Key Takeaway

Portable Unit #4 is a intermittent surface mine producing SandAndGravel, located in Canon City, Custer County, CO. It has 26 violations on record (2 S&S) and $4K in proposed penalties. Operated by Colorado Quarries Inc.

Portable Unit #4

Intermittent Surface SandAndGravel

Operator: Colorado Quarries Inc

Controller: Bill Tezak

Location: Canon City, Custer County, CO

Employees: 2

26
Violations
2
S&S Violations
0
Accidents
$4K
Penalties

Recent Violations

View all 26 →
Date Section S&S Negligence Penalty
10/23/2025 56.14132(a) Non-S&S ModNegligence $151
03/18/2025 56.14207 Non-S&S HighNegligence $151
03/18/2025 56.9300(a) Non-S&S ModNegligence $151
08/12/2024 56.1000 Non-S&S ModNegligence $147
03/13/2023 56.1000 Non-S&S ModNegligence $143
03/13/2023 50.30(a) Non-S&S ModNegligence $143
03/13/2023 56.14112(a)(1) Non-S&S ModNegligence $143
03/13/2023 56.14112(a)(1) Non-S&S ModNegligence $143
03/13/2023 56.11002 Non-S&S ModNegligence $143
04/05/2022 56.15005 S&S HighNegligence $349
04/05/2022 56.20003(a) Non-S&S HighNegligence $133
04/05/2022 56.12004 Non-S&S ModNegligence $133
04/05/2022 56.12002 Non-S&S HighNegligence $234
04/05/2022 56.14132(a) Non-S&S ModNegligence $133
04/05/2022 56.14107(a) Non-S&S HighNegligence $133
04/05/2022 56.11001 S&S HighNegligence $518
11/17/2021 56.11001 Non-S&S ModNegligence $125
04/08/2021 56.14112(a) Non-S&S ModNegligence $125
11/23/2020 56.14112(a)(1) Non-S&S ModNegligence $123
11/23/2020 56.4601 Non-S&S ModNegligence $123

Inspections

View all 10 →
Begin End Hours Inspectors
10/23/2025 10/24/2025 5.25 1
03/17/2025 03/19/2025 28.50 1
08/12/2024 08/12/2024 8.00 1
08/16/2023 08/17/2023 15.75 1
03/13/2023 03/14/2023 23.75 1
04/05/2022 04/07/2022 31.50 1
11/17/2021 11/17/2021 11.00 1
04/08/2021 04/12/2021 14.00 1
11/23/2020 11/24/2020 22.00 1
12/03/2019 12/10/2019 26.50 1

Mine Details

MSHA Mine ID0504384
Mine TypeSurface
StatusIntermittent
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees2
Days/Week5.0
Hours/Shift8.0
Coordinates38.1433330, -105.4430560
Nearest TownCanon City

Frequently Asked Questions

How many MSHA violations does Portable Unit #4 have?

Portable Unit #4 has 26 MSHA violations on record, of which 2 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $4K.

What type of mine is Portable Unit #4?

Portable Unit #4 is a Surface mine producing SandAndGravel, located in Canon City, Custer County, CO. It currently has 2 employees.

Has anyone been injured or killed at Portable Unit #4?

According to MSHA records, Portable Unit #4 has 0 reported accident/injury records and 0 fatalities on file.

Who operates Portable Unit #4?

Portable Unit #4 is operated by Colorado Quarries Inc and controlled by Bill Tezak. MSHA Mine ID: 0504384.