Silva Quarry Metal/Non-Metal
Shasta Valley Rock
· Surface
Controlled by
Eric W Peters; Michael T Peters
yreka,
Siskiyou County,
CA
·
Intermittent
MSHA Mine ID: 0405868
Silva Quarry has $2K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.
Watch this mine
Email me when a new MSHA incident is filed at Silva Quarry.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2014
18
citations
1
significant & substantial
$2,225
proposed penalties
$2,225
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2014
16
inspections on record
189
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: 189 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Silva Quarry has $2K in proposed MSHA penalties and $0 outstanding across 0 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.$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
18 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2020-11-04.
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 | 240 | 0 | 0 | 0.0 |
| 2025 Q2 | 288 | 0 | 0 | 0.0 |
| 2025 Q1 | 25 | 0 | 0 | 0.0 |
| 2024 Q4 | 36 | 0 | 0 | 0.0 |
| 2024 Q3 | 326 | 0 | 0 | 0.0 |
| 2024 Q2 | 10 | 0 | 0 | 0.0 |
| 2024 Q1 | 0 | 0 | 0 |
Show 40 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 16 | 0 | 0 | 0.0 |
| 2023 Q3 | 24 | 0 | 0 | 0.0 |
| 2023 Q2 | 194 | 0 | 0 | 0.0 |
| 2023 Q1 | 16 | 0 | 0 | 0.0 |
| 2022 Q4 | 12 | 0 | 0 | 0.0 |
| 2022 Q3 | 16 | 0 | 0 | 0.0 |
| 2022 Q2 | 40 | 0 | 0 | 0.0 |
| 2022 Q1 | 360 | 0 | 0 | 0.0 |
| 2021 Q4 | 0 | 0 | 0 | |
| 2021 Q3 | 160 | 0 | 0 | 0.0 |
| 2021 Q2 | 0 | 0 | 0 | |
| 2021 Q1 | 0 | 0 | 0 | |
| 2020 Q4 | 0 | 1 | 0 | |
| 2020 Q3 | 8 | 0 | 0 | 0.0 |
| 2020 Q2 | 0 | 2 | 0 | |
| 2020 Q1 | 14 | 0 | 0 | 0.0 |
| 2019 Q4 | 25 | 0 | 0 | 0.0 |
| 2019 Q3 | 42 | 0 | 0 | 0.0 |
| 2019 Q2 | 20 | 1 | 1 | 50000.0 |
| 2019 Q1 | 8 | 0 | 0 | 0.0 |
| 2018 Q4 | 20 | 0 | 0 | 0.0 |
| 2018 Q3 | 360 | 3 | 0 | 8333.3 |
| 2018 Q2 | 168 | 0 | 0 | 0.0 |
| 2017 Q4 | 120 | 0 | 0 | 0.0 |
| 2017 Q3 | 30 | 0 | 0 | 0.0 |
| 2017 Q2 | 96 | 6 | 0 | 62500.0 |
| 2017 Q1 | 4 | 0 | 0 | 0.0 |
| 2016 Q4 | 42 | 0 | 0 | 0.0 |
| 2016 Q3 | 60 | 0 | 0 | 0.0 |
| 2016 Q2 | 90 | 2 | 0 | 22222.2 |
| 2016 Q1 | 100 | 0 | 0 | 0.0 |
| 2015 Q4 | 320 | 0 | 0 | 0.0 |
| 2015 Q3 | 180 | 2 | 0 | 11111.1 |
| 2015 Q1 | 740 | 0 | 0 | 0.0 |
| 2014 Q4 | 8 | 0 | 0 | 0.0 |
| 2014 Q3 | 110 | 0 | 0 | 0.0 |
| 2014 Q2 | 120 | 0 | 0 | 0.0 |
| 2013 Q4 | 8 | 0 | 0 | 0.0 |
| 2013 Q3 | 40 | 0 | 0 | 0.0 |
| 2013 Q2 | 160 | 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 Silva 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.