Key Takeaway
Tri County Materials Inc. is a active surface mine producing SandAndGravel, located in Mesa, Graham County, AZ. It has 179 violations on record (41 S&S) and $77K in proposed penalties. Operated by Tri County Materials Inc.
Tri County Materials Inc.
Operator: Tri County Materials Inc
Controller: George Vlassis; Peter Vlassis; Steven Vlassis
Location: Mesa, Graham County, AZ
Employees: 8
Recent Violations
View all 179 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 03/04/2026 | 62.120 | Non-S&S | ModNegligence | $0 |
| 07/21/2025 | 50.30(a) | Non-S&S | NoNegligence | $151 |
| 01/07/2025 | 56.20003(a) | Non-S&S | ModNegligence | $151 |
| 01/07/2025 | 56.20003(a) | Non-S&S | ModNegligence | $151 |
| 01/07/2025 | 56.4201(a)(2) | Non-S&S | ModNegligence | $151 |
| 01/07/2025 | 56.14112(a)(1) | S&S | HighNegligence | $642 |
| 01/07/2025 | 50.30(a) | Non-S&S | HighNegligence | $151 |
| 08/14/2024 | 56.12032 | Non-S&S | LowNegligence | $147 |
| 08/14/2024 | 50.30(a) | Non-S&S | NoNegligence | $147 |
| 03/19/2024 | 56.14107(a) | Non-S&S | LowNegligence | $147 |
| 03/19/2024 | 56.16003 | Non-S&S | LowNegligence | $147 |
| 03/19/2024 | 56.14112(b) | Non-S&S | LowNegligence | $147 |
| 05/23/2023 | 56.11001 | S&S | HighNegligence | $1,006 |
| 05/23/2023 | 56.15005 | S&S | HighNegligence | $453 |
| 05/23/2023 | Non-S&S | $0 | ||
| 05/22/2023 | 56.14103(b) | Non-S&S | HighNegligence | $143 |
| 05/22/2023 | 56.4201(a)(1) | Non-S&S | ModNegligence | $143 |
| 02/21/2023 | 56.14112(a)(1) | Non-S&S | ModNegligence | $143 |
| 07/20/2022 | 56.12004 | Non-S&S | ModNegligence | $133 |
| 09/14/2021 | 56.14112(b) | S&S | ModNegligence | $159 |
Accidents & Injuries
View all 5 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 01/28/2022 | POWERED HAULAGE | DAYS RESTRICTED ACTIVITY ONLY | 349d restricted |
| 04/02/2019 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 13d lost |
| 02/28/2017 | POWERED HAULAGE | INJURIES INVOLVNG NONEMPLOYEES | None |
| 02/23/2017 | OTHER | DYS AWY FRM WRK & RESTRCTD ACT | 3d lost, 14d restricted |
| 07/09/2006 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 10d restricted |
Inspections
View all 79 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 03/04/2026 | 0.00 | 0 | |
| 07/21/2025 | 07/22/2025 | 7.50 | 1 |
| 01/07/2025 | 01/14/2025 | 23.50 | 1 |
| 10/07/2024 | 10/07/2024 | 5.00 | 1 |
| 10/07/2024 | 10/07/2024 | 4.00 | 1 |
| 08/13/2024 | 08/14/2024 | 10.25 | 1 |
| 03/18/2024 | 03/20/2024 | 11.25 | 1 |
| 09/21/2023 | 09/25/2023 | 15.00 | 1 |
| 05/22/2023 | 05/30/2023 | 19.00 | 1 |
| 02/21/2023 | 02/22/2023 | 5.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Tri County Materials Inc. have?
Tri County Materials Inc. has 179 MSHA violations on record, of which 41 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $77K.
What type of mine is Tri County Materials Inc.?
Tri County Materials Inc. is a Surface mine producing SandAndGravel, located in Mesa, Graham County, AZ. It currently has 8 employees.
Has anyone been injured or killed at Tri County Materials Inc.?
According to MSHA records, Tri County Materials Inc. has 5 reported accident/injury records and 0 fatalities on file.
Who operates Tri County Materials Inc.?
Tri County Materials Inc. is operated by Tri County Materials Inc and controlled by George Vlassis; Peter Vlassis; Steven Vlassis. MSHA Mine ID: 0200728.