Unit No. 21 Metal/Non-Metal
Yahara Materials Inc.
· Surface
Controlled by
Larry Burcalow
WAUNAKEE,
Dane County,
WI
·
Intermittent
MSHA Mine ID: 4703904
Unit No. 21 has $294 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 Unit No. 21.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2024
2
citations
1
significant & substantial
$294
proposed penalties
$294
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
7
inspections on record
42
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: 42 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Unit No. 21 has $294 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.$294
proposed penalties
$294
current assessed
$294
paid to date
$0
outstanding
2 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2024-07-30.
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 | 0 | 0 | 0 | |
| 2025 Q3 | 617 | 0 | 0 | 0.0 |
| 2025 Q2 | 378 | 0 | 0 | 0.0 |
| 2025 Q1 | 141 | 0 | 0 | 0.0 |
| 2024 Q4 | 487 | 0 | 0 | 0.0 |
| 2024 Q3 | 706 | 2 | 1 | 2832.9 |
| 2024 Q2 | 900 | 0 | 0 | 0.0 |
| 2024 Q1 | 373 | 0 | 0 | 0.0 |
Show 10 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 407 | 0 | 0 | 0.0 |
| 2023 Q3 | 885 | 0 | 0 | 0.0 |
| 2023 Q2 | 661 | 0 | 0 | 0.0 |
| 2023 Q1 | 199 | 0 | 0 | 0.0 |
| 2022 Q4 | 525 | 0 | 0 | 0.0 |
| 2022 Q3 | 1,229 | 0 | 0 | 0.0 |
| 2022 Q2 | 566 | 0 | 0 | 0.0 |
| 2022 Q1 | 155 | 0 | 0 | 0.0 |
| 2021 Q4 | 697 | 0 | 0 | 0.0 |
| 2021 Q3 | 544 | 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 Unit No. 21
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.