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
Operator: Con-Agg Companies, LLC
Controller: Summit Materials LLC
Location: Mercer, Nodaway County, MO
Employees: 12
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
Related Mines
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.