Mining Incidents

ARAPAHOE COUNTY PIT: 1 reportable incident Metal/Non-Metal

Arapahoe County Road & Bridge · Surface
Controlled by Arapahoe County-Co
Arapahoe County, CO  ·  Abandoned
MSHA Mine ID: 0503269

MSHA record for ARAPAHOE COUNTY PIT (mine ID 0503269). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
1
Years on record
1984
Latest incident
Oct 1984
Inspection activity
MSHA inspections since 2000
1
inspections on record
4
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: 4 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Ownership history
  1. Arapahoe County 1979 to 1988
  2. Kiewit Western Company 1988 to 1991
  3. Arapahoe County Road & Bridge 1991 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2000 0
Source: MSHA quarterly employment and production, updated weekly.

ARAPAHOE COUNTY PIT sits in Arapahoe County, Colorado, where the Census mining category is 0.4% 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.
Arapahoe County, Colorado · Population 655,709
0.4%
Mining share of county employment
$97,215
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
2000 Q2 0 0 0
2000 Q1 0 0 0
No fatalities recorded at this mine.

Reportable incidents

1 on file

1984 · 1 incident

October 23, 1984 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Arapahoe County · Struck by falling object

PUSHING MUD OFF OF FEEDER BELT WHEN LARGE ROCK CAME OUTOF RETURN CHUTE. ROCK ROLLED OR BOUNCED DOWN CHUTE & HIT RIGHT HAND.