Arcosa Boulder Plant #1604

Active Surface Nonmetal

Operator: ARCOSA LWB, LLC

Controller: Arcosa, Inc

Location: Boulder, Jefferson County, CO

Employees: 10

400
Violations
84
S&S Violations
38
Accidents
$313K
Penalties

Recent Violations

View all 400 →
Date Section S&S Negligence Penalty
10/30/2025 46.9(c)(4) Non-S&S LowNegligence $151
10/29/2025 56.14100(b) Non-S&S HighNegligence $2,133
10/28/2025 56.13011 Non-S&S LowNegligence $288
10/28/2025 56.4130(b) Non-S&S ModNegligence $642
10/28/2025 56.13011 Non-S&S LowNegligence $288
10/28/2025 56.14100(b) Non-S&S ModNegligence $1,431
10/27/2025 56.20003(a) Non-S&S ModNegligence $1,968
10/27/2025 56.12025 Non-S&S LowNegligence $642
10/27/2025 56.14107(a) Non-S&S ModNegligence $642
10/27/2025 56.20003(a) S&S ModNegligence $9,757
10/27/2025 56.11012 Non-S&S ModNegligence $1,431
10/27/2025 56.14110 Non-S&S ModNegligence $432
10/27/2025 56.14112(a)(1) Non-S&S ModNegligence $642
10/27/2025 56.12030 Non-S&S ModNegligence $1,431
10/27/2025 56.12030 Non-S&S ModNegligence $1,431
10/27/2025 56.12030 Non-S&S ModNegligence $1,431
10/27/2025 56.14107(a) Non-S&S ModNegligence $642
06/26/2025 56.20003(a) S&S ModNegligence $151
06/26/2025 46.3(b)(4) Non-S&S ModNegligence $151
06/24/2025 56.13021 Non-S&S ModNegligence $432

Accidents & Injuries

View all 38 →
Date Classification Injury Days Lost
02/16/2025 OTHER DYS AWY FRM WRK & RESTRCTD ACT 5d lost, 217d restricted
01/17/2025 HANDLING OF MATERIALS PERM TOT OR PERM PRTL DISABLTY 29d lost, 63d restricted
12/24/2024 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
02/07/2024 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 37d lost, 10d restricted
08/29/2023 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 28d restricted
08/23/2023 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 23d restricted
08/21/2023 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 100d restricted
06/15/2023 POWERED HAULAGE DAYS AWAY FROM WORK ONLY 15d lost
10/14/2022 POWERED HAULAGE PERM TOT OR PERM PRTL DISABLTY 5d lost, 74d restricted
08/27/2022 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 144d lost

Inspections

View all 82 →
Begin End Hours Inspectors
10/27/2025 11/06/2025 87.75 2
07/10/2025 07/10/2025 2.50 1
06/16/2025 06/27/2025 54.50 1
02/20/2025 02/20/2025 12.75 1
11/08/2024 11/08/2024 5.25 1
10/29/2024 11/05/2024 80.75 3
06/17/2024 06/17/2024 2.75 1
06/06/2024 06/07/2024 7.00 1
04/23/2024 04/23/2024 4.00 1
04/23/2024 05/01/2024 45.50 1

Mine Details

MSHA Mine ID0504415
Mine TypeSurface
StatusActive
CommodityNonmetal
SIC DescriptionCommon Shale
Employees10
Days/Week7.0
Hours/Shift12.0
Coordinates39.9088890, -105.2397220
Nearest TownBoulder

Frequently Asked Questions

How many MSHA violations does Arcosa Boulder Plant #1604 have?

Arcosa Boulder Plant #1604 has 400 MSHA violations on record, of which 84 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $313K.

What type of mine is Arcosa Boulder Plant #1604?

Arcosa Boulder Plant #1604 is a Surface mine producing Nonmetal, located in Boulder, Jefferson County, CO. It currently has 10 employees.

Has anyone been injured or killed at Arcosa Boulder Plant #1604?

According to MSHA records, Arcosa Boulder Plant #1604 has 38 reported accident/injury records and 0 fatalities on file.

Who operates Arcosa Boulder Plant #1604?

Arcosa Boulder Plant #1604 is operated by ARCOSA LWB, LLC and controlled by Arcosa, Inc. MSHA Mine ID: 0504415.