Mining Incidents

PORTABLE DRILL DEPT 510 Metal/Non-Metal

Controlled by Manaco Corporation
DEWITT, Cerro Gordo County, IA  ·  Abandoned
MSHA Mine ID: 1302494

PORTABLE DRILL DEPT 510 has $125 in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

Watch this mine

Email me when a new MSHA incident is filed at PORTABLE DRILL DEPT 510.

Fatalities
0
Total incidents
0
Years on record
Latest incident
Compliance record
MSHA citations since 2020
1
citations
0
significant & substantial
$125
proposed penalties
$125
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
66
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: 66 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 DRILL DEPT 510 has $125 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.
$125
proposed penalties
$125
current assessed
$125
paid to date
$0
outstanding
1 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2020-12-21.
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 603 0 0 0.0
2025 Q3 674 0 0 0.0
2025 Q2 541 0 0 0.0
2025 Q1 552 0 0 0.0
2024 Q4 503 0 0 0.0
2024 Q3 604 0 0 0.0
2024 Q2 651 0 0 0.0
2024 Q1 537 0 0 0.0
Show 13 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 513 0 0 0.0
2023 Q3 646 0 0 0.0
2023 Q2 594 0 0 0.0
2023 Q1 422 0 0 0.0
2022 Q4 544 0 0 0.0
2022 Q3 614 0 0 0.0
2022 Q2 691 0 0 0.0
2022 Q1 587 0 0 0.0
2021 Q4 703 0 0 0.0
2021 Q3 637 0 0 0.0
2021 Q2 628 0 0 0.0
2021 Q1 578 0 0 0.0
2020 Q4 685 1 0 1459.9

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 PORTABLE DRILL DEPT 510

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.