Plant #20 Metal/Non-Metal
Yahara Materials Inc.
· Surface
Controlled by
Larry Burcalow
Waunakee,
Dane County,
WI
·
Intermittent
MSHA Mine ID: 4703887
Plant #20 has $828 in proposed MSHA penalties and $0 outstanding across 0 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 2021
6
citations
1
significant & substantial
$828
proposed penalties
$828
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2021
5
inspections on record
61
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: 61 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Plant #20 has $828 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.$828
proposed penalties
$828
current assessed
$828
paid to date
$0
outstanding
6 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-06-11.
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 | 370 | 0 | 0 | 0.0 |
| 2025 Q3 | 0 | 0 | 0 | |
| 2025 Q2 | 1,079 | 2 | 0 | 1853.6 |
| 2025 Q1 | 432 | 0 | 0 | 0.0 |
| 2024 Q4 | 914 | 0 | 0 | 0.0 |
| 2024 Q3 | 893 | 0 | 0 | 0.0 |
| 2024 Q2 | 87 | 0 | 0 | 0.0 |
| 2024 Q1 | 0 | 0 | 0 |
Show 12 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 0 | 0 | 0 | |
| 2023 Q3 | 297 | 1 | 0 | 3367.0 |
| 2023 Q2 | 1,211 | 0 | 0 | 0.0 |
| 2023 Q1 | 101 | 0 | 0 | 0.0 |
| 2022 Q4 | 388 | 0 | 0 | 0.0 |
| 2022 Q3 | 1,183 | 1 | 0 | 845.3 |
| 2022 Q2 | 758 | 0 | 0 | 0.0 |
| 2022 Q1 | 76 | 0 | 0 | 0.0 |
| 2021 Q4 | 952 | 0 | 0 | 0.0 |
| 2021 Q3 | 1,328 | 0 | 0 | 0.0 |
| 2021 Q2 | 1,204 | 2 | 1 | 1661.1 |
| 2021 Q1 | 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 Plant #20
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.