Data / Mines / Missouri / Gravois Plant
Gravois Plant, St Louis County, Missouri: 2 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Gravois Plant is an intermittent sand, common surface mine in St Louis County, Missouri, operated by Winter Brothers Material Company with 3 employees on MSHA's record (mine ID 2302531). Since January 1, 2022 MSHA inspectors issued 2 citations and orders there with $290 in proposed penalties, and 0 accident reports were filed there, with no injury or illness cases.
The request: Watch Gravois Plant (MSHA mine ID 2302531) in St Louis County, Missouri: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 2302531
- Status
- Intermittent since June 29, 2020
- Main commodity
- Sand, common
- Mine type
- Surface
- County
- St Louis County, Missouri
- Nearest town
- Fenton
- Operator
- Winter Brothers Material Company
- Employees
- 3
- MSHA field office
- Litchfield IL Field Office
- Citations and orders since January 1, 2022
- 2
- Significant and substantial
- 0 (0.0%)
- Closure orders
- 0
- High negligence or reckless
- 0
- Proposed penalties
- $290
- Amount paid so far
- $290
- Inspections
- 5
- Inspector hours on site
- 11
- Citations per inspection
- 0.40 (all mines 2.30)
- Accident reports
- 0
- Injury and illness cases
- 0
- Fatalities
- 0
- Latest MSHA record
- February 25, 2026
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 |
|---|---|---|---|---|
| 2023 | 1 | 0 | $143 | 0 |
| 2024 | 1 | 0 | $147 | 0 |
Standards cited most at Gravois Plant
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 50.30 | Reporting of accidents, injuries and illnesses | 2 |
Other open mines in St Louis County, Missouri
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Pacific Plant | U.S. Silica Company, LLC | St Louis County, MO | Quartz, ground | 41 | 109 |
| Fort Bellefontaine (CS31) | Central Stone Company | St Louis County, MO | Crushed, broken limestone | 35 | 34 |
| Hageman Plant | Winter Brothers Material Company | St Louis County, MO | Construction sand and gravel | 21 | 31 |
| Jefferson Barracks (CS-71) | Central Stone Company | St Louis County, MO | Crushed, broken limestone | 44 | 29 |
| Champ Quarry | Martin Marietta Materials, Inc. | St Louis County, MO | Crushed, broken limestone | 50 | 21 |
| Amrize Bridgeton Sand and Gravel | Amrize South Central Inc. | St Louis County, MO | Construction sand and gravel | 7 | 15 |
| Dredge St Charles | Gateway Dredging and Contracting | St Louis County, MO | Sand, common | 4 | 8 |
| Dredge Chesterfield | Gateway Dredging and Contracting | St Louis County, MO | Sand, common | 4 | 3 |
| Dredge Gateway | Gateway Dredging and Contracting | St Louis County, MO | Construction sand and gravel | 4 | 3 |
| Shead | Winter Brothers Material Company | St Louis County, MO | Construction sand and gravel | 9 | 2 |
| Dredge Crystal City | Gateway Dredging and Contracting | St Louis County, MO | Sand, common | 4 | 2 |
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.