Mining Incidents

Hidden Valley Metal/Non-Metal

Controlled by Colas S A
Juneau, Juneau County, AK  ·  Intermittent
MSHA Mine ID: 5001861

Hidden Valley has $14K 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 2008
10
citations
6
significant & substantial
$14,314
proposed penalties
$5,983
paid to date
42% of proposed penalties paid to date, a $8,331 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2008
9
inspections on record
72
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: 72 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Hidden Valley has $14K 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.
$14K
proposed penalties
$6K
current assessed
$6K
paid to date
$0
outstanding
10 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2008-04-30.
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 228 0 0 0.0
2025 Q3 917 0 0 0.0
2025 Q2 230 0 0 0.0
2025 Q1 0 0 0
2024 Q4 354 0 0 0.0
2024 Q3 1,936 0 0 0.0
2024 Q2 1,706 0 0 0.0
2024 Q1 231 0 0 0.0
Show 23 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 90 0 0 0.0
2023 Q3 449 0 0 0.0
2023 Q2 832 0 0 0.0
2023 Q1 0 0 0
2022 Q4 0 0 0
2022 Q3 1,014 0 0 0.0
2022 Q2 772 0 0 0.0
2022 Q1 137 0 0 0.0
2021 Q4 0 0 0
2021 Q3 147 0 0 0.0
2021 Q2 0 0 0
2021 Q1 367 0 0 0.0
2020 Q4 0 0 0
2020 Q3 303 0 0 0.0
2009 Q2 88 0 0 0.0
2009 Q1 0 0 0
2008 Q4 23 0 0 0.0
2008 Q3 81 0 0 0.0
2008 Q2 1,114 10 6 8976.7
2008 Q1 357 0 0 0.0
2007 Q4 1,174 0 0 0.0
2007 Q3 2,438 0 0 0.0
2007 Q2 1,798 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 Hidden Valley

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.