Nokomis Quarry Company operator
Controlled by
Stephanie Prosser; Stacy Walsh
MSHA operator ID: L08404
- Fatalities
- 0
- Total incidents
- 11
- Mines on record
- 1
- Years on record
- 1988–2025
Compliance record
MSHA citations since 2001
251
citations
23
significant & substantial
$78,699
proposed penalties
$59,913
paid to date
76% of proposed penalties paid to date, a $18,786 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
83
inspections on record
1,748
inspection hours
14.4
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.251 citations across 1,748 inspection hours.
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.$79K
proposed penalties
$61K
current assessed
$60K
paid to date
$610
outstanding
247 assessments are final orders; 17 contested dockets.
As of the most recent assessment on 2026-05-26.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- SLIP OR FALL OF PERSON 6 non-fatal
- ELECTRICAL 1 non-fatal
- HANDLING OF MATERIALS 1 non-fatal
- HANDTOOLS (NONPOWERED) 1 non-fatal
- POWERED HAULAGE 1 non-fatal
- STEPPING OR KNEELING ON OBJECT 1 non-fatal
Incident timeline
2025
1
2009
1
2008
1
2004
1
1999
2
1995
1
1994
1
1993
1
1991
1
1988
1
Mines on record
Watch this operator
Email me when a new MSHA incident is filed at any Nokomis Quarry Company mine.
For insurers, brokers, and safety consultants
The full compliance file on Nokomis Quarry Company
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.