Key Takeaway

Arcosa ADAMS CLAIM #1850 is a active surface mine producing Nonmetal, located in Moundhouse, Lyon County, NV. It has 518 violations on record (151 S&S) and $708K in proposed penalties. Operated by Arcosa Specialty Mtls.

Arcosa ADAMS CLAIM #1850

Active Surface Nonmetal

Operator: Arcosa Specialty Mtls

Controller: Arcosa, Inc

Location: Moundhouse, Lyon County, NV

Employees: 83

518
Violations
151
S&S Violations
25
Accidents
$708K
Penalties

Recent Violations

View all 518 →
Date Section S&S Negligence Penalty
02/19/2025 56.11001 S&S ModNegligence $288
03/26/2024 56.15001 Non-S&S ModNegligence $147
03/26/2024 56.14107(a) S&S ModNegligence $421
03/26/2024 56.14112(b) Non-S&S ModNegligence $147
03/26/2024 56.14112(b) Non-S&S ModNegligence $147
03/26/2024 56.14112(b) Non-S&S ModNegligence $147
03/26/2024 56.14107(a) Non-S&S ModNegligence $147
03/26/2024 56.14107(a) S&S ModNegligence $421
06/06/2023 56.14132(b)(1) Non-S&S ModNegligence $143
08/10/2022 56.20003(a) S&S ModNegligence $252
08/10/2022 56.9315 Non-S&S ModNegligence $133
03/25/2022 56.14101(a)(3) Non-S&S ModNegligence $133
03/25/2022 56.14100(b) Non-S&S ModNegligence $133
09/21/2021 56.20003(b) Non-S&S LowNegligence $125
09/21/2021 56.4104 Non-S&S LowNegligence $125
07/14/2020 47.41(a)(1) Non-S&S ModNegligence $171
03/24/2020 56.14101(a)(3) Non-S&S LowNegligence $217
03/24/2020 47.41(a) Non-S&S ModNegligence $144
03/24/2020 56.12004 Non-S&S ModNegligence $144
03/24/2020 56.14112(b) Non-S&S LowNegligence $217

Accidents & Injuries

View all 25 →
Date Classification Injury Days Lost
11/07/2019 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 4d lost, 137d restricted
10/15/2019 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
10/07/2019 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None
08/07/2019 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 10d restricted
06/13/2019 STRIKING OR BUMPING NO DYS AWY FRM WRK,NO RSTR ACT None
11/04/2016 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
12/21/2015 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 1d lost, 18d restricted
08/31/2015 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None
08/18/2015 POWERED HAULAGE ALL OTHER CASES (INCL 1ST AID) None
08/14/2015 DISORDERS (REPEATED TRAUMA) OCCUPATNAL ILLNESS NOT DEG 1-6 None

Inspections

View all 124 →
Begin End Hours Inspectors
09/09/2025 09/10/2025 8.25 1
05/07/2025 05/08/2025 0.00 0
02/19/2025 02/21/2025 7.50 1
06/21/2024 06/21/2024 10.00 1
05/21/2024 05/21/2024 2.50 1
03/25/2024 03/26/2024 34.25 2
06/06/2023 06/07/2023 14.00 1
03/27/2023 03/27/2023 10.00 1
11/08/2022 11/09/2022 16.00 1
08/10/2022 08/12/2022 17.50 1

Mine Details

MSHA Mine ID2600668
Mine TypeSurface
StatusActive
CommodityNonmetal
SIC DescriptionGypsum
Employees83
Days/Week7.0
Hours/Shift12.0
Coordinates39.2236110, -119.6805560
Nearest TownMoundhouse

Frequently Asked Questions

How many MSHA violations does Arcosa ADAMS CLAIM #1850 have?

Arcosa ADAMS CLAIM #1850 has 518 MSHA violations on record, of which 151 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $708K.

What type of mine is Arcosa ADAMS CLAIM #1850?

Arcosa ADAMS CLAIM #1850 is a Surface mine producing Nonmetal, located in Moundhouse, Lyon County, NV. It currently has 83 employees.

Has anyone been injured or killed at Arcosa ADAMS CLAIM #1850?

According to MSHA records, Arcosa ADAMS CLAIM #1850 has 25 reported accident/injury records and 0 fatalities on file.

Who operates Arcosa ADAMS CLAIM #1850?

Arcosa ADAMS CLAIM #1850 is operated by Arcosa Specialty Mtls and controlled by Arcosa, Inc. MSHA Mine ID: 2600668.