Unit #2-Kolman-Portable Metal/Non-Metal
Dawson Construction
· Surface
Controlled by
Nathan Dawson; Dianne Dawson
Madison,
Miner County,
SD
·
Intermittent
MSHA Mine ID: 3901590
Unit #2-Kolman-Portable has $4K 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 #2-Kolman-Portable.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2015
22
citations
8
significant & substantial
$3,959
proposed penalties
$3,959
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
149
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: 149 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 #2-Kolman-Portable has $4K 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.$4K
proposed penalties
$4K
current assessed
$4K
paid to date
$0
outstanding
22 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-06-17.
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 | 0 | 0 | 0 | |
| 2025 Q2 | 10 | 2 | 0 | 200000.0 |
| 2025 Q1 | 0 | 0 | 0 | |
| 2024 Q4 | 21 | 0 | 0 | 0.0 |
| 2024 Q3 | 215 | 1 | 0 | 4651.2 |
| 2024 Q2 | 100 | 0 | 0 | 0.0 |
| 2024 Q1 | 0 | 0 | 0 |
Show 46 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 216 | 0 | 0 | 0.0 |
| 2023 Q3 | 302 | 0 | 0 | 0.0 |
| 2023 Q2 | 107 | 2 | 0 | 18691.6 |
| 2023 Q1 | 0 | 0 | 0 | |
| 2022 Q4 | 184 | 0 | 0 | 0.0 |
| 2022 Q3 | 240 | 0 | 0 | 0.0 |
| 2022 Q2 | 0 | 0 | 0 | |
| 2022 Q1 | 0 | 0 | 0 | |
| 2021 Q4 | 85 | 0 | 0 | 0.0 |
| 2021 Q3 | 185 | 0 | 0 | 0.0 |
| 2021 Q2 | 150 | 3 | 0 | 20000.0 |
| 2021 Q1 | 0 | 0 | 0 | |
| 2020 Q4 | 80 | 0 | 0 | 0.0 |
| 2020 Q3 | 180 | 0 | 0 | 0.0 |
| 2020 Q2 | 50 | 0 | 0 | 0.0 |
| 2020 Q1 | 0 | 0 | 0 | |
| 2019 Q4 | 160 | 9 | 7 | 56250.0 |
| 2019 Q3 | 40 | 0 | 0 | 0.0 |
| 2019 Q2 | 20 | 0 | 0 | 0.0 |
| 2019 Q1 | 0 | 0 | 0 | |
| 2018 Q4 | 50 | 0 | 0 | 0.0 |
| 2018 Q3 | 150 | 1 | 0 | 6666.7 |
| 2018 Q2 | 40 | 0 | 0 | 0.0 |
| 2018 Q1 | 0 | 0 | 0 | |
| 2017 Q4 | 200 | 0 | 0 | 0.0 |
| 2017 Q3 | 200 | 2 | 1 | 10000.0 |
| 2017 Q2 | 0 | 0 | 0 | |
| 2017 Q1 | 0 | 0 | 0 | |
| 2016 Q4 | 50 | 0 | 0 | 0.0 |
| 2016 Q3 | 100 | 1 | 0 | 10000.0 |
| 2016 Q2 | 5 | 0 | 0 | 0.0 |
| 2016 Q1 | 0 | 0 | 0 | |
| 2015 Q4 | 100 | 0 | 0 | 0.0 |
| 2015 Q3 | 200 | 0 | 0 | 0.0 |
| 2015 Q2 | 50 | 1 | 0 | 20000.0 |
| 2015 Q1 | 0 | 0 | 0 | |
| 2014 Q4 | 10 | 0 | 0 | 0.0 |
| 2014 Q3 | 100 | 0 | 0 | 0.0 |
| 2014 Q2 | 0 | 0 | 0 | |
| 2014 Q1 | 0 | 0 | 0 | |
| 2013 Q4 | 50 | 0 | 0 | 0.0 |
| 2013 Q3 | 200 | 0 | 0 | 0.0 |
| 2013 Q2 | 20 | 0 | 0 | 0.0 |
| 2013 Q1 | 0 | 0 | 0 | |
| 2012 Q4 | 22 | 0 | 0 | 0.0 |
| 2012 Q3 | 52 | 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 #2-Kolman-Portable
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.