | 0 | 0 | 0.0 |
| 2020 Q4 | 1,146 | 3 | 0 | 2617.8 |
| 2020 Q3 | 1,321 | 0 | 0 | 0.0 |
| 2020 Q2 | 984 | 4 | 0 | 4065.0 |
| 2020 Q1 | 1,125 | 0 | 0 | 0.0 |
| 2019 Q4 | 1,378 | 4 | 1 | 2902.8 |
| 2019 Q3 | 1,183 | 0 | 0 | 0.0 |
| 2019 Q2 | 781 | 0 | 0 | 0.0 |
| 2019 Q1 | 578 | 0 | 0 | 0.0 |
| 2018 Q4 | 1,471 | 2 | 0 | 1359.6 |
| 2018 Q3 | 1,210 | 0 | 0 | 0.0 |
| 2018 Q2 | 1,118 | 2 | 0 | 1788.9 |
| 2018 Q1 | 1,046 | 0 | 0 | 0.0 |
| 2017 Q4 | 1,119 | 0 | 0 | 0.0 |
| 2017 Q3 | 1,491 | 0 | 0 | 0.0 |
| 2017 Q2 | 961 | 0 | 0 | 0.0 |
| 2017 Q1 | 420 | 0 | 0 | 0.0 |
| 2016 Q4 | 810 | 1 | 0 | 1234.6 |
| 2016 Q2 | 980 | 0 | 0 | 0.0 |
| 2016 Q1 | 520 | 2 | 0 | 3846.2 |
| 2015 Q4 | 820 | 0 | 0 | 0.0 |
| 2015 Q3 | 1,025 | 0 | 0 | 0.0 |
| 2015 Q2 | 931 | 0 | 0 | 0.0 |
| 2015 Q1 | 953 | 4 | 1 | 4197.3 |
| 2014 Q4 | 932 | 0 | 0 | 0.0 |
| 2014 Q3 | 961 | 0 | 0 | 0.0 |
| 2014 Q2 | 828 | 0 | 0 | 0.0 |
| 2014 Q1 | 502 | 2 | 0 | 3984.1 |
| 2013 Q2 | 622 | 1 | 1 | 1607.7 |
| 2013 Q1 | 320 | 0 | 0 | 0.0 |
| 2012 Q4 | 642 | 0 | 0 | 0.0 |
| 2012 Q3 | 1,302 | 0 | 0 | 0.0 |
| 2012 Q2 | 1,200 | 0 | 0 | 0.0 |
| 2012 Q1 | 502 | 0 | 0 | 0.0 |
| 2011 Q4 | 200 | 3 | 0 | 15000.0 |
| 2011 Q2 | 80 | 1 | 1 | 12500.0 |
| 2011 Q1 | 0 | 0 | 0 | |
| 2010 Q4 | 788 | 0 | 0 | 0.0 |
| 2010 Q3 | 1,050 | 0 | 0 | 0.0 |
| 2010 Q2 | 628 | 3 | 2 | 4777.1 |
| 2010 Q1 | 120 | 0 | 0 | 0.0 |
| 2009 Q4 | 880 | 0 | 0 | 0.0 |
| 2009 Q3 | 1,220 | 0 | 0 | 0.0 |
| 2009 Q2 | 1,220 | 0 | 0 | 0.0 |
| 2009 Q1 | 500 | 3 | 0 | 6000.0 |
| 2008 Q4 | 1,030 | 0 | 0 | 0.0 |
| 2008 Q3 | 1,680 | 0 | 0 | 0.0 |
| 2008 Q2 | 1,663 | 5 | 1 | 3006.6 |
| 2008 Q1 | 500 | 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 Twin Mine
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.