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Rockhill Quarry: 3 MSHA citations Metal/Non-Metal

Controlled by Heidelberg Materials AG
Rockhill, Bucks County, PA  ·  Abandoned
MSHA Mine ID: 3600090

Rockhill Quarry has $354 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
1
Years on record
2018
Latest incident
Dec 2018
Compliance record
MSHA citations since 2018
3
citations
1
significant & substantial
$354
proposed penalties
$354
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
See Heidelberg Materials Northeast LLC.'s full MSHA compliance history →
Inspection activity
MSHA inspections since 2018
4
inspections on record
32
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: 32 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Rockhill Quarry has $354 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.
$354
proposed penalties
$354
current assessed
$354
paid to date
$0
outstanding
3 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2018-09-25.
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.
33.3%
significant & substantial
0.0%
high negligence or reckless
33.3%
reasonably likely or greater
0.0%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 0.0% low, 100.0% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Ownership history
  1. General Crushed Stone Company 1950 to 1988
  2. General Crushed Stone Company 1988 to 2003
  3. Hanson Aggregates Pennsylvania Inc 2003 to 2017
  4. Richard E. Pierson Materials Corp. 2017 to 2025
  5. Heidelberg Materials Northeast LLC. 2025 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2018 13
Source: MSHA quarterly employment and production, updated weekly.

Rockhill Quarry sits in Bucks County, Pennsylvania, 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.
Bucks County, Pennsylvania · Population 645,993
0.1%
Mining share of county employment
$111,951
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
2018 Q4 4,628 0 0 0.0
2018 Q3 4,650 1 0 215.1
2018 Q2 3,163 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2018 · 1 incident

December 19, 2018 PA · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
Richard E. Pierson Materials Corp. · Struck against stationary object

Employee was removing a drive shaft from a pickup truck, when EE's hand slipped off and got caught in the universal joint and put a deep cut on EE's pinky finger.