Key Takeaway

Knife River Construction Vernalis Plant is a active surface mine producing SandAndGravel, located in TRACY, San Joaquin County, CA. It has 53 violations on record (7 S&S) and $119K in proposed penalties. Operated by Knife River Construction.

Knife River Construction Vernalis Plant

Active Surface SandAndGravel

Operator: Knife River Construction

Controller: Knife River Corporation

Location: TRACY, San Joaquin County, CA

Employees: 11

53
Violations
7
S&S Violations
5
Accidents
$119K
Penalties

Recent Violations

View all 53 →
Date Section S&S Negligence Penalty
06/11/2025 56.9300(b) S&S ModNegligence $818
09/11/2024 56.14107(a) Non-S&S LowNegligence $147
02/27/2024 50.10(b) Non-S&S ModNegligence $7,364
10/11/2017 56.11001 Non-S&S LowNegligence $118
10/11/2017 56.14107(a) Non-S&S ModNegligence $116
06/21/2017 56.14207 Non-S&S ModNegligence $116
12/14/2016 56.13021 Non-S&S ModNegligence $114
07/26/2016 56.14115(b) Non-S&S ModNegligence $114
10/07/2015 56.18002(b) Non-S&S ModNegligence $100
10/06/2015 56.11012 Non-S&S LowNegligence $100
01/27/2015 56.14107(a) Non-S&S LowNegligence $100
01/13/2015 56.14100(b) Non-S&S ModNegligence $425
01/08/2015 Non-S&S $0
01/08/2015 56.18002(a) S&S LowNegligence $52,500
01/08/2015 56.14105 S&S ModNegligence $52,500
07/01/2014 56.12032 Non-S&S LowNegligence $100
05/01/2013 Non-S&S $0
05/01/2013 56.14101(a)(1) Non-S&S ModNegligence $1,140
05/01/2013 56.14207 Non-S&S ModNegligence $100
04/06/2011 56.14107(a) Non-S&S ModNegligence $100

Accidents & Injuries

View all 5 →
Date Classification Injury Days Lost
09/01/2023 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 4d restricted
11/19/2020 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 5d restricted
01/08/2015 MACHINERY FATALITY Fatal
02/15/2007 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 53d restricted
06/28/2006 DISORDERS (REPEATED TRAUMA) OCCUPATNAL ILLNESS NOT DEG 1-6 None

Inspections

View all 73 →
Begin End Hours Inspectors
02/11/2026 02/12/2026 4.75 1
11/06/2025 11/07/2025 13.25 1
08/12/2025 08/12/2025 6.75 1
06/10/2025 06/11/2025 12.50 1
06/03/2025 06/03/2025 5.75 1
01/23/2025 01/23/2025 7.25 1
09/11/2024 09/11/2024 11.00 1
05/07/2024 05/07/2024 4.75 1
02/24/2024 02/28/2024 20.25 2
02/06/2024 02/06/2024 9.25 1

Mine Details

MSHA Mine ID0405459
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees11
Days/Week5.0
Hours/Shift8.0
Coordinates37.6172220, -121.3330560
Nearest TownTRACY

Frequently Asked Questions

How many MSHA violations does Knife River Construction Vernalis Plant have?

Knife River Construction Vernalis Plant has 53 MSHA violations on record, of which 7 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $119K.

What type of mine is Knife River Construction Vernalis Plant?

Knife River Construction Vernalis Plant is a Surface mine producing SandAndGravel, located in TRACY, San Joaquin County, CA. It currently has 11 employees.

Has anyone been injured or killed at Knife River Construction Vernalis Plant?

According to MSHA records, Knife River Construction Vernalis Plant has 5 reported accident/injury records and 1 fatalities on file.

Who operates Knife River Construction Vernalis Plant?

Knife River Construction Vernalis Plant is operated by Knife River Construction and controlled by Knife River Corporation. MSHA Mine ID: 0405459.