What are Kiewit Mining Group's MSHA penalties?

Kiewit Mining Group has $99K in proposed MSHA penalties on record, $68K paid, and $26K outstanding.

Kiewit Mining Group: 144 MSHA citations operator

MSHA operator ID: Z468

Kiewit Mining Group has no reportable incidents on file with MSHA. MSHA has proposed $99K in penalties since 2010, with $26K outstanding.

Watch this operator

Email me when a new MSHA incident is filed at any Kiewit Mining Group mine.

Fatalities: 0
Total incidents: 0
Mines on record: 0
Years on record: —

Compliance record

MSHA citations since 2010

144

citations

significant & substantial

$98,835

proposed penalties

$68,436

paid to date

69% of proposed penalties paid to date, a $30,399 gap.

Source: MSHA violations 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.

$99K

proposed penalties

$95K

current assessed

$68K

paid to date

$26K

outstanding

131 assessments are final orders; 6 contested dockets.

Of $14K in penalties contested before the Commission, $8K was upheld in final decisions.

As of the most recent assessment on 2026-08-18.

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.

9.8%

significant & substantial

4.2%

high negligence or reckless

9.8%

reasonably likely or greater

41.3%

permanently disabling or fatal if injury occurs

Negligence coding: 0.7% none, 16.1% low, 79.0% moderate, 4.2% high, 0.0% reckless.

Source: MSHA violations gravity and negligence coding, updated weekly.

When citations were contested

ⓘ

Contesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.

11 citations taken to the federal commission · 8% of citations on record

Settled 10 · 91%
Still open 1 · 9%

100%

S&S designation survived the contest

ⓘ

Counts a Significant & Substantial citation as surviving when a settlement or judge's decision kept the designation, or the contest was dismissed or defaulted so the citation stands as issued. Vacated and withdrawn citations, and settlements that removed the designation, count against.

of 4 decided S&S contests · industry: 79%

36%

Penalty reduction in decided contests

$12K proposed, $8K after decisions · industry: 39%

Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2026-03-17. Vacated and withdrawn citations are removed from the file this view attributes through, so that outcome is slightly undercounted here.

Contested penalties

ⓘ

A reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.

Largest penalties this operator contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.

Docket	Decision	Judge	Year	Proposed / upheld
WEST 2024-0308	Settlement	McCarthy	2025	$7K → $4K
WEST 2025-0311	Settlement	Paez	2025	$4K → $3K
WEST 2025-0227	Settlement	Simonton	2025	$2K → $504
WEST 2023-0053	Settlement	Voisin	2024	$349 → $155
WEST 2023-0051	Settlement	Voisin	2024	$155 → $155
WEST 2026-0157				Decision pending

Source: FMSHRC civil penalty dockets and decisions (public record), updated weekly.

No reportable incidents on file.

MSHA has no recorded reportable accidents associated with this operator.

For insurers, brokers, and safety consultants

Where Kiewit Mining Group stands on silica, penalties, and injury rate

MSHA's standard limits respirable silica to 50 micrograms per cubic metre, but MSHA publishes dust and quartz as separate files and never the silica figure itself. We derive it per sample, score it against the limit, and set the operator's injury rate against a benchmark built from the full MSHA operator record. With the 26-year penalty trail, contest posture, and fatality history. Delivered as a PDF with the underlying data as CSV.

The federal record itself stays free on this site. What costs money, and why.

See a sample report Need a different cut of the data? Ask us