Happy Valley Quarry has $11K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
6
Years on record
1999–2007
Latest incident
Oct 2007
Compliance record
MSHA citations since 2000
45
citations
21
significant & substantial
$11,173
proposed penalties
$11,173
paid to date
100% of proposed penalties paid to date, a $0 gap.
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: 235 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Happy Valley Quarry has $11K 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.
$11K
proposed penalties
$11K
current assessed
$11K
paid to date
$0
outstanding
45 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2008-01-31.
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 violations gravity and negligence coding, updated weekly.
Health sampling
ⓘA sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.
Metal and nonmetal contaminants (personal samples)
ⓘMany samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.
Last sampled: 2004-01-08, 22 years ago
0%
of limit-tested samples over the exposure limit
5
samples
5
limit-tested
Most sampled contaminants
Quartz, respirable, >1% Qtz3
Aluminum oxide fumes1
Arsenic fumes1
Beryllium fumes1
Show the individual readings (19)
Date
Contaminant
Concentration
Limit
Conc / limit
Occupation
2004-01-08
Quartz, respirable, >1% Qtz
0.84
2.67
0.31
Front-end Loader Operator
2004-01-08
Quartz, respirable, >1% Qtz
0.69
1.19
0.58
Laborer, Bullgang
2004-01-08
Quartz, respirable, >1% Qtz
0.32
0.84
0.38
Crusher Oper/Worker
2004-01-08
Aluminum oxide fumes
0.13
20
0.01
Welder, etc.
2004-01-08
Arsenic fumes
13.33
1500
0.01
Welder, etc.
2004-01-08
Beryllium fumes
0
6
0.00
Welder, etc.
2004-01-08
Cadmium oxide fumes
20
100
0.20
Welder, etc.
2004-01-08
Chromium, insoluble
0.02
3
0.01
Welder, etc.
2004-01-08
Cobalt fumes
13.33
300
0.04
Welder, etc.
2004-01-08
Copper fumes
20
300
0.07
Welder, etc.
2004-01-08
Iron oxide fumes
3.01
20
0.15
Welder, etc.
2004-01-08
Lead fumes
20
450
0.04
Welder, etc.
2004-01-08
Magnesium oxide fumes
0.02
20
0.00
Welder, etc.
2004-01-08
Manganese fumes
0.59
5
0.12
Welder, etc.
2004-01-08
Molybdenum fumes
0.02
20
0.00
Welder, etc.
2004-01-08
Nickel fumes
0.02
3
0.01
Welder, etc.
2004-01-08
Titanium dioxide fumes
0.1
20
0.01
Welder, etc.
2004-01-08
Vanadium fumes
13.33
50
0.27
Welder, etc.
2004-01-08
Zinc oxide fumes
0.07
10
0.01
Welder, etc.
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
Happy Valley Quarry recorded 7.74 reportable injury cases per 100 full-time workers in 2007.
Injury rate, 2007
ⓘThis rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.
7.74
total case rate
7.74
days-away rate
0.000
fatality rate
Above average. The US metal and nonmetal mining average was 3.30 and the all-US-mining average was 3.77 cases per 100 workers.
In Arizona, metal and nonmetal mining averaged 3.93 cases per 100 workers that year.
Under 100,000 employee-hours were reported that year, so a single case moves the rate by two or more. Read the figure as approximate.
Year
total case rate
days-away
fatal
2007 *
7.74
7.74
0.000
2005 *
16.92
16.92
0.000
2004 *
9.51
0.00
0.000
* Fewer than 100,000 employee-hours that year; the rate is less stable.
Source: injury cases from MSHA accident and injury records; employee-hours from MSHA quarterly employment reports. Rate is cases per 100 full-time-equivalent workers, operator employees only.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2010
2
2009
5
2008
7
2007
10
2006
9
2005
9
2004
7
2003
7
2002
5
2001
6
2000
5
Source: MSHA quarterly employment and production, updated weekly.
Happy Valley Quarry sits in Maricopa County, Arizona, where the Census mining category is 0.2% 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.
Maricopa County, Arizona · Population 4,491,987
0.2%
Mining share of county employment
$85,518
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
2010 Q1
520
0
0
0.0
2009 Q4
597
0
0
0.0
2009 Q1
2,480
0
0
0.0
2008 Q4
3,189
0
0
0.0
2008 Q3
4,001
0
0
0.0
2008 Q2
5,566
0
0
0.0
2008 Q1
4,492
1
0
222.6
2007 Q4
7,272
0
0
0.0
Show 30 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2007 Q3
5,782
0
0
0.0
2007 Q2
7,130
0
0
0.0
2007 Q1
5,640
2
1
354.6
2006 Q4
5,035
0
0
0.0
2006 Q3
856
0
0
0.0
2006 Q2
7,717
0
0
0.0
2006 Q1
6,000
0
0
0.0
2005 Q4
5,782
8
4
1383.6
2005 Q3
6,034
0
0
0.0
2005 Q2
5,965
4
3
670.6
2005 Q1
5,855
0
0
0.0
2004 Q4
5,700
0
0
0.0
2004 Q3
5,426
0
0
0.0
2004 Q2
5,595
0
0
0.0
2004 Q1
4,317
4
0
926.6
2003 Q4
5,545
1
0
180.3
2003 Q3
4,456
0
0
0.0
2003 Q2
4,707
0
0
0.0
2003 Q1
4,212
1
1
237.4
2002 Q4
3,169
0
0
0.0
2002 Q3
2,623
5
2
1906.2
2002 Q2
3,605
4
2
1109.6
2002 Q1
2,909
0
0
0.0
2001 Q4
2,888
0
0
0.0
2001 Q3
3,409
0
0
0.0
2001 Q2
3,812
0
0
0.0
2001 Q1
4,543
0
0
0.0
2000 Q4
3,801
3
1
789.3
2000 Q3
2,569
7
3
2724.8
2000 Q2
2,545
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
6 on file
2007 · 2 incidents
October 31, 2007AZ · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDLING OF MATERIALS
Two EE's were loading GT-60 drill steel from the ground onto a truck with a drill steel rack. The ground in the area was uneven and when they put it onto the truck, the drill steel dropped on EE's hand and smashed his knuckles. EE had pins inserted in that hand when he was 13 years old and stated the hand felt different, so we took him to the emergency room.
May 24, 2007AZ · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanSLIP OR FALL OF PERSON
While filling water truck, rock and dirt slid down embankment causing employee to be knocked from barrier he was standing on. He fell between water truck and barrier wall.
While attempting to reverse the rotation of an electrical motor, employee received flash burns to both eyes & minor burns to his rt. wrist. EE opened what he believed to be the correct circuit breaker. However, the wrong circuit breaker was in fact opened thus the power was not shut off to the motor. He was using a pair of needle nose pyiers to move the wires, explosion occurred.
1999 · 1 incident
January 15, 1999AZ · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDLING OF MATERIALS
MINER WAS ATTEMPTING TO ATTACH LIGHT PLANT TRAILER HITCH TO HITCH BALL. RATHER THAN USING CORRECT METHOD OF RAISING HITC WITH THE BUILTIN LIFTING DEVICE, AND THEN LOWERING ONTO THE HITCH BALL, THRE MINER INSTEAD WAS JUST OIFTING THE TRAILER ALL, TH EE INSTEAD WAS JUST LIFTING THE TRAILER TONGUE WITH HIS HANDS. HIS RT. HAND THEN WAS CAUGHT BETWEEN THE HITCXH & BALL, RESULTING IN A P