Key Takeaway

CR4 is a active surface mine producing SandAndGravel, located in Delta, Delta County, CO. It has 66 violations on record (9 S&S) and $9K in proposed penalties. Operated by Oldcastle SW Group Inc..

CR4

Active Surface SandAndGravel

Operator: Oldcastle SW Group Inc.

Controller: CRH PLC

Location: Delta, Delta County, CO

Employees: 2

66
Violations
9
S&S Violations
5
Accidents
$9K
Penalties

Recent Violations

View all 66 →
Date Section S&S Negligence Penalty
10/30/2025 56.14100(b) Non-S&S ModNegligence $151
12/16/2024 56.1000 Non-S&S ModNegligence $151
03/07/2024 56.12038 Non-S&S ModNegligence $147
05/26/2022 56.14100(b) Non-S&S ModNegligence $133
08/13/2020 56.9300(a) Non-S&S ModNegligence $123
04/01/2014 56.14107(a) Non-S&S ModNegligence $100
04/01/2014 56.14107(a) Non-S&S ModNegligence $100
04/10/2013 56.11012 Non-S&S ModNegligence $100
06/06/2012 56.4201(a)(2) Non-S&S ModNegligence $100
06/06/2012 56.18002(b) Non-S&S ModNegligence $100
10/23/2007 56.14101(a)(2) Non-S&S ModNegligence $117
10/18/2007 56.12004 Non-S&S ModNegligence $117
10/18/2007 56.14107(a) Non-S&S HighNegligence $392
10/18/2007 56.5001(a)/.5005 S&S ModNegligence $263
10/17/2007 56.14112(a)(1) S&S ModNegligence $263
10/17/2007 56.12004 Non-S&S ModNegligence $117
10/17/2007 56.12004 Non-S&S ModNegligence $117
10/17/2007 56.14112(b) Non-S&S ModNegligence $100
10/17/2007 56.11012 Non-S&S ModNegligence $100
10/17/2007 56.4200(b)(2) Non-S&S ModNegligence $100

Accidents & Injuries

View all 5 →
Date Classification Injury Days Lost
12/21/2022 HANDTOOLS (NONPOWERED) ALL OTHER CASES (INCL 1ST AID) None
10/07/2022 HANDTOOLS (NONPOWERED) DAYS RESTRICTED ACTIVITY ONLY 1d restricted
07/15/2009 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
09/07/2004 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
11/01/2001 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None

Inspections

View all 40 →
Begin End Hours Inspectors
10/30/2025 10/30/2025 6.75 1
06/12/2025 06/12/2025 14.25 1
04/08/2025 04/08/2025 7.75 1
12/16/2024 12/16/2024 5.25 1
09/25/2024 09/25/2024 5.50 1
05/22/2024 05/24/2024 3.25 1
03/07/2024 03/07/2024 6.75 1
05/09/2023 05/19/2023 13.00 1
05/17/2022 05/26/2022 8.25 1
03/16/2021 03/19/2021 20.00 1

Mine Details

MSHA Mine ID0504656
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees2
Days/Week5.0
Hours/Shift10.0
Coordinates38.9686110, -108.4738890
Nearest TownDelta

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Frequently Asked Questions

How many MSHA violations does CR4 have?

CR4 has 66 MSHA violations on record, of which 9 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $9K.

What type of mine is CR4?

CR4 is a Surface mine producing SandAndGravel, located in Delta, Delta County, CO. It currently has 2 employees.

Has anyone been injured or killed at CR4?

According to MSHA records, CR4 has 5 reported accident/injury records and 0 fatalities on file.

Who operates CR4?

CR4 is operated by Oldcastle SW Group Inc. and controlled by CRH PLC. MSHA Mine ID: 0504656.