Alton PMD Metal/Non-Metal
Stockton Sand & Gravel
· Surface
Controlled by
Samuel S Sargent
Alton,
Penobscot County,
ME
·
Intermittent
MSHA Mine ID: 1700953
Alton PMD has $1K 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 2016
8
citations
3
significant & substantial
$1,216
proposed penalties
$1,216
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
15
inspections on record
125
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: 125 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Alton PMD has $1K 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.$1K
proposed penalties
$1K
current assessed
$1K
paid to date
$0
outstanding
8 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-07-30.
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 | 623 | 0 | 0 | 0.0 |
| 2025 Q3 | 709 | 2 | 1 | 2820.9 |
| 2025 Q2 | 687 | 0 | 0 | 0.0 |
| 2025 Q1 | 192 | 0 | 0 | 0.0 |
| 2024 Q4 | 641 | 0 | 0 | 0.0 |
| 2024 Q3 | 1,026 | 0 | 0 | 0.0 |
| 2024 Q2 | 713 | 0 | 0 | 0.0 |
| 2023 Q3 | 683 | 0 | 0 | 0.0 |
Show 33 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q2 | 743 | 0 | 0 | 0.0 |
| 2023 Q1 | 634 | 0 | 0 | 0.0 |
| 2022 Q4 | 694 | 0 | 0 | 0.0 |
| 2022 Q3 | 689 | 0 | 0 | 0.0 |
| 2022 Q2 | 1,440 | 0 | 0 | 0.0 |
| 2022 Q1 | 333 | 0 | 0 | 0.0 |
| 2021 Q4 | 700 | 0 | 0 | 0.0 |
| 2021 Q3 | 1,003 | 0 | 0 | 0.0 |
| 2021 Q2 | 1,150 | 0 | 0 | 0.0 |
| 2021 Q1 | 240 | 0 | 0 | 0.0 |
| 2020 Q4 | 682 | 0 | 0 | 0.0 |
| 2020 Q3 | 911 | 0 | 0 | 0.0 |
| 2020 Q2 | 1,079 | 0 | 0 | 0.0 |
| 2020 Q1 | 18 | 0 | 0 | 0.0 |
| 2019 Q4 | 626 | 2 | 1 | 3194.9 |
| 2019 Q3 | 698 | 0 | 0 | 0.0 |
| 2019 Q2 | 663 | 0 | 0 | 0.0 |
| 2019 Q1 | 13 | 0 | 0 | 0.0 |
| 2018 Q4 | 561 | 0 | 0 | 0.0 |
| 2018 Q3 | 720 | 0 | 0 | 0.0 |
| 2018 Q2 | 769 | 2 | 1 | 2600.8 |
| 2018 Q1 | 9 | 0 | 0 | 0.0 |
| 2017 Q4 | 465 | 0 | 0 | 0.0 |
| 2017 Q3 | 312 | 0 | 0 | 0.0 |
| 2017 Q2 | 662 | 0 | 0 | 0.0 |
| 2017 Q1 | 5 | 0 | 0 | 0.0 |
| 2016 Q4 | 279 | 1 | 0 | 3584.2 |
| 2016 Q3 | 419 | 0 | 0 | 0.0 |
| 2016 Q2 | 73 | 0 | 0 | 0.0 |
| 2016 Q1 | 0 | 0 | 0 | |
| 2015 Q4 | 502 | 0 | 0 | 0.0 |
| 2015 Q3 | 1,104 | 0 | 0 | 0.0 |
| 2015 Q2 | 773 | 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 Alton PMD
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.