Mining Incidents

Portable Hewitt 1 Metal/Non-Metal

Controlled by Mark R Evans
Derry, Rockingham County, NH  ·  Intermittent
MSHA Mine ID: 2700515

Portable Hewitt 1 has $18K in proposed MSHA penalties and $1K 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 2021
70
citations
14
significant & substantial
$17,954
proposed penalties
$16,897
paid to date
94% of proposed penalties paid to date, a $1,057 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2021
13
inspections on record
202
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: 202 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 Hewitt 1 has $18K in proposed MSHA penalties and $1K 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.
$18K
proposed penalties
$18K
current assessed
$17K
paid to date
$1K
outstanding
70 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-08-26.
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 Q3 636 7 0 11006.3
2025 Q2 251 0 0 0.0
2025 Q1 1,201 0 0 0.0
2024 Q4 901 1 0 1109.9
2024 Q3 501 7 1 13972.1
2024 Q2 101 0 0 0.0
2024 Q1 251 0 0 0.0
2023 Q4 251 0 0 0.0
Show 7 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q2 501 0 0 0.0
2023 Q1 601 0 0 0.0
2022 Q3 301 27 5 89701.0
2022 Q2 481 0 0 0.0
2022 Q1 201 0 0 0.0
2021 Q4 481 0 0 0.0
2021 Q3 481 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 Portable Hewitt 1

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.