Key Takeaway
Alpine Silica-Monahans is a active surface mine producing SandAndGravel, located in Monahans, Ector County, TX. It has 160 violations on record (34 S&S) and $42K in proposed penalties. Operated by Alpine Silica LLC.
Alpine Silica-Monahans
Operator: Alpine Silica LLC
Controller: Pro Frac Holding Corp
Location: Monahans, Ector County, TX
Employees: 130
Recent Violations
View all 160 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 03/03/2026 | 56.4130(b) | Non-S&S | ModNegligence | $0 |
| 03/03/2026 | 56.9301 | Non-S&S | ModNegligence | $0 |
| 03/03/2026 | 56.11001 | S&S | ModNegligence | $0 |
| 03/03/2026 | 56.12008 | Non-S&S | ModNegligence | $0 |
| 07/31/2025 | 56.14100(b) | Non-S&S | ModNegligence | $313 |
| 07/31/2025 | 56.14207 | S&S | ModNegligence | $226 |
| 07/31/2025 | 56.14132(a) | Non-S&S | LowNegligence | $151 |
| 07/31/2025 | 56.12032 | Non-S&S | LowNegligence | $313 |
| 07/30/2025 | 56.14100(b) | Non-S&S | ModNegligence | $313 |
| 02/20/2025 | 56.14107(a) | Non-S&S | ModNegligence | $151 |
| 02/19/2025 | 56.16006 | Non-S&S | LowNegligence | $151 |
| 11/27/2024 | 56.16010 | S&S | ModNegligence | $151 |
| 11/27/2024 | 56.11001 | S&S | ModNegligence | $465 |
| 06/11/2024 | 56.13011 | Non-S&S | ModNegligence | $151 |
| 06/11/2024 | 56.20003(a) | Non-S&S | ModNegligence | $151 |
| 06/11/2024 | 56.12004 | Non-S&S | ModNegligence | $151 |
| 06/11/2024 | 56.12004 | Non-S&S | ModNegligence | $151 |
| 06/10/2024 | 56.12032 | Non-S&S | ModNegligence | $151 |
| 06/10/2024 | 56.14112(a)(1) | Non-S&S | ModNegligence | $151 |
| 06/10/2024 | 56.20003(a) | Non-S&S | ModNegligence | $151 |
Accidents & Injuries
View all 22 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 07/29/2024 | DISORDERS (PHYSICAL AGENTS) | OCCUPATNAL ILLNESS NOT DEG 1-6 | 1d lost, 1d restricted |
| 02/29/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 08/05/2023 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 05/23/2022 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 1d lost, 11d restricted |
| 05/23/2022 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 04/06/2022 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 10/26/2021 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 11d restricted |
| 10/27/2019 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 53d restricted |
| 10/14/2019 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 12d restricted |
| 07/03/2019 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 5d restricted |
Inspections
View all 31 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 03/02/2026 | 0.00 | 0 | |
| 07/29/2025 | 08/01/2025 | 5.50 | 1 |
| 02/19/2025 | 02/23/2025 | 36.00 | 1 |
| 11/27/2024 | 03/06/2025 | 18.00 | 1 |
| 06/09/2024 | 06/12/2024 | 37.50 | 1 |
| 10/31/2023 | 11/09/2023 | 51.00 | 1 |
| 08/09/2023 | 08/14/2023 | 39.00 | 1 |
| 10/27/2022 | 10/31/2022 | 50.00 | 1 |
| 07/18/2022 | 07/29/2022 | 72.50 | 2 |
| 04/04/2022 | 04/11/2022 | 67.50 | 2 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does Alpine Silica-Monahans have?
Alpine Silica-Monahans has 160 MSHA violations on record, of which 34 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $42K.
What type of mine is Alpine Silica-Monahans?
Alpine Silica-Monahans is a Surface mine producing SandAndGravel, located in Monahans, Ector County, TX. It currently has 130 employees.
Has anyone been injured or killed at Alpine Silica-Monahans?
According to MSHA records, Alpine Silica-Monahans has 22 reported accident/injury records and 0 fatalities on file.
Who operates Alpine Silica-Monahans?
Alpine Silica-Monahans is operated by Alpine Silica LLC and controlled by Pro Frac Holding Corp. MSHA Mine ID: 4105320.