Key Takeaway

Hartmann Pit is a active surface mine producing SandAndGravel, located in Fredonia, Ozaukee County, WI. It has 72 violations on record (10 S&S) and $7K in proposed penalties. Operated by Hartmann Sand & Gravel Company Inc.

Hartmann Pit

Active Surface SandAndGravel

Operator: Hartmann Sand & Gravel Company Inc

Controller: Richard Rathke

Location: Fredonia, Ozaukee County, WI

Employees: 5

72
Violations
10
S&S Violations
1
Accidents
$7K
Penalties

Recent Violations

View all 72 →
Date Section S&S Negligence Penalty
02/10/2026 56.9301 Non-S&S LowNegligence $0
02/10/2026 56.11016 S&S ModNegligence $0
02/10/2026 56.14207 Non-S&S ModNegligence $0
05/17/2023 56.14100(b) Non-S&S ModNegligence $143
10/19/2022 56.12004 Non-S&S LowNegligence $133
06/14/2022 56.14132(a) Non-S&S ModNegligence $133
06/14/2022 56.12004 Non-S&S LowNegligence $133
06/09/2020 56.14105 Non-S&S LowNegligence $123
06/09/2020 56.9300(a) Non-S&S ModNegligence $123
12/18/2019 56.14100(c) Non-S&S LowNegligence $123
06/18/2019 56.12032 Non-S&S LowNegligence $121
05/22/2018 56.12004 Non-S&S LowNegligence $118
05/22/2018 56.12004 Non-S&S ModNegligence $118
10/18/2017 56.14100(c) Non-S&S ModNegligence $116
02/02/2016 56.12004 Non-S&S ModNegligence $100
06/30/2015 56.14107(a) Non-S&S ModNegligence $100
06/30/2015 56.12004 Non-S&S ModNegligence $100
01/27/2015 56.4101 Non-S&S LowNegligence $100
04/16/2014 56.4203 Non-S&S LowNegligence $100
04/16/2014 56.12023 Non-S&S LowNegligence $100

Accidents & Injuries

View all 1 →
Date Classification Injury Days Lost
06/21/2008 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None

Inspections

View all 52 →
Begin End Hours Inspectors
02/09/2026 02/10/2026 0.00 0
07/21/2025 07/23/2025 9.00 1
11/04/2024 11/05/2024 15.75 1
06/24/2024 06/25/2024 14.00 1
01/31/2024 02/02/2024 16.50 1
05/17/2023 05/17/2023 9.25 1
10/17/2022 10/19/2022 13.00 1
06/14/2022 06/15/2022 11.75 1
01/11/2022 01/12/2022 7.75 1
08/24/2021 08/25/2021 16.00 1

Mine Details

MSHA Mine ID4700853
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees5
Days/Week5.0
Hours/Shift8.0
Coordinates43.5127770, -88.0205550
Nearest TownFredonia

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Frequently Asked Questions

How many MSHA violations does Hartmann Pit have?

Hartmann Pit has 72 MSHA violations on record, of which 10 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $7K.

What type of mine is Hartmann Pit?

Hartmann Pit is a Surface mine producing SandAndGravel, located in Fredonia, Ozaukee County, WI. It currently has 5 employees.

Has anyone been injured or killed at Hartmann Pit?

According to MSHA records, Hartmann Pit has 1 reported accident/injury records and 0 fatalities on file.

Who operates Hartmann Pit?

Hartmann Pit is operated by Hartmann Sand & Gravel Company Inc and controlled by Richard Rathke. MSHA Mine ID: 4700853.