Key Takeaway
ANTONIA (CS56) is a active surface mine producing Stone, located in Antonia, Jefferson County, MO. It has 55 violations on record (5 S&S) and $6K in proposed penalties. Operated by Central Stone Company.
ANTONIA (CS56)
Operator: Central Stone Company
Controller: Riverstone Group
Location: Antonia, Jefferson County, MO
Employees: 10
Recent Violations
View all 55 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 05/13/2025 | 56.14100(b) | Non-S&S | HighNegligence | $465 |
| 01/28/2025 | 56.14132(b)(2) | Non-S&S | ModNegligence | $151 |
| 04/10/2024 | 56.4501 | Non-S&S | ModNegligence | $147 |
| 11/01/2023 | 56.14131(b) | Non-S&S | ModNegligence | $143 |
| 11/01/2023 | 56.20003(a) | Non-S&S | ModNegligence | $143 |
| 11/01/2023 | 56.11001 | Non-S&S | ModNegligence | $143 |
| 07/31/2023 | 56.12028 | Non-S&S | ModNegligence | $143 |
| 03/21/2023 | 56.12004 | Non-S&S | ModNegligence | $143 |
| 03/21/2023 | 56.12028 | Non-S&S | ModNegligence | $143 |
| 10/26/2021 | 56.12032 | Non-S&S | LowNegligence | $125 |
| 10/06/2020 | 56.12004 | Non-S&S | LowNegligence | $123 |
| 05/20/2020 | 46.9(a) | Non-S&S | ModNegligence | $123 |
| 01/29/2020 | 56.12008 | Non-S&S | ModNegligence | $123 |
| 04/02/2019 | 56.12034 | Non-S&S | ModNegligence | $121 |
| 04/02/2019 | 56.14207 | Non-S&S | ModNegligence | $121 |
| 11/14/2018 | 47.44(b) | Non-S&S | ModNegligence | $118 |
| 09/04/2018 | 56.14132(a) | Non-S&S | ModNegligence | $118 |
| 02/27/2018 | 56.9300(a) | Non-S&S | LowNegligence | $118 |
| 02/27/2018 | 56.20003(a) | S&S | ModNegligence | $151 |
| 02/27/2018 | 47.44(b) | Non-S&S | ModNegligence | $118 |
Accidents & Injuries
View all 11 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 03/15/2023 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 01/24/2022 | HANDLING OF MATERIALS | ALL OTHER CASES (INCL 1ST AID) | None |
| 09/03/2020 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 04/11/2013 | STEPPING OR KNEELING ON OBJECT | DAYS AWAY FROM WORK ONLY | 60d lost |
| 08/17/2011 | POWERED HAULAGE | DAYS AWAY FROM WORK ONLY | 52d lost |
| 08/16/2010 | OTHER | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 03/19/2008 | MACHINERY | DAYS AWAY FROM WORK ONLY | 1d lost |
| 10/10/2005 | MACHINERY | DAYS AWAY FROM WORK ONLY | 173d lost |
| 12/27/2004 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 31d lost |
| 03/12/2004 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 66 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/02/2026 | 02/03/2026 | 10.50 | 1 |
| 05/12/2025 | 05/14/2025 | 25.75 | 1 |
| 01/27/2025 | 01/28/2025 | 7.50 | 1 |
| 05/22/2024 | 05/22/2024 | 1.50 | 1 |
| 04/10/2024 | 04/11/2024 | 23.00 | 1 |
| 11/07/2023 | 11/07/2023 | 3.50 | 1 |
| 10/31/2023 | 11/02/2023 | 16.75 | 1 |
| 07/31/2023 | 08/01/2023 | 21.50 | 1 |
| 03/21/2023 | 03/22/2023 | 12.75 | 1 |
| 09/13/2022 | 09/14/2022 | 8.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does ANTONIA (CS56) have?
ANTONIA (CS56) has 55 MSHA violations on record, of which 5 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $6K.
What type of mine is ANTONIA (CS56)?
ANTONIA (CS56) is a Surface mine producing Stone, located in Antonia, Jefferson County, MO. It currently has 10 employees.
Has anyone been injured or killed at ANTONIA (CS56)?
According to MSHA records, ANTONIA (CS56) has 11 reported accident/injury records and 0 fatalities on file.
Who operates ANTONIA (CS56)?
ANTONIA (CS56) is operated by Central Stone Company and controlled by Riverstone Group. MSHA Mine ID: 2301957.