Data / Mines / OnCore Processing LLC
OnCore Processing LLC: 9 open mines, 174 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
OnCore Processing LLC (MSHA operator ID 0172813) operates 9 open mines with 184 employees in Texas, mostly construction sand and gravel. Since January 1, 2022 MSHA inspectors issued it 174 citations and orders with $68,812 in proposed penalties, and it reported 16 injury or illness cases. Data from MSHA, November 6, 2026.
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- MSHA operator ID
- 0172813
- Open mines
- 9
- Employees at open mines
- 184
- States
- Texas
- Parent company
- Atlas Energy Solutions Inc
- Citations and orders since January 1, 2022
- 174
- Significant and substantial
- 24 (13.8%)
- Closure orders
- 5
- High negligence or reckless
- 17
- Proposed penalties
- $68,812
- Amount paid so far
- $68,661
- Inspections
- 103
- Inspector hours on site
- 649
- Citations per inspection
- 1.69 (all mines 2.30)
- Accident reports
- 16
- Injury and illness cases
- 16
- Fatalities
- 0
- Latest MSHA record
- October 28, 2026
Open mines of OnCore Processing LLC
Ranked by citations since January 1, 2022.
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| OnCore 1 | OnCore Processing LLC | Howard County, TX | Construction sand and gravel | 24 | 51 |
| OnCore5 | OnCore Processing LLC | Howard County, TX | Construction sand and gravel | 20 | 23 |
| OnCore8 | OnCore Processing LLC | Howard County, TX | Sand, common | 20 | 13 |
| OnCore 4 | OnCore Processing LLC | Midland County, TX | Construction sand and gravel | 20 | 12 |
| OnCore6 | OnCore Processing LLC | Glasscock County, TX | Construction sand and gravel | 20 | 9 |
| OnCore7 | OnCore Processing LLC | Loving County, TX | Construction sand and gravel | 20 | 8 |
| OnCore3B | OnCore Processing LLC | Glasscock County, TX | Sand, common | 20 | 7 |
| OnCore 2B | OnCore Processing LLC | Dawson County, TX | Sand, industrial | 20 | 6 |
| OnCore 9 | OnCore Processing LLC | Loving County, TX | Sand, common | 20 | 4 |
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 | 42 | 7 | $15,987 | 4 |
| 2023 | 37 | 10 | $27,109 | 3 |
| 2024 | 37 | 3 | $9,833 | 3 |
| 2025 | 24 | 0 | $4,374 | 4 |
| 2026 | 34 | 4 | $11,509 | 2 |
Standards cited most at OnCore Processing LLC
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 56.14100 | Surface metal and nonmetal mines | 22 |
| 30 CFR 56.14107 | Surface metal and nonmetal mines | 12 |
| 30 CFR 56.20003 | Surface metal and nonmetal mines | 10 |
| 30 CFR 56.12004 | Surface metal and nonmetal mines | 7 |
| 30 CFR 56.14112 | Surface metal and nonmetal mines | 7 |
| 30 CFR 56.11012 | Surface metal and nonmetal mines | 5 |
| 30 CFR 56.9300 | Surface metal and nonmetal mines | 5 |
| 30 CFR 56.12032 | Surface metal and nonmetal mines | 5 |
| 30 CFR 56.12028 | Surface metal and nonmetal mines | 5 |
| 30 CFR 56.12008 | Surface metal and nonmetal mines | 4 |
| 30 CFR 56.11001 | Surface metal and nonmetal mines | 4 |
| 30 CFR 50.30-1 | Reporting of accidents, injuries and illnesses | 4 |
| 30 CFR 56.12018 | Surface metal and nonmetal mines | 4 |
| 30 CFR 56.14132 | Surface metal and nonmetal mines | 3 |
| 30 CFR 47.41 | Hazard communication | 3 |
Injury and illness cases at OnCore Processing LLC
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| Days away from work or restricted activity | 8 |
| No lost time, or an occupational illness | 8 |
What the accident reports at OnCore Processing LLC describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Slip or fall of person | 4 |
| Handling of materials | 4 |
| Machinery | 3 |
| Handtools (nonpowered) | 2 |
| Disorders (physical agents) | 2 |
| Other | 1 |
Equipment named in accident reports at OnCore Processing LLC
| Equipment | Reports |
|---|---|
| Hand tools (not powered) | 3 |
| Hand tools (powered) | 2 |
| Pump | 1 |
Commodities
| Main commodity | Open mines |
|---|---|
| Construction sand and gravel | 5 |
| Sand, common | 3 |
| Sand, industrial | 1 |
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.