Mining Incidents

Chili Gulch Rock: 1 MSHA citation Metal/Non-Metal

Controlled by Sherri Mognaga
Calaveras, Calaveras County, CA  ·  Abandoned
MSHA Mine ID: 0404909

Chili Gulch Rock has no reportable incidents on file with MSHA. MSHA has proposed $147 in penalties since 2024.

Watch this mine

Email me when a new MSHA incident is filed at Chili Gulch Rock.

Fatalities
0
Total incidents
0
Years on record
—
Latest incident
—
Compliance record
MSHA citations since 2024
1
citations
0
significant & substantial
$147
proposed penalties
$147
paid to date
100% of proposed penalties paid to date. The remaining $0 was reduced, settled, contested or is still owed.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2023
3
inspections on record
23
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: 23 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Chili Gulch Rock has $147 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.
$147
proposed penalties
$147
current assessed
$147
paid to date
$0
outstanding
1 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2024-08-28.
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.
0.0%
significant & substantial
0.0%
high negligence or reckless
0.0%
reasonably likely or greater
0.0%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 100.0% low, 0.0% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Ownership history
  1. Wolin & Sons Inc 1987 to 2022
  2. Kellog Creek Aggregates Inc 2022 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2025 1
2024 2
2023 2
2022 2
1995 2
1994 3
1993 4
1992 4
1991 5
1990 8
1989 10
1988 7
1987 6
Source: MSHA quarterly employment and production, updated weekly; years before 2000 come from MSHA's archived Part 50 employment files.

Chili Gulch Rock sits in Calaveras County, California, 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.
Calaveras County, California · Population 45,995
0.3%
Mining share of county employment
$79,877
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; earlier incidents are counted but not rate-adjusted, though reported hours reach back to 1983. 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
2025 Q2 234 0 0 0.0
2025 Q1 60 0 0 0.0
2024 Q4 52 0 0 0.0
2024 Q3 130 1 0 7692.3
2024 Q2 121 0 0 0.0
2024 Q1 173 0 0 0.0
2023 Q4 214 0 0 0.0
2023 Q3 197 0 0 0.0
Show 3 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q2 284 0 0 0.0
2023 Q1 248 0 0 0.0
2022 Q4 816 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.