Key Takeaway

Grefco Mine & Mill is a active surface mine producing Nonmetal, located in Coaldale, Nye County, NV. It has 212 violations on record (55 S&S) and $48K in proposed penalties. Operated by Grefco Minerals LLC.

Grefco Mine & Mill

Active Surface Nonmetal

Operator: Grefco Minerals LLC

Controller: Dicalite Management Group LLC

Location: Coaldale, Nye County, NV

Employees: 15

212
Violations
55
S&S Violations
20
Accidents
$48K
Penalties

Recent Violations

View all 212 →
Date Section S&S Negligence Penalty
01/29/2026 48.11(d) Non-S&S ModNegligence $0
01/28/2026 56.12018 Non-S&S ModNegligence $0
01/28/2026 56.14100(b) S&S HighNegligence $0
01/28/2026 47.51(b) Non-S&S ModNegligence $0
04/15/2025 56.14107(a) Non-S&S ModNegligence $151
04/15/2025 56.14107(a) Non-S&S LowNegligence $151
10/03/2024 56.14100(b) Non-S&S ModNegligence $147
10/03/2024 47.41(a) Non-S&S ModNegligence $147
08/07/2024 56.14107(a) Non-S&S ModNegligence $147
08/07/2024 56.14107(a) Non-S&S ModNegligence $147
08/07/2024 47.41(a) Non-S&S ModNegligence $147
03/19/2024 56.12008 Non-S&S LowNegligence $147
03/19/2024 56.12008 Non-S&S LowNegligence $147
03/19/2024 56.14107(a) Non-S&S HighNegligence $147
06/27/2023 56.14112(b) Non-S&S ModNegligence $143
06/27/2023 56.4011 Non-S&S ModNegligence $143
06/27/2023 56.12019 Non-S&S ModNegligence $143
06/27/2023 56.18010 Non-S&S ModNegligence $143
11/15/2022 56.12028 Non-S&S LowNegligence $133
11/15/2022 56.12028 Non-S&S ModNegligence $133

Accidents & Injuries

View all 20 →
Date Classification Injury Days Lost
02/21/2019 OTHER DAYS AWAY FROM WORK ONLY 3d lost
07/06/2017 OTHER DAYS AWAY FROM WORK ONLY 2d lost
10/21/2008 DISORDERS (REPEATED TRAUMA) OCCUPATNAL ILLNESS NOT DEG 1-6 None
10/29/2007 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None
07/15/2004 MACHINERY DAYS AWAY FROM WORK ONLY 16d lost
11/08/2003 NO VALUE FOUND DAYS AWAY FROM WORK ONLY 67d lost
10/09/2003 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 28d lost
07/11/2003 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 1d lost
05/14/2003 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 1d lost
12/04/2002 DISORDERS (PHYSICAL AGENTS) OCCUPATNAL ILLNESS NOT DEG 1-6 None

Inspections

View all 67 →
Begin End Hours Inspectors
01/27/2026 01/29/2026 23.25 1
04/14/2025 04/16/2025 21.25 1
10/02/2024 10/03/2024 15.00 1
08/07/2024 08/07/2024 13.25 1
03/18/2024 03/19/2024 12.75 1
06/26/2023 06/27/2023 20.00 1
11/14/2022 11/18/2022 19.00 1
04/07/2022 04/11/2022 20.75 1
11/15/2021 11/29/2021 19.00 1
08/16/2021 08/19/2021 10.50 1

Mine Details

MSHA Mine ID2600125
Mine TypeSurface
StatusActive
CommodityNonmetal
SIC DescriptionDiatomaceous Earth (Diatomite)
Employees15
Days/Week4.0
Hours/Shift10.0
Coordinates37.9955560, -118.2122220
Nearest TownCoaldale

Frequently Asked Questions

How many MSHA violations does Grefco Mine & Mill have?

Grefco Mine & Mill has 212 MSHA violations on record, of which 55 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $48K.

What type of mine is Grefco Mine & Mill?

Grefco Mine & Mill is a Surface mine producing Nonmetal, located in Coaldale, Nye County, NV. It currently has 15 employees.

Has anyone been injured or killed at Grefco Mine & Mill?

According to MSHA records, Grefco Mine & Mill has 20 reported accident/injury records and 0 fatalities on file.

Who operates Grefco Mine & Mill?

Grefco Mine & Mill is operated by Grefco Minerals LLC and controlled by Dicalite Management Group LLC. MSHA Mine ID: 2600125.