Data / Mines / New Jersey / Riverdale Quarry
Riverdale Quarry: 5 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Riverdale Quarry is an active crushed, broken granite surface mine in Morris County, New Jersey, operated by Riverdale Quarry LLC with 12 employees on MSHA's record (mine ID 2800001). Since January 1, 2022 MSHA inspectors issued 5 citations and orders there with $703 in proposed penalties, and 2 accident reports were filed there, with 2 injury or illness cases.
The request: Watch Riverdale Quarry (MSHA mine ID 2800001) in Morris County, New Jersey: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 2800001
- Status
- Active since October 29, 2026
- Main commodity
- Crushed, broken granite
- Mine type
- Surface
- County
- Morris County, New Jersey
- Nearest town
- Riverdale
- Operator
- Riverdale Quarry LLC
- Employees
- 12
- MSHA field office
- Kutztown PA Field Office
- Citations and orders since January 1, 2022
- 5
- Significant and substantial
- 0 (0.0%)
- Closure orders
- 0
- High negligence or reckless
- 1
- Proposed penalties
- $703
- Amount paid so far
- $703
- Inspections
- 8
- Inspector hours on site
- 89
- Citations per inspection
- 0.62 (all mines 2.30)
- Accident reports
- 2
- Injury and illness cases
- 2
- Fatalities
- 0
- Latest MSHA record
- February 13, 2026
- Citations issued to contractors here
- 6 ($872 proposed)
Citations and injury cases by year
Calendar years since 2022; 2026 runs to the date of the MSHA files.
| Year | Citations and orders | Significant and substantial | Proposed penalties | Injury and illness cases |
|---|---|---|---|---|
| 2022 | 3 | 0 | $409 | 1 |
| 2023 | 1 | 0 | $143 | 0 |
| 2025 | 0 | 0 | $0 | 1 |
| 2026 | 1 | 0 | $151 | 0 |
Standards cited most at Riverdale Quarry
Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.
| Standard | What the part covers | Citations |
|---|---|---|
| 30 CFR 56.18002 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.4101 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.4201 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.13015 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.11001 | Surface metal and nonmetal mines | 1 |
Injury and illness cases at Riverdale Quarry
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| Days away from work or restricted activity | 2 |
What the accident reports at Riverdale Quarry describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Slip or fall of person | 2 |
Other open mines in Morris County, New Jersey
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Mount Hope Quarry | Tilcon New York Inc | Morris County, NJ | Crushed, broken granite | 70 | 47 |
| Kenvil Pit and Mill | County Concrete Corp | Morris County, NJ | Construction sand and gravel | 28 | 37 |
| Saxton Falls Sand & Gravel | Saxton Falls Sand & Gravel Co. | Morris County, NJ | Construction sand and gravel | 8 | 25 |
US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.