Key Takeaway

Portable #3 is a intermittent surface mine producing SandAndGravel, located in Carson City, Carson City County, NV. It has 2 violations on record (0 S&S) and $266 in proposed penalties. Operated by Centennial Aggregate Inc.

Portable #3

Intermittent Surface SandAndGravel

Operator: Centennial Aggregate Inc

Controller: Granite Construction Inc

Location: Carson City, Carson City County, NV

Employees: 5

2
Violations
0
S&S Violations
0
Accidents
$266
Penalties

Recent Violations

View all 2 →
Date Section S&S Negligence Penalty
04/16/2022 50.30(a) Non-S&S LowNegligence $143
01/15/2020 56.14100(b) Non-S&S ModNegligence $123

Inspections

View all 7 →
Begin End Hours Inspectors
08/25/2025 08/25/2025 8.75 1
03/11/2024 03/11/2024 7.50 2
04/13/2023 04/17/2023 2.00 1
03/27/2023 03/27/2023 2.50 1
09/08/2022 09/09/2022 8.00 1
04/26/2021 05/05/2021 2.00 1
01/15/2020 01/16/2020 5.50 1

Mine Details

MSHA Mine ID2602847
Mine TypeSurface
StatusIntermittent
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees5
Days/Week5.0
Hours/Shift8.0
Coordinates39.1900000, -119.7180560
Nearest TownCarson City

Frequently Asked Questions

How many MSHA violations does Portable #3 have?

Portable #3 has 2 MSHA violations on record, of which 0 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $266.

What type of mine is Portable #3?

Portable #3 is a Surface mine producing SandAndGravel, located in Carson City, Carson City County, NV. It currently has 5 employees.

Has anyone been injured or killed at Portable #3?

According to MSHA records, Portable #3 has 0 reported accident/injury records and 0 fatalities on file.

Who operates Portable #3?

Portable #3 is operated by Centennial Aggregate Inc and controlled by Granite Construction Inc. MSHA Mine ID: 2602847.