Key Takeaway

Dredge Crystal City is a active surface mine producing SandAndGravel, located in Maryland Heights, St Louis County, MO. It has 17 violations on record (1 S&S) and $2K in proposed penalties. Operated by Gateway Dredging and Contracting.

Dredge Crystal City

Active Surface SandAndGravel

Operator: Gateway Dredging and Contracting

Controller: Limited Leasing Company; Kimaterials, Inc.

Location: Maryland Heights, St Louis County, MO

Employees: 4

17
Violations
1
S&S Violations
2
Accidents
$2K
Penalties

Recent Violations

View all 17 →
Date Section S&S Negligence Penalty
08/29/2025 56.14100(b) Non-S&S ModNegligence $151
04/23/2024 47.41(a) Non-S&S ModNegligence $147
09/04/2019 56.12028 Non-S&S LowNegligence $121
02/20/2019 56.12004 Non-S&S ModNegligence $121
06/05/2018 56.16005 Non-S&S ModNegligence $118
02/09/2017 47.41(a) Non-S&S ModNegligence $116
02/09/2017 56.12004 S&S ModNegligence $116
05/11/2016 56.14100(c) Non-S&S ModNegligence $100
03/17/2015 56.12028 Non-S&S ModNegligence $100
10/28/2013 56.15001 Non-S&S ModNegligence $100
02/05/2013 56.16005 Non-S&S ModNegligence $100
02/05/2013 62.130(a) Non-S&S LowNegligence $100
07/17/2012 56.20003(a) Non-S&S ModNegligence $100
07/17/2012 56.4104(b) Non-S&S ModNegligence $100
10/20/2010 56.11012 Non-S&S ModNegligence $100
07/12/2010 56.14132(a) Non-S&S LowNegligence $100
06/14/2007 56.14112(b) Non-S&S ModNegligence $100

Accidents & Injuries

View all 2 →
Date Classification Injury Days Lost
08/12/2010 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None
01/27/2006 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None

Inspections

View all 54 →
Begin End Hours Inspectors
03/03/2026 0.00 0
08/29/2025 08/29/2025 10.00 1
03/03/2025 03/03/2025 2.50 1
04/21/2024 04/23/2024 5.00 1
11/14/2023 11/15/2023 11.00 1
08/21/2023 08/22/2023 14.00 1
06/07/2023 06/08/2023 8.00 1
02/28/2023 03/01/2023 5.25 1
08/02/2022 08/02/2022 4.25 1
03/08/2022 03/08/2022 5.00 1

Mine Details

MSHA Mine ID2302271
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionSand, Common
Employees4
Days/Week5.0
Hours/Shift8.0
Coordinates38.6136110, -90.1886110
Nearest TownMaryland Heights

Frequently Asked Questions

How many MSHA violations does Dredge Crystal City have?

Dredge Crystal City has 17 MSHA violations on record, of which 1 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $2K.

What type of mine is Dredge Crystal City?

Dredge Crystal City is a Surface mine producing SandAndGravel, located in Maryland Heights, St Louis County, MO. It currently has 4 employees.

Has anyone been injured or killed at Dredge Crystal City?

According to MSHA records, Dredge Crystal City has 2 reported accident/injury records and 0 fatalities on file.

Who operates Dredge Crystal City?

Dredge Crystal City is operated by Gateway Dredging and Contracting and controlled by Limited Leasing Company; Kimaterials, Inc.. MSHA Mine ID: 2302271.