Key Takeaway
OnCore3B is a active surface mine producing SandAndGravel, located in Garden City, Glasscock County, TX. It has 8 violations on record (1 S&S) and $1K in proposed penalties. Operated by OnCore Processing LLC.
OnCore3B
Operator: OnCore Processing LLC
Controller: Atlas Energy Solutions Inc
Location: Garden City, Glasscock County, TX
Employees: 20
Recent Violations
View all 8 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 03/03/2026 | 56.9314 | Non-S&S | ModNegligence | $0 |
| 07/27/2025 | 56.12028 | Non-S&S | ModNegligence | $151 |
| 07/27/2025 | 56.12006 | Non-S&S | ModNegligence | $151 |
| 07/26/2025 | 56.14107(a) | Non-S&S | ModNegligence | $151 |
| 07/26/2025 | 56.12028 | Non-S&S | LowNegligence | $151 |
| 03/18/2025 | 56.12008 | Non-S&S | ModNegligence | $151 |
| 08/21/2024 | 56.14206(b) | Non-S&S | ModNegligence | $147 |
| 08/21/2024 | 56.12016 | S&S | ModNegligence | $260 |
Accidents & Injuries
View all 1 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 05/04/2024 | MACHINERY | DAYS RESTRICTED ACTIVITY ONLY | 61d restricted |
Inspections
View all 4 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 03/02/2026 | 0.00 | 0 | |
| 07/26/2025 | 07/29/2025 | 21.00 | 1 |
| 03/18/2025 | 03/19/2025 | 12.50 | 1 |
| 08/21/2024 | 08/22/2024 | 11.25 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does OnCore3B have?
OnCore3B has 8 MSHA violations on record, of which 1 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $1K.
What type of mine is OnCore3B?
OnCore3B is a Surface mine producing SandAndGravel, located in Garden City, Glasscock County, TX. It currently has 20 employees.
Has anyone been injured or killed at OnCore3B?
According to MSHA records, OnCore3B has 1 reported accident/injury records and 0 fatalities on file.
Who operates OnCore3B?
OnCore3B is operated by OnCore Processing LLC and controlled by Atlas Energy Solutions Inc. MSHA Mine ID: 4105751.