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: 41 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
MARENGO PLANT has $330 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.
$330
proposed penalties
$330
current assessed
$330
paid to date
$0
outstanding
6 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2002-05-21.
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.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2003
0
2002
2
2001
4
2000
5
Source: MSHA quarterly employment and production, updated weekly.
MARENGO PLANT sits in McHenry County, Illinois, where the Census mining category is 0.1% 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.
McHenry County, Illinois · Population 311,366
0.1%
Mining share of county employment
$102,836
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
2003 Q3
0
0
0
2003 Q2
0
0
0
2003 Q1
0
0
0
2002 Q4
0
0
0
2002 Q3
2,046
0
0
0.0
2002 Q2
1,202
2
0
1663.9
2002 Q1
0
0
0
2001 Q4
1,608
0
0
0.0
Show 5 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2001 Q3
2,325
3
0
1290.3
2001 Q2
732
0
0
0.0
2001 Q1
0
0
0
2000 Q3
3,478
1
0
287.5
2000 Q2
2,712
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
6 on file
1992 · 1 incident
July 21, 1992IL · Metal/Non-Metalbarge/boat/dredge/towbarge/towboat/leach operator, riverman, deck handHANDLING OF MATERIALS