Key Takeaway

Omya Arizona is a active surface mine producing Stone, located in Superior, Pinal County, AZ. It has 141 violations on record (23 S&S) and $65K in proposed penalties. Operated by Omya Inc.

Omya Arizona

Active Surface Stone

Operator: Omya Inc

Controller: Omya Industries Inc

Location: Superior, Pinal County, AZ

Employees: 28

141
Violations
23
S&S Violations
28
Accidents
$65K
Penalties

Recent Violations

View all 141 →
Date Section S&S Negligence Penalty
02/12/2026 56.14132(a) Non-S&S ModNegligence $0
02/12/2026 56.4201(a)(2) Non-S&S ModNegligence $0
02/12/2026 56.12028 Non-S&S ModNegligence $0
07/31/2025 56.14112(b) S&S ModNegligence $504
07/31/2025 56.12004 Non-S&S ModNegligence $151
07/31/2025 56.14205 S&S ModNegligence $504
07/08/2025 56.14100(c) Non-S&S ModNegligence $151
08/07/2024 56.20003(a) Non-S&S ModNegligence $147
10/25/2023 50.30(a) Non-S&S ModNegligence $143
10/25/2023 50.30(a) Non-S&S ModNegligence $143
10/25/2023 50.30(a) Non-S&S ModNegligence $143
10/25/2023 56.20003(a) Non-S&S ModNegligence $143
10/25/2023 56.14112(a) Non-S&S ModNegligence $143
10/25/2023 56.14103(a) Non-S&S ModNegligence $143
06/26/2023 56.11012 Non-S&S ModNegligence $155
06/26/2023 56.14132 Non-S&S ModNegligence $143
06/08/2022 56.14213(a) Non-S&S ModNegligence $133
03/22/2022 47.41(a) Non-S&S LowNegligence $133
09/02/2021 56.14101(a)(3) Non-S&S ModNegligence $125
12/01/2020 56.14130(h) Non-S&S ModNegligence $125

Accidents & Injuries

View all 28 →
Date Classification Injury Days Lost
01/28/2026 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 3d restricted
10/06/2023 ELECTRICAL DAYS RESTRICTED ACTIVITY ONLY 7d restricted
06/04/2021 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 4d restricted
07/01/2019 DISORDERS (PHYSICAL AGENTS) OCCUPATNAL ILLNESS NOT DEG 1-6 None
06/18/2019 OTHER DAYS AWAY FROM WORK ONLY 3d lost
09/14/2016 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 7d restricted
06/09/2014 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
12/11/2012 OTHER DAYS RESTRICTED ACTIVITY ONLY 9d restricted
06/05/2007 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 211d lost
12/20/2006 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 3d restricted

Inspections

View all 75 →
Begin End Hours Inspectors
02/20/2026 02/20/2026 4.00 1
02/11/2026 02/13/2026 11.25 1
07/31/2025 08/05/2025 14.00 1
07/08/2025 07/10/2025 13.00 1
01/28/2025 01/29/2025 8.25 1
12/17/2024 12/18/2024 8.50 1
08/07/2024 08/12/2024 12.50 1
12/01/2023 12/01/2023 2.00 1
11/06/2023 11/06/2023 2.75 1
10/25/2023 10/26/2023 18.25 1

Mine Details

MSHA Mine ID0202614
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Marble
Employees28
Days/Week7.0
Hours/Shift12.0
Coordinates33.2886110, -111.1202780
Nearest TownSuperior

Frequently Asked Questions

How many MSHA violations does Omya Arizona have?

Omya Arizona has 141 MSHA violations on record, of which 23 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $65K.

What type of mine is Omya Arizona?

Omya Arizona is a Surface mine producing Stone, located in Superior, Pinal County, AZ. It currently has 28 employees.

Has anyone been injured or killed at Omya Arizona?

According to MSHA records, Omya Arizona has 28 reported accident/injury records and 0 fatalities on file.

Who operates Omya Arizona?

Omya Arizona is operated by Omya Inc and controlled by Omya Industries Inc. MSHA Mine ID: 0202614.