Mining Incidents

Tuppers Pit Metal/Non-Metal

Copp Excavation · Surface
Controlled by Michael S Copp
Durham, Androscoggin County, ME  ·  Intermittent
MSHA Mine ID: 1700808

Tuppers Pit has $23K in proposed MSHA penalties and $0 outstanding across 1 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 2006
88
citations
18
significant & substantial
$22,554
proposed penalties
$20,554
paid to date
91% of proposed penalties paid to date, a $2,000 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2006
37
inspections on record
461
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: 461 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Tuppers Pit has $23K 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.
$23K
proposed penalties
$21K
current assessed
$21K
paid to date
$0
outstanding
80 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-05-06.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
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 242 0 0 0.0
2025 Q3 357 0 0 0.0
2025 Q2 307 0 0 0.0
2025 Q1 215 0 0 0.0
2024 Q4 298 3 1 10067.1
2024 Q3 339 0 0 0.0
2024 Q2 375 0 0 0.0
2024 Q1 412 0 0 0.0
Show 68 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 391 0 0 0.0
2023 Q3 412 0 0 0.0
2023 Q2 399 2 0 5012.5
2023 Q1 255 0 0 0.0
2022 Q4 301 0 0 0.0
2022 Q3 490 0 0 0.0
2022 Q2 342 0 0 0.0
2022 Q1 327 0 0 0.0
2021 Q4 252 0 0 0.0
2021 Q3 391 0 0 0.0
2021 Q2 359 0 0 0.0
2021 Q1 272 0 0 0.0
2020 Q4 340 0 0 0.0
2020 Q3 378 0 0 0.0
2020 Q2 351 0 0 0.0
2020 Q1 261 0 0 0.0
2019 Q4 311 2 0 6430.9
2019 Q3 388 2 0 5154.6
2019 Q2 373 0 0 0.0
2019 Q1 251 0 0 0.0
2018 Q4 304 0 0 0.0
2018 Q3 394 2 0 5076.1
2018 Q2 379 0 0 0.0
2018 Q1 288 0 0 0.0
2017 Q4 330 0 0 0.0
2017 Q3 416 0 0 0.0
2017 Q1 262 0 0 0.0
2016 Q4 421 1 0 2375.3
2016 Q3 297 0 0 0.0
2016 Q2 264 3 0 11363.6
2016 Q1 259 0 0 0.0
2015 Q4 269 0 0 0.0
2015 Q3 298 0 0 0.0
2015 Q2 503 11 2 21868.8
2015 Q1 208 2 0 9615.4
2014 Q4 411 0 0 0.0
2014 Q3 409 1 1 2445.0
2014 Q2 444 0 0 0.0
2014 Q1 184 0 0 0.0
2013 Q4 383 13 4 33942.6
2013 Q3 383 0 0 0.0
2013 Q2 440 2 0 4545.5
2013 Q1 198 0 0 0.0
2012 Q4 401 3 0 7481.3
2012 Q3 473 6 1 12685.0
2012 Q2 456 0 0 0.0
2012 Q1 316 0 0 0.0
2011 Q4 494 4 1 8097.2
2011 Q3 529 0 0 0.0
2011 Q2 526 0 0 0.0
2011 Q1 521 0 0 0.0
2010 Q4 473 1 1 2114.2
2010 Q3 537 0 0 0.0
2010 Q2 511 0 0 0.0
2010 Q1 481 3 0 6237.0
2009 Q4 481 11 4 22869.0
2009 Q3 521 0 0 0.0
2009 Q2 561 0 0 0.0
2009 Q1 505 0 0 0.0
2008 Q4 645 1 0 1550.4
2008 Q3 738 0 0 0.0
2008 Q2 748 0 0 0.0
2008 Q1 567 0 0 0.0
2007 Q4 570 2 0 3508.8
2007 Q3 639 0 0 0.0
2007 Q2 600 0 0 0.0
2007 Q1 597 2 0 3350.1
2006 Q4 560 10 2 17857.1

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 Tuppers Pit

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.