Key Takeaway

TRI COUNTY STONE is a active surface mine producing Stone, located in Union, Union County, TN. It has 14 violations on record (1 S&S) and $2K in proposed penalties. Operated by Tri County Investments LLC.

TRI COUNTY STONE

Active Surface Stone

Operator: Tri County Investments LLC

Controller: Dennis W Patterson; Dustin Patterson

Location: Union, Union County, TN

Employees: 6

14
Violations
1
S&S Violations
0
Accidents
$2K
Penalties

Recent Violations

View all 14 →
Date Section S&S Negligence Penalty
10/07/2025 56.14101(a)(3) Non-S&S LowNegligence $151
02/14/2025 56.14132(a) Non-S&S ModNegligence $151
07/26/2024 56.14132(a) Non-S&S ModNegligence $147
02/22/2024 56.14132(a) Non-S&S LowNegligence $147
02/22/2024 56.14107(a) Non-S&S ModNegligence $147
06/30/2023 56.14132(a) Non-S&S LowNegligence $143
03/08/2023 56.14100(b) Non-S&S ModNegligence $143
08/16/2022 56.14132(b)(1)(i) Non-S&S LowNegligence $133
08/16/2022 56.14101(a)(2) Non-S&S LowNegligence $133
11/16/2020 56.3200 S&S ModNegligence $361
11/16/2020 56.14132(a) Non-S&S LowNegligence $123
11/16/2020 56.3200 Non-S&S $0
04/09/2020 56.14100(b) Non-S&S ModNegligence $123
10/29/2019 56.12018 Non-S&S ModNegligence $121

Inspections

View all 28 →
Begin End Hours Inspectors
10/07/2025 10/17/2025 19.00 1
09/08/2025 09/15/2025 15.50 1
02/21/2025 02/21/2025 2.00 1
02/13/2025 02/18/2025 18.00 2
07/31/2024 07/31/2024 2.75 1
07/24/2024 07/26/2024 9.25 1
03/19/2024 03/19/2024 2.25 1
02/23/2024 02/23/2024 15.00 1
02/22/2024 03/07/2024 15.50 1
09/21/2023 09/21/2023 3.75 1

Mine Details

MSHA Mine ID4003070
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees6
Days/Week5.0
Hours/Shift8.0
Coordinates36.3536110, -83.8188890
Nearest TownUnion

Frequently Asked Questions

How many MSHA violations does TRI COUNTY STONE have?

TRI COUNTY STONE has 14 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 TRI COUNTY STONE?

TRI COUNTY STONE is a Surface mine producing Stone, located in Union, Union County, TN. It currently has 6 employees.

Has anyone been injured or killed at TRI COUNTY STONE?

According to MSHA records, TRI COUNTY STONE has 0 reported accident/injury records and 0 fatalities on file.

Who operates TRI COUNTY STONE?

TRI COUNTY STONE is operated by Tri County Investments LLC and controlled by Dennis W Patterson; Dustin Patterson. MSHA Mine ID: 4003070.