Mining Incidents

Gold Hill mill Metal/Non-Metal

Colorado Milling Company, LLC · Facility
Controlled by Mark A Steen
Boulder, Boulder County, CO  ·  Abandoned
MSHA Mine ID: 0505034

MSHA record for Gold Hill mill (mine ID 0505034). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
0
Years on record
Latest incident
Ownership history
  1. Colorado Milling Company, LLC 2014 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2017 5
2016 4
2015 2
2014 4
Source: MSHA quarterly employment and production, updated weekly.

Gold Hill mill sits in Boulder County, Colorado, where the Census mining category is 0.3% 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.
Boulder County, Colorado · Population 328,317
0.3%
Mining share of county employment
$102,772
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
2017 Q2 1,097 0 0 0.0
2017 Q1 930 0 0 0.0
2016 Q4 1,285 0 0 0.0
2016 Q1 1,032 0 0 0.0
2015 Q2 537 0 0 0.0
2015 Q1 694 0 0 0.0
2014 Q4 740 0 0 0.0

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.