Cal-Grade Inc operator
Controlled by
Karen R Blue; Maureen E Zills
MSHA operator ID: L16957
- Fatalities
- 0
- Total incidents
- 1
- Mines on record
- 1
- Years on record
- 2001
Compliance record
MSHA citations since 2001
126
citations
26
significant & substantial
$17,865
proposed penalties
$14,122
paid to date
79% of proposed penalties paid to date, a $3,743 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
62
inspections on record
885
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: 885 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
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
$14K
current assessed
$14K
paid to date
$0
outstanding
126 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2026-03-03.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- POWERED HAULAGE 1 non-fatal
Incident timeline
2001
1
Mines on record
Watch this operator
Email me when a new MSHA incident is filed at any Cal-Grade Inc mine.
For insurers, brokers, and safety consultants
The full compliance file on Cal-Grade Inc
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.