Key Takeaway

Norris Quarries Plant #81 is a active surface mine producing Stone, located in Mercer, Nodaway County, MO. It has 99 violations on record (16 S&S) and $21K in proposed penalties. Operated by Con-Agg Companies, LLC.

Norris Quarries Plant #81

Active Surface Stone

Operator: Con-Agg Companies, LLC

Controller: Summit Materials LLC

Location: Mercer, Nodaway County, MO

Employees: 12

99
Violations
16
S&S Violations
5
Accidents
$21K
Penalties

Recent Violations

View all 99 →
Date Section S&S Negligence Penalty
02/25/2026 56.4203 Non-S&S LowNegligence $0
02/25/2026 56.14132(a) Non-S&S ModNegligence $0
02/25/2026 56.14107(a) Non-S&S ModNegligence $0
02/25/2026 56.14107(a) Non-S&S ModNegligence $0
02/25/2026 56.4200(a)(2) Non-S&S ModNegligence $0
02/24/2026 56.1000 Non-S&S ModNegligence $0
06/24/2025 56.12013(b) S&S ModNegligence $959
06/24/2025 56.12004 Non-S&S ModNegligence $193
06/24/2025 56.12004 Non-S&S ModNegligence $193
03/11/2025 56.14132(a) Non-S&S LowNegligence $151
03/11/2025 56.14132(a) Non-S&S ModNegligence $151
07/10/2024 56.14100(c) Non-S&S LowNegligence $147
11/15/2023 56.14112(b) Non-S&S ModNegligence $143
11/15/2023 56.12008 Non-S&S LowNegligence $143
11/14/2023 56.14100(c) Non-S&S LowNegligence $143
06/06/2023 56.14107(a) Non-S&S LowNegligence $143
06/06/2023 56.4200(b)(2) Non-S&S LowNegligence $143
11/08/2022 47.44(b) Non-S&S ModNegligence $133
11/08/2022 56.14107(a) Non-S&S ModNegligence $133
11/08/2022 56.12028 Non-S&S ModNegligence $133

Accidents & Injuries

View all 5 →
Date Classification Injury Days Lost
04/14/2023 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 69d restricted
05/13/2020 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 21d restricted
02/26/2016 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None
07/24/2012 HANDTOOLS (NONPOWERED) DAYS RESTRICTED ACTIVITY ONLY 10d restricted
05/15/2009 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 11d lost, 45d restricted

Inspections

View all 49 →
Begin End Hours Inspectors
02/23/2026 02/25/2026 30.00 1
06/24/2025 06/26/2025 26.00 1
03/10/2025 03/11/2025 11.00 1
07/16/2024 07/16/2024 6.00 1
07/10/2024 07/10/2024 0.75 1
07/10/2024 07/10/2024 9.75 1
11/14/2023 11/15/2023 27.50 1
06/05/2023 06/06/2023 21.75 1
02/23/2023 02/23/2023 3.50 1
11/07/2022 11/08/2022 24.00 1

Mine Details

MSHA Mine ID2302296
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees12
Days/Week5.0
Hours/Shift10.0
Coordinates39.7533330, -94.2497220
Nearest TownMercer

Frequently Asked Questions

How many MSHA violations does Norris Quarries Plant #81 have?

Norris Quarries Plant #81 has 99 MSHA violations on record, of which 16 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $21K.

What type of mine is Norris Quarries Plant #81?

Norris Quarries Plant #81 is a Surface mine producing Stone, located in Mercer, Nodaway County, MO. It currently has 12 employees.

Has anyone been injured or killed at Norris Quarries Plant #81?

According to MSHA records, Norris Quarries Plant #81 has 5 reported accident/injury records and 0 fatalities on file.

Who operates Norris Quarries Plant #81?

Norris Quarries Plant #81 is operated by Con-Agg Companies, LLC and controlled by Summit Materials LLC. MSHA Mine ID: 2302296.