Portable Plant: 13 MSHA citations Metal/Non-Metal
Portable Plant has no reportable incidents on file with MSHA. MSHA has proposed $3K in penalties since 2016.
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2016
13
citations
1
significant & substantial
$3,022
proposed penalties
$3,022
paid to date
100% of proposed penalties paid to date. The remaining $0 was reduced, settled, contested or is still owed.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2016
14
inspections on record
185
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: 185 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Portable Plant has $3K in proposed MSHA penalties and $0 outstanding across 1 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.$3K
proposed penalties
$3K
current assessed
$3K
paid to date
$0
outstanding
7 assessments are final orders; 1 contested dockets.
Of $114 in penalties contested before the Commission, $114 was upheld in final decisions.
As of the most recent assessment on 2026-08-12.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
ⓘ
Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.7.7%
significant & substantial
23.1%
high negligence or reckless
7.7%
reasonably likely or greater
38.5%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 46.2% low, 30.8% moderate, 23.1% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
When citations were contested
ⓘ
Contesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
1
citations taken to the federal commission · 8% of citations on record
- Settled 1 · 100%
0%
Penalty reduction in decided contests
$114 proposed, $114 after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2017-01-19.
Contested penalties
ⓘ
A reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
| Docket | Decision | Judge | Year | Proposed / upheld |
|---|---|---|---|---|
| YORK 2017-0058 | Settlement | Lesnick | 2017 | $114 → $114 |
Source: FMSHRC civil penalty dockets and decisions (public record), updated weekly.
Ownership history
- Mike Theriault Construction, LLC 2016 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 2026 | 2 |
| 2025 | 1 |
| 2024 | 1 |
| 2023 | 2 |
| 2022 | 2 |
| 2021 | 2 |
| 2020 | 2 |
| 2019 | 2 |
| 2018 | 3 |
| 2017 | 4 |
Source: MSHA quarterly employment and production, updated weekly; years before 2000 come from MSHA's archived Part 50 employment files.
Portable Plant sits in Piscataquis County, Maine, where the Census mining category is 0.0% of county employment.
Local economic context
ⓘ
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.Piscataquis County, Maine · Population 17,125
0.0%
Mining share of county employment
$55,234
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
Quarterly safety rates
ⓘ
Citations per million reported employee-hours. Rates begin in 2000; earlier incidents are counted but not rate-adjusted, though reported hours reach back to 1983. 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 |
|---|---|---|---|---|
| 2026 Q2 | 36 | 0 | 0 | 0.0 |
| 2026 Q1 | 1 | 0 | 0 | 0.0 |
| 2025 Q4 | 1 | 0 | 0 | 0.0 |
| 2025 Q3 | 1 | 0 | 0 | 0.0 |
| 2025 Q2 | 1 | 0 | 0 | 0.0 |
| 2025 Q1 | 1 | 0 | 0 | 0.0 |
| 2024 Q4 | 1 | 0 | 0 | 0.0 |
| 2024 Q3 | 2 | 0 | 0 | 0.0 |
Show 28 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2024 Q2 | 2 | 0 | 0 | 0.0 |
| 2024 Q1 | 1 | 0 | 0 | 0.0 |
| 2023 Q4 | 1 | 1 | 0 | 1000000.0 |
| 2023 Q3 | 17 | 1 | 0 | 58823.5 |
| 2023 Q2 | 23 | 0 | 0 | 0.0 |
| 2023 Q1 | 1 | 0 | 0 | 0.0 |
| 2022 Q4 | 1 | 0 | 0 | 0.0 |
| 2022 Q3 | 78 | 0 | 0 | 0.0 |
| 2022 Q2 | 41 | 0 | 0 | 0.0 |
| 2022 Q1 | 1 | 0 | 0 | 0.0 |
| 2021 Q4 | 1 | 0 | 0 | 0.0 |
| 2021 Q3 | 14 | 0 | 0 | 0.0 |
| 2021 Q2 | 47 | 0 | 0 | 0.0 |
| 2021 Q1 | 1 | 0 | 0 | 0.0 |
| 2020 Q4 | 1 | 0 | 0 | 0.0 |
| 2020 Q3 | 220 | 0 | 0 | 0.0 |
| 2020 Q2 | 56 | 0 | 0 | 0.0 |
| 2020 Q1 | 1 | 0 | 0 | 0.0 |
| 2019 Q4 | 72 | 0 | 0 | 0.0 |
| 2019 Q3 | 231 | 0 | 0 | 0.0 |
| 2019 Q2 | 84 | 0 | 0 | 0.0 |
| 2019 Q1 | 1 | 0 | 0 | 0.0 |
| 2018 Q4 | 102 | 1 | 0 | 9803.9 |
| 2018 Q3 | 124 | 0 | 0 | 0.0 |
| 2018 Q2 | 52 | 0 | 0 | 0.0 |
| 2018 Q1 | 2 | 0 | 0 | 0.0 |
| 2017 Q4 | 88 | 0 | 0 | 0.0 |
| 2017 Q3 | 12 | 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.