N.H.D. Pit Metal/Non-Metal
The Lynn Corporation C/O BARRON
· Surface
Controlled by
Bonnie Barron
Preston,
New London County,
CT
·
Intermittent
MSHA Mine ID: 0600774
N.H.D. Pit has $2K 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 2012
14
citations
1
significant & substantial
$1,521
proposed penalties
$1,521
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2012
17
inspections on record
179
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: 179 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
N.H.D. Pit has $2K 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.$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
14 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-03-19.
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 | 625 | 0 | 0 | 0.0 |
| 2025 Q2 | 600 | 0 | 0 | 0.0 |
| 2025 Q1 | 105 | 0 | 0 | 0.0 |
| 2024 Q4 | 200 | 0 | 0 | 0.0 |
| 2024 Q3 | 500 | 0 | 0 | 0.0 |
| 2024 Q2 | 470 | 0 | 0 | 0.0 |
| 2024 Q1 | 200 | 0 | 0 | 0.0 |
| 2023 Q4 | 425 | 0 | 0 | 0.0 |
Show 45 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q3 | 530 | 0 | 0 | 0.0 |
| 2023 Q2 | 595 | 0 | 0 | 0.0 |
| 2023 Q1 | 400 | 0 | 0 | 0.0 |
| 2022 Q4 | 165 | 0 | 0 | 0.0 |
| 2022 Q3 | 220 | 0 | 0 | 0.0 |
| 2022 Q2 | 330 | 0 | 0 | 0.0 |
| 2022 Q1 | 49 | 0 | 0 | 0.0 |
| 2021 Q4 | 160 | 0 | 0 | 0.0 |
| 2021 Q3 | 300 | 0 | 0 | 0.0 |
| 2021 Q2 | 290 | 1 | 0 | 3448.3 |
| 2021 Q1 | 15 | 0 | 0 | 0.0 |
| 2020 Q4 | 200 | 0 | 0 | 0.0 |
| 2020 Q3 | 120 | 0 | 0 | 0.0 |
| 2020 Q2 | 52 | 0 | 0 | 0.0 |
| 2020 Q1 | 20 | 0 | 0 | 0.0 |
| 2019 Q4 | 670 | 0 | 0 | 0.0 |
| 2019 Q3 | 600 | 1 | 0 | 1666.7 |
| 2019 Q2 | 98 | 0 | 0 | 0.0 |
| 2019 Q1 | 25 | 0 | 0 | 0.0 |
| 2018 Q4 | 115 | 0 | 0 | 0.0 |
| 2018 Q3 | 375 | 0 | 0 | 0.0 |
| 2018 Q2 | 325 | 0 | 0 | 0.0 |
| 2018 Q1 | 20 | 0 | 0 | 0.0 |
| 2017 Q4 | 350 | 0 | 0 | 0.0 |
| 2017 Q3 | 570 | 1 | 0 | 1754.4 |
| 2017 Q2 | 210 | 0 | 0 | 0.0 |
| 2017 Q1 | 50 | 0 | 0 | 0.0 |
| 2016 Q4 | 325 | 0 | 0 | 0.0 |
| 2016 Q3 | 640 | 0 | 0 | 0.0 |
| 2016 Q2 | 1,240 | 1 | 0 | 806.5 |
| 2016 Q1 | 30 | 0 | 0 | 0.0 |
| 2015 Q4 | 580 | 0 | 0 | 0.0 |
| 2015 Q3 | 857 | 1 | 0 | 1166.9 |
| 2015 Q2 | 750 | 0 | 0 | 0.0 |
| 2015 Q1 | 10 | 0 | 0 | 0.0 |
| 2014 Q4 | 20 | 0 | 0 | 0.0 |
| 2014 Q3 | 10 | 0 | 0 | 0.0 |
| 2014 Q2 | 65 | 0 | 0 | 0.0 |
| 2014 Q1 | 25 | 0 | 0 | 0.0 |
| 2013 Q4 | 775 | 0 | 0 | 0.0 |
| 2013 Q3 | 405 | 1 | 0 | 2469.1 |
| 2013 Q2 | 600 | 0 | 0 | 0.0 |
| 2013 Q1 | 20 | 0 | 0 | 0.0 |
| 2012 Q4 | 880 | 0 | 0 | 0.0 |
| 2012 Q3 | 690 | 7 | 1 | 10144.9 |
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 N.H.D. 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.