Data / Mines / California / TRP Amador Quarry
TRP Amador Quarry: 0 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
TRP Amador Quarry is an intermittent sand, common surface mine in Amador County, California, operated by Triangle Rock Products with 3 employees on MSHA's record (mine ID 0405981). Since January 1, 2022 MSHA inspectors issued 0 citations and orders there with $0 in proposed penalties, and 0 accident reports were filed there, with no injury or illness cases.
The request: Watch TRP Amador Quarry (MSHA mine ID 0405981) in Amador County, California: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 0405981
- Status
- Intermittent since February 11, 2025
- Main commodity
- Sand, common
- Mine type
- Surface
- County
- Amador County, California
- Nearest town
- Ione
- Operator
- Triangle Rock Products
- Parent company
- Vulcan Materials Company
- Employees
- 3
- MSHA field office
- Vacaville CA Field Office
- Citations and orders since January 1, 2022
- 0
- Inspections
- 2
- Inspector hours on site
- 7
- Citations per inspection
- 0.00 (all mines 2.30)
- Accident reports
- 0
- Injury and illness cases
- 0
- Fatalities
- 0
- Latest MSHA record
- October 23, 2025
- Citations issued to contractors here
- 2 ($302 proposed)
Other open mines in Amador County, California
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Usmc Ione Plant | US Mine Corp | Amador County, CA | Construction sand and gravel | 50 | 262 |
| Specialty Granules (Ione) LLC | Isp Granule Products Inc. | Amador County, CA | Construction sand and gravel | 74 | 49 |
| Lincoln Mine Project | Seduli Sutter Operations Corporation | Amador County, CA | Gold ore | 3 | 18 |
| Plymouth Sand & Gravel | Plymouth Sand & Gravel | Amador County, CA | Construction sand and gravel | 6 | 14 |
| Jackson Valley Quarry | George Reed Inc | Amador County, CA | Crushed, broken stone | 15 | 13 |
| Portable #1 Big Plant | Custom Crushing Industries, Inc | Amador County, CA | Construction sand and gravel | 3 | 10 |
| China Hill (Volcano) Quarry | Folsom Ready-Mix, Inc. | Amador County, CA | Crushed, broken stone | 3 | 6 |
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.