Key Takeaway

ADDCAR System 18 HWM Serial No 23018 is a active surface mine producing Coal, located in Rock Springs, WY, Sweetwater County, WY. It has 62 violations on record (4 S&S) and $14K in proposed penalties. Operated by Eagle Highwall Mining Systems, LLC.

ADDCAR System 18 HWM Serial No 23018

Active Surface Coal

Operator: Eagle Highwall Mining Systems, LLC

Controller: David Michael Jamison; Petri E Koivula

Location: Rock Springs, WY, Sweetwater County, WY

Employees: 15

62
Violations
4
S&S Violations
8
Accidents
$14K
Penalties

Recent Violations

View all 62 →
Date Section S&S Negligence Penalty
11/06/2025 77.404(a) Non-S&S ModNegligence $151
05/02/2025 77.507 Non-S&S ModNegligence $151
05/02/2025 77.904 Non-S&S ModNegligence $151
12/06/2024 77.1606(a) Non-S&S ModNegligence $151
12/06/2024 77.1103(a) Non-S&S ModNegligence $151
12/06/2024 77.404(a) Non-S&S ModNegligence $151
09/14/2022 77.404(a) Non-S&S ModNegligence $133
10/14/2014 77.1505 Non-S&S ModNegligence $100
08/05/2014 62.130(a) Non-S&S ModNegligence $117
07/31/2014 77.1104 Non-S&S ModNegligence $100
03/24/2014 77.202 Non-S&S ModNegligence $100
05/13/2013 77.1606(c) Non-S&S LowNegligence $100
06/16/2011 77.1606(c) Non-S&S ModNegligence $100
06/07/2011 71.403(d) Non-S&S ModNegligence $207
06/17/2009 77.405(b) Non-S&S ModNegligence $117
06/10/2009 77.400(a) Non-S&S LowNegligence $117
06/10/2009 77.1708 Non-S&S ModNegligence $117
06/09/2009 77.205(e) S&S ModNegligence $585
05/28/2009 77.400(d) Non-S&S ModNegligence $100
05/27/2009 77.1000 Non-S&S ModNegligence $100

Accidents & Injuries

View all 8 →
Date Classification Injury Days Lost
05/08/2025 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 9d restricted
07/01/2015 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
12/14/2014 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 1d lost
01/19/2014 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 36d lost
11/06/2010 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
09/01/2010 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 8d restricted
02/10/2008 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None
07/21/2005 EXPLODING VESSELS UNDER PRESSURE NO DYS AWY FRM WRK,NO RSTR ACT None

Inspections

View all 68 →
Begin End Hours Inspectors
11/05/2025 11/21/2025 12.00 1
08/26/2025 08/29/2025 22.25 1
05/01/2025 05/04/2025 15.75 1
01/13/2025 01/16/2025 20.50 1
12/06/2024 12/10/2024 21.25 2
01/04/2023 01/19/2023 6.50 1
08/22/2022 09/23/2022 53.75 2
08/09/2022 08/10/2022 5.25 1
07/27/2022 07/27/2022 2.75 1
11/17/2021 11/17/2021 4.00 1

Mine Details

MSHA Mine ID4801645
Mine TypeSurface
StatusActive
CommodityCoal
SIC DescriptionCoal (Bituminous)
Employees15
Days/Week7.0
Hours/Shift12.0
Coordinates40.4519440, -107.5922220
Nearest TownRock Springs, WY

Frequently Asked Questions

How many MSHA violations does ADDCAR System 18 HWM Serial No 23018 have?

ADDCAR System 18 HWM Serial No 23018 has 62 MSHA violations on record, of which 4 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $14K.

What type of mine is ADDCAR System 18 HWM Serial No 23018?

ADDCAR System 18 HWM Serial No 23018 is a Surface mine producing Coal, located in Rock Springs, WY, Sweetwater County, WY. It currently has 15 employees.

Has anyone been injured or killed at ADDCAR System 18 HWM Serial No 23018?

According to MSHA records, ADDCAR System 18 HWM Serial No 23018 has 8 reported accident/injury records and 0 fatalities on file.

Who operates ADDCAR System 18 HWM Serial No 23018?

ADDCAR System 18 HWM Serial No 23018 is operated by Eagle Highwall Mining Systems, LLC and controlled by David Michael Jamison; Petri E Koivula. MSHA Mine ID: 4801645.