Plant #99 Metal/Non-Metal
Controlled by
Mathy Construction Company
Plain,
Sauk County,
WI
·
Intermittent
MSHA Mine ID: 4703726
Plant #99 has $300 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 2015
3
citations
2
significant & substantial
$300
proposed penalties
$300
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2015
11
inspections on record
94
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: 94 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 #99 has $300 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.$300
proposed penalties
$300
current assessed
$300
paid to date
$0
outstanding
3 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2015-06-16.
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 | 1 | 0 | 0 | 0.0 |
| 2025 Q3 | 0 | 0 | 0 | |
| 2025 Q2 | 1 | 0 | 0 | 0.0 |
| 2025 Q1 | 573 | 0 | 0 | 0.0 |
| 2024 Q4 | 4,104 | 0 | 0 | 0.0 |
| 2024 Q3 | 5,680 | 0 | 0 | 0.0 |
| 2024 Q2 | 5,654 | 0 | 0 | 0.0 |
| 2024 Q1 | 3,641 | 0 | 0 | 0.0 |
Show 33 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 4,069 | 0 | 0 | 0.0 |
| 2023 Q3 | 4,953 | 0 | 0 | 0.0 |
| 2023 Q2 | 5,233 | 0 | 0 | 0.0 |
| 2023 Q1 | 2,975 | 0 | 0 | 0.0 |
| 2022 Q4 | 3,008 | 0 | 0 | 0.0 |
| 2022 Q3 | 4,703 | 0 | 0 | 0.0 |
| 2022 Q2 | 4,028 | 0 | 0 | 0.0 |
| 2022 Q1 | 2,529 | 0 | 0 | 0.0 |
| 2021 Q4 | 1 | 0 | 0 | 0.0 |
| 2021 Q3 | 1 | 0 | 0 | 0.0 |
| 2021 Q2 | 1 | 0 | 0 | 0.0 |
| 2021 Q1 | 1,989 | 0 | 0 | 0.0 |
| 2019 Q3 | 0 | 0 | 0 | |
| 2019 Q2 | 0 | 0 | 0 | |
| 2019 Q1 | 0 | 0 | 0 | |
| 2018 Q4 | 0 | 0 | 0 | |
| 2018 Q3 | 0 | 0 | 0 | |
| 2018 Q2 | 0 | 0 | 0 | |
| 2018 Q1 | 0 | 0 | 0 | |
| 2017 Q4 | 672 | 0 | 0 | 0.0 |
| 2017 Q3 | 888 | 0 | 0 | 0.0 |
| 2017 Q2 | 1,769 | 0 | 0 | 0.0 |
| 2017 Q1 | 548 | 0 | 0 | 0.0 |
| 2016 Q4 | 1,335 | 0 | 0 | 0.0 |
| 2016 Q3 | 1,225 | 0 | 0 | 0.0 |
| 2016 Q2 | 495 | 0 | 0 | 0.0 |
| 2016 Q1 | 0 | 0 | 0 | |
| 2015 Q4 | 1,035 | 0 | 0 | 0.0 |
| 2015 Q3 | 1,885 | 0 | 0 | 0.0 |
| 2015 Q2 | 973 | 3 | 2 | 3083.2 |
| 2015 Q1 | 0 | 0 | 0 | |
| 2014 Q4 | 0 | 0 | 0 | |
| 2014 Q3 | 844 | 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 Plant #99
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.