Key Takeaway
United Materials/Conc. Agg. Wash is a intermittent surface mine producing SandAndGravel, located in Great Falls, Cascade County, MT. It has 69 violations on record (12 S&S) and $8K in proposed penalties. Operated by United Materials of Great Falls Inc..
United Materials/Conc. Agg. Wash
Operator: United Materials of Great Falls Inc.
Controller: Lonnie Anderson
Location: Great Falls, Cascade County, MT
Employees: 10
Recent Violations
View all 69 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/14/2025 | 56.12028 | Non-S&S | ModNegligence | $151 |
| 10/14/2025 | 56.14101(a)(2) | Non-S&S | ModNegligence | $151 |
| 04/03/2025 | 56.12008 | Non-S&S | ModNegligence | $151 |
| 04/01/2025 | 56.12004 | Non-S&S | ModNegligence | $151 |
| 11/02/2023 | 56.14132(b)(2) | Non-S&S | ModNegligence | $143 |
| 11/02/2023 | 47.44(b) | Non-S&S | ModNegligence | $143 |
| 11/02/2023 | 56.12028 | Non-S&S | ModNegligence | $143 |
| 03/15/2022 | 56.4430(a)(3) | Non-S&S | ModNegligence | $133 |
| 03/15/2022 | 56.14100(b) | Non-S&S | ModNegligence | $133 |
| 08/30/2021 | 56.15001 | Non-S&S | ModNegligence | $125 |
| 07/16/2020 | 56.14112(a)(1) | Non-S&S | ModNegligence | $123 |
| 07/16/2020 | 56.14107(a) | Non-S&S | ModNegligence | $123 |
| 07/16/2020 | 56.12008 | Non-S&S | ModNegligence | $123 |
| 07/16/2020 | 56.12004 | Non-S&S | ModNegligence | $123 |
| 07/16/2020 | 56.11001 | S&S | ModNegligence | $123 |
| 07/16/2020 | 56.11001 | S&S | ModNegligence | $123 |
| 07/16/2020 | 56.14100(b) | Non-S&S | ModNegligence | $123 |
| 07/16/2020 | 50.30(a) | Non-S&S | ModNegligence | $123 |
| 10/08/2019 | 56.4200(b)(2) | Non-S&S | ModNegligence | $121 |
| 06/19/2018 | 56.9300(b) | S&S | ModNegligence | $118 |
Accidents & Injuries
View all 2 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 04/09/2014 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/26/2012 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 6d lost |
Inspections
View all 44 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/14/2025 | 10/15/2025 | 11.50 | 1 |
| 04/07/2025 | 04/07/2025 | 4.75 | 1 |
| 04/01/2025 | 04/03/2025 | 13.00 | 1 |
| 11/01/2023 | 11/03/2023 | 15.50 | 1 |
| 12/05/2022 | 12/06/2022 | 9.75 | 1 |
| 03/15/2022 | 03/15/2022 | 11.00 | 1 |
| 08/30/2021 | 08/31/2021 | 12.00 | 1 |
| 08/26/2020 | 08/26/2020 | 4.50 | 1 |
| 07/14/2020 | 07/17/2020 | 21.50 | 1 |
| 10/07/2019 | 10/09/2019 | 25.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does United Materials/Conc. Agg. Wash have?
United Materials/Conc. Agg. Wash has 69 MSHA violations on record, of which 12 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $8K.
What type of mine is United Materials/Conc. Agg. Wash?
United Materials/Conc. Agg. Wash is a Surface mine producing SandAndGravel, located in Great Falls, Cascade County, MT. It currently has 10 employees.
Has anyone been injured or killed at United Materials/Conc. Agg. Wash?
According to MSHA records, United Materials/Conc. Agg. Wash has 2 reported accident/injury records and 0 fatalities on file.
Who operates United Materials/Conc. Agg. Wash?
United Materials/Conc. Agg. Wash is operated by United Materials of Great Falls Inc. and controlled by Lonnie Anderson. MSHA Mine ID: 2402303.