Mining Incidents

Portable #2: 6 MSHA citations Metal/Non-Metal

Allied Stone LLC · Surface
Anamosa, Jones County, IA  ·  Intermittent
MSHA Mine ID: 4703849

Portable #2 has $808 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 2022
6
citations
0
significant & substantial
$808
proposed penalties
$808
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2020
11
inspections on record
108
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: 108 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 #2 has $808 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.
$808
proposed penalties
$808
current assessed
$808
paid to date
$0
outstanding
6 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2023-04-04.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
0.0%
significant & substantial
0.0%
high negligence or reckless
0.0%
reasonably likely or greater
16.7%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 16.7% low, 83.3% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Ownership history
  1. Allied Stone LLC 2019 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 3
2025 3
2024 3
2023 2
2022 3
2021 2
2020 2
2019 2
Source: MSHA quarterly employment and production, updated weekly.

Portable #2 sits in Jones County, Iowa, where the Census mining category is 0.7% of county employment.

Local economic context
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Jones County, Iowa · Population 20,799
0.7%
Mining share of county employment
$73,071
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
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
2026 Q2 375 0 0 0.0
2026 Q1 158 0 0 0.0
2025 Q4 232 0 0 0.0
2025 Q3 262 0 0 0.0
2025 Q2 310 0 0 0.0
2025 Q1 218 0 0 0.0
2024 Q4 171 0 0 0.0
2024 Q3 329 0 0 0.0
Show 18 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 395 0 0 0.0
2024 Q1 229 0 0 0.0
2023 Q4 156 0 0 0.0
2023 Q3 193 0 0 0.0
2023 Q2 172 1 0 5814.0
2023 Q1 91 0 0 0.0
2022 Q4 261 0 0 0.0
2022 Q3 301 5 0 16611.3
2022 Q2 147 0 0 0.0
2022 Q1 151 0 0 0.0
2021 Q4 89 0 0 0.0
2021 Q2 51 0 0 0.0
2021 Q1 97 0 0 0.0
2020 Q4 113 0 0 0.0
2020 Q3 167 0 0 0.0
2020 Q2 88 0 0 0.0
2019 Q3 257 0 0 0.0
2019 Q2 334 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.