Calvert Mine

Active Surface Nonmetal

Operator: Calvert USA, LLC

Controller: Gavin Eales

Location: Norton, Norton County, KS

Employees: 4

146
Violations
35
S&S Violations
2
Accidents
$100K
Penalties

Recent Violations

View all 146 →
Date Section S&S Negligence Penalty
06/03/2025 56.14107(a) Non-S&S ModNegligence $151
06/03/2025 56.18009 Non-S&S HighNegligence $245
06/03/2025 56.16006 Non-S&S HighNegligence $245
06/03/2025 56.14107(a) S&S LowNegligence $151
06/03/2025 56.14206(b) Non-S&S ModNegligence $151
06/03/2025 56.12028 Non-S&S ModNegligence $151
06/03/2025 56.14101(a)(2) Non-S&S HighNegligence $245
06/03/2025 56.12004 Non-S&S ModNegligence $151
06/03/2025 56.23002(a) Non-S&S ModNegligence $151
03/05/2025 56.14100(b) Non-S&S ModNegligence $151
03/05/2025 56.14101(a)(2) Non-S&S ModNegligence $151
03/05/2025 56.11001 Non-S&S ModNegligence $151
03/05/2025 56.14205 Non-S&S ModNegligence $151
03/05/2025 56.15001 Non-S&S ModNegligence $151
09/04/2024 56.12025 Non-S&S ModNegligence $147
09/04/2024 56.12002 Non-S&S ModNegligence $147
11/21/2023 56.20003(a) S&S HighNegligence $2,772
11/21/2023 56.14107(a) Non-S&S ModNegligence $252
11/21/2023 56.14107(a) Non-S&S ModNegligence $252
11/21/2023 56.12004 Non-S&S ModNegligence $558

Accidents & Injuries

View all 2 →
Date Classification Injury Days Lost
11/15/2023 POWERED HAULAGE NO DYS AWY FRM WRK,NO RSTR ACT None
08/27/2018 MACHINERY DAYS AWAY FROM WORK ONLY 30d lost

Inspections

View all 69 →
Begin End Hours Inspectors
10/29/2025 11/18/2025 18.00 1
06/23/2025 06/23/2025 10.00 1
06/02/2025 06/13/2025 26.25 1
03/05/2025 03/14/2025 18.50 1
09/03/2024 09/04/2024 15.25 1
11/27/2023 11/29/2023 26.25 1
11/15/2023 11/21/2023 52.75 1
06/13/2023 06/13/2023 6.00 1
05/17/2023 05/17/2023 2.00 1
01/03/2023 01/03/2023 4.50 1

Mine Details

MSHA Mine ID1401592
Mine TypeSurface
StatusActive
CommodityNonmetal
SIC DescriptionPumice
Employees4
Days/Week5.0
Hours/Shift10.0
Coordinates39.0119440, -98.4841670
Nearest TownNorton

Frequently Asked Questions

How many MSHA violations does Calvert Mine have?

Calvert Mine has 146 MSHA violations on record, of which 35 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $100K.

What type of mine is Calvert Mine?

Calvert Mine is a Surface mine producing Nonmetal, located in Norton, Norton County, KS. It currently has 4 employees.

Has anyone been injured or killed at Calvert Mine?

According to MSHA records, Calvert Mine has 2 reported accident/injury records and 0 fatalities on file.

Who operates Calvert Mine?

Calvert Mine is operated by Calvert USA, LLC and controlled by Gavin Eales. MSHA Mine ID: 1401592.