Key Takeaway
ESO is a active surface mine producing Stone, located in Jarrell, Williamson County, TX. It has 138 violations on record (34 S&S) and $32K in proposed penalties. Operated by Hill Stone Company Inc.
ESO
Operator: Hill Stone Company Inc
Controller: Miguel Olalde
Location: Jarrell, Williamson County, TX
Employees: 29
Recent Violations
View all 138 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 02/03/2026 | 56.12030 | Non-S&S | HighNegligence | $0 |
| 02/03/2026 | 56.23002(a) | Non-S&S | LowNegligence | $0 |
| 02/02/2026 | 56.14132(a) | Non-S&S | LowNegligence | $0 |
| 05/27/2025 | 47.41(a) | Non-S&S | LowNegligence | $151 |
| 05/27/2025 | 56.12008 | Non-S&S | ModNegligence | $151 |
| 11/05/2024 | 56.14107(a) | Non-S&S | ModNegligence | $147 |
| 11/05/2024 | 56.12004 | Non-S&S | ModNegligence | $147 |
| 09/09/2024 | 56.14107(a) | S&S | ModNegligence | $204 |
| 09/09/2024 | 56.12004 | Non-S&S | ModNegligence | $147 |
| 09/09/2024 | 56.12028 | Non-S&S | ModNegligence | $147 |
| 03/07/2024 | 56.18002(b) | Non-S&S | ModNegligence | $147 |
| 03/07/2024 | 56.4402 | Non-S&S | ModNegligence | $147 |
| 03/07/2024 | 56.18010 | Non-S&S | ModNegligence | $147 |
| 01/16/2024 | 50.30(a) | Non-S&S | ModNegligence | $147 |
| 11/15/2022 | 56.12032 | Non-S&S | ModNegligence | $133 |
| 11/15/2022 | 56.14100(d) | Non-S&S | ModNegligence | $133 |
| 11/15/2022 | 56.12008 | Non-S&S | ModNegligence | $133 |
| 11/15/2022 | 56.14100(c) | Non-S&S | ModNegligence | $133 |
| 11/15/2022 | 50.30(a) | Non-S&S | LowNegligence | $133 |
| 07/26/2022 | 56.20003(c) | S&S | ModNegligence | $133 |
Accidents & Injuries
View all 1 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 11/08/2014 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 72 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/12/2026 | 1.75 | 1 | |
| 02/02/2026 | 02/03/2026 | 13.75 | 1 |
| 05/27/2025 | 05/27/2025 | 9.75 | 1 |
| 11/05/2024 | 11/05/2024 | 9.75 | 1 |
| 09/23/2024 | 09/23/2024 | 5.50 | 1 |
| 09/08/2024 | 09/10/2024 | 22.00 | 1 |
| 03/07/2024 | 03/11/2024 | 22.00 | 1 |
| 06/21/2023 | 06/22/2023 | 12.00 | 1 |
| 11/14/2022 | 11/16/2022 | 16.75 | 1 |
| 07/25/2022 | 07/29/2022 | 14.75 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does ESO have?
ESO has 138 MSHA violations on record, of which 34 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $32K.
What type of mine is ESO?
ESO is a Surface mine producing Stone, located in Jarrell, Williamson County, TX. It currently has 29 employees.
Has anyone been injured or killed at ESO?
According to MSHA records, ESO has 1 reported accident/injury records and 0 fatalities on file.
Who operates ESO?
ESO is operated by Hill Stone Company Inc and controlled by Miguel Olalde. MSHA Mine ID: 4103979.