MISSION/SAN XAVIER/EISENHOWER
Active
Surface
Metal
Operator: ASARCO LLC, a Delaware Limited Liability Company
Controller: Grupo Mexico S A B de C V
Location: Tucson, Pima County, AZ
Employees: 447
1,688
Violations
436
S&S Violations
440
Accidents
$1.5M
Penalties
Recent Violations
View all 1,688 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/24/2026 | 56.11001 | S&S | ModNegligence | $0 |
| 01/24/2026 | 56.4201(a)(1) | Non-S&S | ModNegligence | $151 |
| 01/24/2026 | 56.14100(a) | S&S | ModNegligence | $151 |
| 01/24/2026 | 56.4201(b) | Non-S&S | ModNegligence | $0 |
| 01/24/2026 | 56.12008 | Non-S&S | LowNegligence | $0 |
| 01/24/2026 | 56.12008 | Non-S&S | LowNegligence | $0 |
| 01/24/2026 | 56.12008 | Non-S&S | ModNegligence | $0 |
| 01/24/2026 | 56.12008 | Non-S&S | ModNegligence | $0 |
| 01/24/2026 | 56.18002(a) | Non-S&S | ModNegligence | $0 |
| 01/24/2026 | 56.12005 | Non-S&S | LowNegligence | $0 |
| 01/24/2026 | 56.16003 | Non-S&S | LowNegligence | $0 |
| 01/24/2026 | 56.14107(a) | S&S | LowNegligence | $0 |
| 01/24/2026 | 56.12018 | Non-S&S | ModNegligence | $0 |
| 01/23/2026 | 56.16003 | Non-S&S | LowNegligence | $0 |
| 01/23/2026 | 56.11001 | Non-S&S | HighNegligence | $0 |
| 01/23/2026 | 56.18002(a) | Non-S&S | HighNegligence | $0 |
| 01/23/2026 | 56.12020 | Non-S&S | ModNegligence | $0 |
| 01/23/2026 | 56.11001 | S&S | ModNegligence | $0 |
| 01/23/2026 | 56.12018 | S&S | ModNegligence | $0 |
| 01/23/2026 | 56.4104(a) | Non-S&S | ModNegligence | $0 |
Accidents & Injuries
View all 440 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 11/04/2025 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 2d restricted |
| 10/17/2025 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 09/22/2025 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 9d restricted |
| 08/21/2025 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 122d lost |
| 05/14/2025 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 52d lost |
| 05/08/2025 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 02/14/2025 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 1d restricted |
| 02/13/2025 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 12/31/2024 | POWERED HAULAGE | DYS AWY FRM WRK & RESTRCTD ACT | 20d lost, 30d restricted |
| 11/09/2024 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 42d lost, 4d restricted |
Inspections
View all 295 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 03/05/2026 | 0.00 | 0 | |
| 03/05/2026 | 0.00 | 0 | |
| 01/20/2026 | 02/02/2026 | 200.50 | 3 |
| 12/29/2025 | 12/30/2025 | 8.50 | 1 |
| 11/25/2025 | 11/26/2025 | 1.75 | 1 |
| 11/24/2025 | 11/26/2025 | 18.75 | 1 |
| 11/18/2025 | 11/24/2025 | 10.50 | 1 |
| 08/18/2025 | 08/26/2025 | 22.00 | 1 |
| 08/15/2025 | 08/19/2025 | 4.00 | 1 |
| 04/10/2025 | 04/11/2025 | 11.00 | 1 |
Mine Details
MSHA Mine ID0200135
Mine TypeSurface
StatusActive
CommodityMetal
SIC DescriptionCopper Ore NEC
Employees447
Days/Week7.0
Hours/Shift12.0
Coordinates31.9983330, -111.0525000
Nearest TownTucson
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Frequently Asked Questions
How many MSHA violations does MISSION/SAN XAVIER/EISENHOWER have?
MISSION/SAN XAVIER/EISENHOWER has 1688 MSHA violations on record, of which 436 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $1.5M.
What type of mine is MISSION/SAN XAVIER/EISENHOWER?
MISSION/SAN XAVIER/EISENHOWER is a Surface mine producing Metal, located in Tucson, Pima County, AZ. It currently has 447 employees.
Has anyone been injured or killed at MISSION/SAN XAVIER/EISENHOWER?
According to MSHA records, MISSION/SAN XAVIER/EISENHOWER has 440 reported accident/injury records and 1 fatalities on file.
Who operates MISSION/SAN XAVIER/EISENHOWER?
MISSION/SAN XAVIER/EISENHOWER is operated by ASARCO LLC, a Delaware Limited Liability Company and controlled by Grupo Mexico S A B de C V. MSHA Mine ID: 0200135.